Erratum

   In the notice of "Request for Inter Partes Reexamination
Filed" appearing on 1250 OG 63, in the September 11, 2001, Official
Gazette, the control number for the request for inter partes
reexamination of U.S. patent No. 6,232,427 was incorrectly identified
as 90/000,001. The correct control number is 95/000,001.



                                    Erratum

   An incorrect notice of withdrawal for Patent No. 6,277,902
appeared on August 28, 2001, in the Official Gazette, Volume 1249, page
115. In addition, other incorrect information was given. The correct
information is that a valid patent, 6,277,902, was issued on August 21,
2001, to Thomas Scholl, et. al of Bergisch Gladback, Federal Republic
of Germany for MIXTURES OF RUBBERS AND ACTIVATED AND HYDROPHOBIC OXIDIC
AND FILLERS AND A PROCESS FOR THEIR PREPARATION.



                                    Erratum

   In the notice of Certificate of Correction appearing on 1245
O.G. 49, delete all reference to Patent No. 6,009,249, issue of April
10, 2001, the number was erroneously mentioned and should be deleted
since no certificate of correction was issued.