Granted Patent
Utility
US 6,159,346 · App. 08/977,890
Inhibition of 141b decomposition
Inventors:
Richard M. Crooker, Maher Y. Elsheikh, Anthony D. Kelton, Morris P. Walker, Danny W. Wright
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Nov 25, 1997
Inventors
Richard M. Crooker
Maher Y. Elsheikh
Anthony D. Kelton
Morris P. Walker
Danny W. Wright
Assignee (at issue)
Elf Atochem North America, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.