Granted Patent
Utility
US 6,136,766 · App. 08/485,904
Cleaning compositions
Inventors:
Minoru Inada, Kimiaki Kabuki, Yasutaka Imajo, Takayuki Oguni, Noriaki Yagi, Nobuhiro Saitoh, Akitsugu Kurita, Yoshiaki Takezawa
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Jun 7, 1995
Inventors
Minoru Inada
Kimiaki Kabuki
Yasutaka Imajo
Takayuki Oguni
Noriaki Yagi
Nobuhiro Saitoh
Akitsugu Kurita
Yoshiaki Takezawa
Assignee (at issue)
Toshiba Silicone 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.