Granted Patent
Utility
US 5,721,313 · App. 08/556,774
Crosslinked polymer composition
Inventors:
Dominic Wai-Kwing Yeung, Dipak Lad
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Nov 2, 1995
Inventors
Dominic Wai-Kwing Yeung
Dipak Lad
Assignee (at issue)
Rhone-Poulenc, 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.