Granted Patent
Utility
US 5,191,005 · App. 07/613,749
Process for preparing thermoplastic elastomer compositions and thermoplastic elastomer compositions
Inventors:
Kazuhiko Murata, Norishige Murakami, Shizuo Shimizu
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Dec 13, 1990
Inventors
Kazuhiko Murata
Norishige Murakami
Shizuo Shimizu
Assignee (at issue)
Mitsui Petrochemical Industries, Ltd.
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.