Granted Patent
Utility
US 5,237,003 · App. 07/873,624
Thermoplastic resin composition containing graft-modified polyolefin elastomer and a polyamide
Inventors:
Yasuhiko Otawa, Noboru Sakamaki, Tetsuo Tojo, Katsuo Okamoto, Toshiyuki Maeda
Patented Case
View Patent ↗
Granted: Aug 17, 1993
Filed: Apr 23, 1992
Inventors
Yasuhiko Otawa
Noboru Sakamaki
Tetsuo Tojo
Katsuo Okamoto
Toshiyuki Maeda
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.