| Class 516 | COLLOID SYSTEMS AND WETTING AGENTS; SUBCOMBINATIONS THEREOF; PROCESSES OF |
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| This Class 516 is considered to be an integral part of Class 252 (see the Class 252 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 252. | ||
![[List of Pre Grant Publications for class 516 subclass 1]](../as.gif) | ![[List of Patents for class 516 subclass 1]](../ps.gif) | 1 | CONTINUOUS GAS OR VAPOR PHASE: COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., SMOKE, FOG, AEROSOL, CLOUD, MIST) |
| | 2 |  Discontinuous phase formed by combustion or oxidation/reduction reaction (e.g., smudge-pot smoke) |
| | 4 | Discontinuous phase formed by hydrolysis step (e.g., metal oxide from metal chloride/water reaction) |
| | 5 | Steam present |
| | 6 | Discontinuous phase primarily liquid (e.g., mist, fog) |
| | 9 | CONTINUOUS LIQUID OR SUPERCRITICAL PHASE: COLLOID SYSTEMS; COMPOSITIONS AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., MICELLE; THICKENING AGENT; PROTECTIVE COLLOID AGENT; COMPOSITION CONTAINING AN EMULSIFYING AGENT WITH NO DISPERSANT DISCLOSED; ORGANIC LIQUID EMULSIFIED IN ANHYDROUS HF) |
| | 10 | Having discontinuous gas or vapor phase, e.g., foam: |
| | 11 |  With particulate solid |
| | 12 | The agent contains organic compound containing halogen |
| | 13 | The agent contains organic compound containing phosphorus or silicon |
| | 14 | The agent contains organic compound containing sulfoxy* |
| | 15 | The agent contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 17 |  The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 18 | The agent contains organic compound containing oxygen |
| | 20 | Primarily organic continuous liquid phase (e.g., organic liquid emulsified in an organic liquid) |
| | 21 | Discontinuous phase primarily inorganic liquid (e.g., water-in-oil emulsion, w/o) |
| | 22 | Three or more phases (e.g., w/o emulsion also containing solid particle suspension) |
| | 23 | The agent contains organic compound containing silicon |
| | 24 | The agent contains organic compound containing phosphorus (e.g., lecithin) |
| | 25 | The agent contains organic compound containing sulfoxy* |
| | 27 | The agent contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 28 | The agent contains organic compound containing oxygen |
| | 31 | Discontinuous phase material primarily solid or semisolid (e.g., colloid- sized dispersion of gel particles, or paraffin wax, or polytetrafluoroethylene) |
| | 32 | The material primarily contains elemental carbon (e.g., graphite, diamond) |
| | 33 | The material primarily contains inorganic material (e.g., chrome yellow, sodium nitrite) |
| | 35 |  The inorganic material primarily contains elemental alkali metal or primarily contains an alloy which primarily contains elemental alkali metal (e.g., sodium) |
| | 36 | The inorganic material primarily contains antimony oxide |
| | 37 | The inorganic material primarily contains elemental sulfur |
| | 38 | Aqueous continuous liquid phase and discontinuous phase primarily coal or elemental carbon or bituminous (e.g., asphalt, pitch, tar, montan wax, paraffin wax) |
| | 39 | The agent is formed in situ from native precursor by adding inorganic alkaline material (e.g., NaOH or TSP added to in situ acid) |
| | 40 | The agent contains organic compound containing phosphorus |
| | 41 | The agent contains organic compound containing sulfoxy* |
| | 43 | The agent contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 45 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 46 | The agent contains organic compound containing oxygen |
| | 47 | The compound contains -C(=O)OH or salt thereof (e.g., soap, rosin, fatty acid) |
| | 50 | With added solid non-bituminous particulate |
| | 51 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 52 | The agent contains specified solid non-bituminous particulate (e.g., clay) |
| | 53 | Aqueous continuous liquid phase and discontinuous phase primarily organic liquid (e.g., organosilicon* oil- or mineral-oil*-in-water, o/w emulsion) |
| | 54 | Three or more liquid phases (e.g., water-in-oil-in-water, w/o/w emulsion) |
| | 55 | The agent contains organic compound containing silicon |
| | 56 | The agent contains organic compound containing phosphorus (e.g., lecithin) |
| | 58 | The agent contains organic compound containing sulfoxy* (e.g., sodium lauryl sulfate) |
| | 59 | The compound contains nitrogen, except if present solely as NH4+ (e.g., isopropylammonium dodecylbenzene sulfonate) |
| | 60 | The nitrogen is a ring member |
| | 61 | The compound contains -S(O2)NHH where substitution may be made for the hydrogen |
| | 62 | The compound contains -C(=O)NHH where substitution may be made for the hydrogen |
| | 63 | The compound contains carboxylic acid ester group (e.g., partial ester, mixed ester) |
| | 64 | The compound contains -C(=O)OH or salt thereof |
| | 65 | The compound is mineral-oil* sulfonic acid (e.g., mahogany* or green* acid) |
| | 66 | The compound contains substituted or unsubstituted benzene ring (e.g., di-butyl-naphthalene sulfonic acid) |
| | 67 | The agent contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 68 | The nitrogen is a ring member (e.g., polyisocyanurate) |
| | 69 | The compound contains -C(=O)NHH where substitution may be made for the hydrogen |
| | 71 | The compound contains repeating -(OCnHn)- (i.e., repeating unsubstituted oxyalkylene) |
| | 72 | The agent contains organic compound containing oxygen |
| | 73 | The compound contains carboxylic acid ester group (e.g., partial ester, natural (glyceride) oil) |
| | 74 | The carboxylic acid ester group containing compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 75 | The compound contains -C(=O)OH or salt thereof (e.g., alkali metal soap) soap) |
| | 76 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 78 | The solid is primarily inorganic material (e.g., mercurous halide) |
| | 79 | The material primarily contains compound containing silicon covalently bonded to oxygen (e.g., aluminum silicate, clay) |
| | 80 | The material is a silica particle having a distinct layer containing non-monovalent metal oxide (e.g., alumina coated silica sol) |
| | 81 | The material is substantially pure silica sol |
| | 82 |  The silica is formed or grown by reaction of alkali silicate and non-siliceous inorganic acid (e.g., H2SO4) |
| | 83 | Ion exchange step occurs before or during growing or forming the sol |
| | 84 | Ion-exchange step employed in post-treatment (e.g., purification) |
| | 85 | Gel forming step (e.g., peptize) |
| | 86 | Hydrolysis step or elemental silicon source (e.g., forming fumed silica) |
| | 87 | Having colloid system stabilizing or preserving agent which is organic compound (e.g., deflocculant, antibacterial, esterification of unstable silicasols) |
| | 88 | The material primarily contains compound containing both metal and oxygen (e.g., silver nitrate) |
| | 89 | The metal present in the greatest amount is yttrium, scandium, or rare earth (e.g., hydrated ceric dioxide) |
| | 90 | The metal present in the greatest amount is titanium, zirconium, or hafnium |
| | 91 | The metal present in the greatest amount is antimony, bismuth, or arsenic |
| | 92 | The metal present in the greatest amount is tin, lead, or geranium (e.g., lead sulfate) |
| | 93 | The metal present in the greatest amount is aluminum |
| | 95 | The metal present in the greatest amount in the compounds is iron, nickel, or cobalt |
| | 96 | The material primarily contains elemental selenium, tellurium, or sulfur, or compound thereof (e.g., zinc sulfide) |
| | 97 | The material primarily contains elemental platinum group metal, copper, silver, or gold, or compound thereof |
| | 98 | CONTINUOUS OR SEMICONTINUOUS SOLID PHASE (I.E., SYSTEMS WHICH EXHIBIT PLASTICITY, ELASTICITY, OR RIGIDITY): COLLOID SYSTEMS; COMPOSITIONS CONTAINING AN AGENT FOR MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF MAKING OR STABILIZING COLLOID SYSTEMS; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., GEL, PASTE, GELLED EMULSION, FLOC) |
| | 99 | The solid phase contains organic material |
| | 100 | The organic material coats, impregnates, or surface modifies solid inorganic material (e.g., dextrin modified clay) |
| | 101 | The organic material contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 102 | The organic material contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 104 | The organic material contains organic compound containing oxygen |
| | 105 | The compound is a carbohydrate* or carbohydrate-derivative* (e.g., mono- or polysaccharide) |
| | 106 | The compound is cellulose or derivative thereof (e.g., CMC) |
| | 107 | The compound is gum or derivative thereof |
| | 108 | The compound contains carboxylic acid ester group (e.g., glycerides) |
| | 109 | The compound contains -C(=O)OH or salt thereof (e.g., calcium stearate) |
| | 110 | The solid phase contains metal silicate or clay (e.g., bentonite, kaolin) |
| | 111 | The solid phase contains silica (e.g., hydrated silicagel) |
| | 112 | The solid phase contains alumina (e.g., hydrated alumina-gel) |
| | 113 | COMPOSITIONS CONTAINING AN AGENT FOR BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS; PROCESSES OF BREAKING (RESOLVING) OR INHIBITING COLLOID SYSTEMS (E.G., GEL BREAKING OR INHIBITING, COAGULATING, FLOCCULATING); PROCESSES OF PREPARING THE COMPOSITIONS |
| | 114 | Continuous gas or vapor phase colloid system (e.g., fog dispelling, dust or contrail suppressing) |
| | 115 | Continuous liquid phase colloid system and discontinuous gas or vapor phase (e.g., foam) |
| | 116 | The agent contains both organic and inorganic (except water) materials (e.g., amine hydrophobized silica) |
| | 117 | The agent contains organic compound containing silicon (e.g., siloxane hydrophobized silica) |
| | 118 | The compound is polysiloxane which contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 119 | The compound contains nitrogen, except if present solely as NH4+ (e.g., organosilazane treated silica) |
| | 120 | The agent contains organosilane coated or treated solid particle |
| | 121 | The agent contains primarily aqueous continuous phase, i.e., water carrier |
| | 122 | The agent contains inorganic (except water) material |
| | 123 | The agent contains organic compound containing silicon (e.g., alkylpolysiloxane oil) |
| | 124 | The compound is polysiloxane which contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 125 | The agent contains organic compound containing phosphorus (e.g., lecithin) |
| | 126 | The agent contains organic compound containing sulfoxy* (e.g., organo- sulfone, -sulfate, -sulfonate) |
| | 128 | The agent contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 132 | The agent contains organic compound containing oxygen |
| | 135 | Continuous liquid phase colloid system and discontinuous liquid phase (e.g., breaking an emulsion) |
| | 136 | Breaking (resolving) or inhibiting occurs on the surface of a solid agent (e.g., adsorbent, absorbent, differential adherence surface, filter, sharp edged particles) |
| | 137 | The agent contains both organic and inorganic (except water) material |
| | 138 | The agent contains inorganic (except water) material (e.g., metal screen, CaCO3, glass, clay, diatomaceous earth, sand, gravel, alum) |
| | 139 | The agent contains material which is different from the primary components of both liquid phases of the emulsion colloid system (i.e., more than only diluting) |
| | 141 | Aqueous-petroleum, petroleum-aqueous, aqueous-hydrocarbon, or hydrocarbon-aqueous emulsion systems |
| | 142 | The agent contains both organic and inorganic (except water) material |
| | 143 | The agent contains organic compound |
| | 144 | The compound contains silicon |
| | 145 | The compound contains phosphorus (e.g., sulfonated lecithin) |
| | 146 | The compound contains sulfoxy* (e.g., sulfonate terpene) |
| | 147 |  The compound contains polymer of substituted or unsubstituted phenol and substituted or unsubstituted aldehyde |
| | 148 | The compound contains nitrogen, except if present solely as NH4+ |
| | 149 |  The nitrogen is a ring member (e.g., imidazoline salt of an organosulfonic acid) |
| | 150 | The compound contains -C(=O)NH or -S(O2)NHH where substitution may be made for the Hydrogen |
| | 151 | The nitrogen is part of the cation of a salt formed with the organic compound containing sulfoxy* (e.g., triethanol amine salt, quaternary amine salt) |
| | 154 | The compound contains carboxylic acid ester group |
| | 155 | The compound contains -C(=O)OH or salt thereof (e.g., partial ester, mixed ester, product of Twitchell process) |
| | 156 | The compound contains ether group |
| | 157 | The compound contains -C(=O)OH or salt thereof (e.g., sulfonated oleic acid) |
| | 158 | The compound contains esther (e.g., cellulose sulfate) |
| | 159 | The compound is mineral-oil* sulfonic acid (e.g., mahogany* or green* acid) |
| | 160 | The compound contains substituted or unsubstituted benzene ring (e.g., sulfonated nonylphenol, ammonium salt of butylated naphthalene sulfonic acid) |
| | 161 | The compound contains nitrogen, except if present solely as NH4+ (e.g., nitroso phenol) |
| | 162 | The nitrogen is a ring member |
| | 164 | The compound contains polymer of substituted or unsubstituted phenol and substituted or unsubstituted aldehyde |
| | 165 | The compound contains -C(=O)NHH where substitution may be made for the hydrogen |
| | 166 | The nitrogen is present in the cation of a salt |
| | 167 | The compound contains carboxylic acid ester group |
| | 168 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) (e.g., alkoxylated phenol-aldehyde polymer) |
| | 169 | The compound contains -C(=O)NHH where substitution may be made for the hydrogen |
| | 171 | The compound contains plural -C(=O)NHH where substitution may be made for the hydrogen (e.g., urea formaldehyde) |
| | 172 |  The compound contains plural nitrogen containing mers* bonded directly to each other (e.g., acylated polyamine, polyamide) |
| | 173 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 174 | The compound is a salt composed of an organic anion and a nitrogen-containing organic cation (e.g., triethanol amine salt of oleic acid) |
| | 176 | The compound contains carboxylic acid ester group |
| | 179 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 180 | The compound contains plural nitrogen containing mers* bonded directly to each other (e.g., poly-diallydimethylammonium chloride, polyamine) |
| | 181 | The compound contains oxygen (e.g., cresylic acid) |
| | 182 | The compound contains sulfur (except sulfoxy*) (e.g., sulfide or disulfide linkage) |
| | 183 | The compound contains polymer of substituted or unsubstituted phenol and substituted or unsubstituted aldehyde |
| | 185 | The compound contains carboxylic acid ester group (e.g., lactone, natural (glyceride) oil, oxyalkylated blown fatty acid*) |
| | 186 | The compound contains -C(=O)OH or salt thereof (e.g., partial ester, fractional ester, blown fatty acid*) |
| | 189 | The compound contains ether group |
| | 190 | The compound contains -C(=O)OH or salt thereof (e.g., glyceride soap, naphthenic acid) |
| | 191 | The compound contains ether group (e.g., polyethylene oxide) |
| | 194 | Breaking (resolving) or inhibiting by vaporizing, heating, or cooling |
| | 195 | With centrifuging, mechanical shocking, or specified agitating |
| | 196 | With dilution by principal component of one of the phases |
| | 197 | Breaking (resolving) or inhibiting by centrifuging, mechanical shocking, or specified agitating |
| | 198 | COMPOSITIONS CONTAINING A WETTING AGENT; PROCESSES OF WETTING; PROCESSES OF PREPARING THE COMPOSITIONS (E.G., SPREADING, PENETRATING, LEVELING) |
| | 199 | The agent contains organic compound containing phosphorus |
| | 200 | The agent contains organic compound containing sulfoxy* |
| | 201 | The compound contains nitrogen, except if present solely as NH4+ |
| | 202 | The compound contains -C(=O)OH or salt thereof |
| | 203 | The agent contains organic compound containing nitrogen, except if present soley as NH4+ |
| | 204 | The agent contains organic compound containing oxygen (e.g., carboxylic acid ester) |
| CROSS-REFERENCE ART COLLECTIONS | ||
| | 900 | LIQUID CRYSTAL MATERIAL OF, OR FOR, COLLOID SYSTEM (E.G., G PHASE) |
| | 901 | SUBSTANTIALLY PURE CARBON (E.G., GRAPHITE, LAMP BLACK, CARBON BLACK, FULLERENES) |
| | 902 | GELLED EMULSION |
| | 903 | TWO OR MORE GELLANTS |
| | 904 | FERMENTATION FOAM BREAKING OR INHIBITING |
| | 905 | AGENT COMPOSITION, PER SE, FOR COLLOID SYSTEM MAKING OR STABILIZING (E.G., FOAMING, EMULSIFYING, DISPERSING, GELLING; FOR WETTING AGENTS SEE 516/198+) |
| | 906 | The agent contains organic compound containing silicon |
| | 907 | The agent contains organic compound containing phosphorus (e.g., lecithin) |
| | 909 | The agent contains organic compound containing sulfoxy* |
| | 910 | The compound contains nitrogen, except if present solely as NH4+ |
| | 911 | The compound contains -S(O2)NHH where substitution may be made for the hydrogen |
| | 912 | The compound contains -C(=O)NHH where substitution may be made for the hydrogen |
| | 913 | The compound contains -C(=O)OH or salt thereof |
| | 914 | The agent contains organic compound containing nitrogen, except if present solely as NH4+ |
| | 915 | The compound contains -C(=O)NHH where substitution may be made for the hydrogen |
| | 916 | The compound contains repeating -(OCnH2n)- (i.e., repeating unsubstituted oxyalkylene) |
| | 917 | The agent contains organic compound containing oxygen |
| | 921 | COLLOID SYSTEMS HAVING SPECIFIED HIGH PURITY (E.G., ULTRA-PURE SILICA) |
| | 922 | COLLOID SYSTEMS HAVING SPECIFIED PARTICLE SIZE, RANGE, OR DISTRIBUTION (E.G., BIMODAL PARTICLE DISTRIBUTION) |
| | 924 | SIGNIFICANT DISPERSIVE OR MANIPULATIVE OPERATION OR STEP IN MAKING OR STABILIZING COLLOID SYSTEM |
| | 925 | Phase inversion |
| | 926 | Phase change (e.g., melting) |
| | 927 | In situ formation of a colloid system making or stabilizing agent which chemical reaction |
| | 928 | Mixing combined with non-mixing operation or step, successively or simultaneously (e.g., heating, cooling, pH change, ageing, milling) |
| | 929 | Specified combination of agitation steps (e.g., mixing to make subcombination composition followed by homogenization) |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
| FOR100 | COLLOIDS AND POTENTIAL COLLOIDS; CHEMICAL PROCESSES OF MAKING AND BREAKING (252/302) |
| FOR101 | Including separations or comminutions by colloid functions (252/303) |
| FOR102 | Colloid (polyphase discontinuous dispersion) systems (252/304) |
| FOR103 | Smokes, fogs, or gaseous primary dispersants (252/305) |
| FOR104 | Liquid primary dispersants (252/306) |
| FOR105 | Foams or gaseous primary dispersands (252/307) |
| FOR106 | Organic major dispersants only (252/308) |
| FOR108 | Water as major dispersant only (252/310) |
| FOR114 | Dispersive or manipulative operations (252/314) |
| FOR115 | Gels, coagulates, or dispersands (252/315.01) |
| FOR116 | Organic (252/315.1) |
| FOR117 | Inorganic material coated, impregnated, or surface-modified with organic material (252/315.2) |
| FOR118 | Carbohydrate or derivative (252/315.3) |
| FOR119 | Carboxylic acid ester, acid, or salt thereof (252/315.4) |
| FOR120 | Metal silicate or clay (252/315.5.) |
| FOR121 | Silica (252/315.6) |
| FOR122 | Alumina (252/315.7) |
| FOR123 | Potential dispersants, or dispersands with colloidization inhibitants (252/318) |
| FOR124 | Resolving colloids or inhibiting colloidization (252/319) |
| FOR125 | Liquid primary dispersants (252/320) |
| FOR126 | Foams or gaseous primary dispersands (252/321) |
| FOR127 | Adsorbent or solid surface functioning treating substances (252/322) |
| FOR128 | Organic and inorganic agents (except water) (252/323) |
| FOR129 | Inorganic agents (except water) (252/324) |
| FOR130 | Organic agents (252/325) |
| FOR131 | Added nongaseous dissimilar treating substances (252/326) |
| FOR132 | Added dissimilar solvents, bindants, or liquid baths (252/327) |
| FOR133 | Resolving aqueous-petroleum or aqueous-hydrocarbon systems (252/328) |
| FOR134 | Organic and inorganic agents (except water) (252/329) |
| FOR135 | Inorganic agents (except water) (252/330) |
| FOR136 | Organic agents (252/331) |
| FOR137 | Organic sulphoxy compound containing (252/332) |
| FOR138 | Petroleum-sulphoxy compound containing (252/333) |
| FOR140 | Protein or carboxylic compound containing (252/335) |
| FOR141 | Organic amine, amide, or N-base containing (252/336) |
| FOR142 | Carbocyclic or non-aliphatic sulphoxy or carboxylic compound (252/337) |
| FOR143 | Organic amine, amide, or N-base containing (252/338) |
| FOR144 | With non-sulphoxy non-carboxylic non-amine compounds (252/339) |
| FOR145 | Protein or carboxylic compound containing (252/340) |
| FOR146 | Organic amine, amide, or N-base containing (252/341) |
| FOR147 | Carbocyclic or non-aliphatic carboxylic compound containing (252/342) |
| FOR148 | With non-carboxylic non-amine compounds (252/343) |
| FOR149 | Organic amine, amide, or N-base containing (252/344) |
| FOR150 | With elements other than C, H, and O (252/345) |
| FOR151 | Vaporizing, heating, or cooling (252/346) |
| FOR154 | Mechanically (252/349) |
| FOR155 | Gas-generating agent containing (252/350) |
| FOR156 | Wetting, emulsifying, dispersing, or stabilizing agents (252/351) |
| FOR157 | Organic and inorganic agents containing (except water) (252/352) |
| FOR158 | Organic sulphoxy compound containing (252/353) |
| FOR159 | Protein or carboxylic compound containing (252/354) |
| FOR160 | Organic amine, amide, or N-base containing (252/355) |
| FOR161 | Protein or carboxylic compound containing (252/356) |
| FOR162 | Organic, amine, amide, or N-base containing (252/357) |
| FOR163 | Emulsification or liquid dispersant colloidization-inhibiting, emulsion breaking or liquid dispersant colloids resolving agents (252/358) |
| DIGESTS | ||
| | DIG1 | WETTING, EMULSIFYING, DISPERSING, OR STABILIZING AGENTS (252/351) |
| | DIG2 | Organic and inorganic agents containing (except water) (252/352) |
| | DIG3 | Organic sulfoxy compound containing (252/353) |
| | DIG4 | Protein or carboxylic compound containing (252/354) |
| | DIG5 | Organic amine, amide, or N-base containing (252/355) |
| | DIG6 | Protein or carboxylic compound containing (252/356) |
| | DIG7 | Organic amine, amide, or N-base containing (252/357) |