Granted Patent
Utility
US 5,232,989 · App. 07/663,998
Functionalized polymers
Inventors:
Denis Forster, Samuel J. Tremont, Martin P. McGrath, Erik D. Sall
Patented Case
View Patent ↗
Granted: Aug 3, 1993
Filed: Mar 4, 1991
Inventors
Denis Forster
Samuel J. Tremont
Martin P. McGrath
Erik D. Sall
Assignee (at issue)
Monsanto Company
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.