Granted Patent
Utility
US 5,223,546 · App. 07/870,336
High polymer network
Inventors:
Kenji Morita, Kohichi Uchiki, Hosei Shinoda
Patented Case
View Patent ↗
Granted: Jun 29, 1993
Filed: Apr 17, 1992
Inventors
Kenji Morita
Kohichi Uchiki
Hosei Shinoda
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.