Granted Patent
Utility
US 6,602,962 · App. 10/027,735
Process for the production of hydrogenated nitrile rubber
Inventors:
Paul Nguyen, Carl von Hellens
Patented Case
View Patent ↗
Granted: Aug 5, 2003
Filed: Dec 19, 2001
Inventors
Paul Nguyen
Carl von Hellens
Assignee (at issue)
Bayer Aktiengesellschaft
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.