Granted Patent
Utility
US 5,731,380 · App. 08/827,790
Elastomeric compositions
Inventor:
Michael D. Golder
Patented Case
View Patent ↗
Granted: Mar 24, 1998
Filed: Apr 11, 1997
Inventor
Michael D. Golder
Assignee (at issue)
Hoechst Celanese 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.