Granted Patent
Utility
US 5,247,018 · App. 07/885,257
Thermoplastic resin of elastomer composition having excellent paint adhesion and laminate comprising layer of said thermoplastic elastomer and polyurethane layer
Inventors:
Toshikyuki Maeda, Yasuhiko Otawa, Katsuo Okamoto
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: May 20, 1992
Inventors
Toshikyuki Maeda
Yasuhiko Otawa
Katsuo Okamoto
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.