Granted Patent
Utility
US 5,147,909 · App. 07/764,021
Substituted 1,3,2-benzoxazaphospholidines and stabilized compositions
Inventors:
Paul A. Odorisio, Stephen D. Pastor, James L. Hyun
Patented Case
View Patent ↗
Granted: Sep 15, 1992
Filed: Sep 23, 1991
Inventors
Paul A. Odorisio
Stephen D. Pastor
James L. Hyun
Assignee (at issue)
Ciba-Geigy
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.