Granted Patent
Utility
US 5,286,788 · App. 07/999,454
Thioester polymerization modifiers
Inventor:
Mohammed Shahid
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Dec 29, 1992
Inventor
Mohammed Shahid
Assignee (at issue)
Witco Corporation
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.