Granted Patent
Utility
US 5,502,134 · App. 08/282,157
Resin composition containing a polycarbonate-polydimethylsiloxane
Inventors:
Masaya Okamoto, Takashi Kanezaki
Patented Case
View Patent ↗
Granted: Mar 26, 1996
Filed: Jul 28, 1994
Inventors
Masaya Okamoto
Takashi Kanezaki
Assignee (at issue)
Idemitsu Petrochemical Co., 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.