US 6,943,282 C1 (13,015th)
Insect resistant plants
Michael J. Adang, Madison, WI (US); and John D. Kemp, Las Cruces, NM (US)
Filed by Michael J. Adang, Madison, WI (US); and John D. Kemp, Las Cruces, NM (US)
Assigned to Corteva Agriscience LLC
Reexamination Request No. 90/019,306, Nov. 27, 2023.
Reexamination Certificate for Patent 6,943,282, issued Sep. 13, 2005, Appl. No. 07/713,624, Jun. 10, 1991.
Application 90/019,306 is a continuation of application No. 07/260,574, filed on Oct. 21, 1988, abandoned.
Application 07/260,574 is a continuation in part of application No. 06/848,733, filed on Apr. 4, 1986, abandoned.
Application 06/848,733 is a continuation in part of application No. 06/535,354, filed on Sep. 26, 1983, abandoned.
Ex Parte Reexamination Certificate issued on Aug. 20, 2025.
Int. Cl. C07K 14/235 (2006.01); C07K 14/325 (2006.01); C12N 15/82 (2006.01)
CPC C07K 14/325 (2013.01) [C12N 15/8216 (2013.01); C12N 15/8286 (2013.01); Y02A 40/146 (2018.01)]
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
The patentability of claims 1-23 is confirmed.
1. A method of providing insecticidal protein to insects harmful to plants comprising:
(a) transforming a plant cell capable of regeneration to contain a Bacillus thuringiensis crystal protein insecticide structural gene and a plant expressible promoter whereby the gene is expressible in the plant cell under control of the promoter;
(b) regenerating said plant cell to form plant tissue expressing said gene in insecticidal amounts; and
(c) allowing insects to feed on said insecticidal plant tissue whereby they are provided insecticidal proteins.