Granted Patent
Utility
US 4,904,721 · App. 07/140,998
Organoalkoxysilane-containing coating composition
Inventors:
Hideyuki Hanaoka, Kazuo Yamamoto, Toshiyuki Suzuki
Patented Case
View Patent ↗
Granted: Feb 27, 1990
Filed: Jan 5, 1988
Inventors
Hideyuki Hanaoka
Kazuo Yamamoto
Toshiyuki Suzuki
Assignee (at issue)
Japan Synthetic Rubber 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.