Granted Patent
Utility
US 5,783,609 · App. 08/666,458
Process for recovering organoalkoxysilane from polyorganosiloxane
Inventors:
Tsurahide Cho, Yoshiro Ohta, Toshitsura Cho, Tohru Yamashita, Nobuaki Ohkawa, Makoto Nishida
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Jun 27, 1996
Inventors
Tsurahide Cho
Yoshiro Ohta
Toshitsura Cho
Tohru Yamashita
Nobuaki Ohkawa
Makoto Nishida
Assignees (at issue)
TAMA CHEMICALS CO., LTD.
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.