Granted Patent
Utility
US 5,789,517 · App. 08/721,239
Continuous production method of polyorganosiloxane particles
Inventors:
Tetsunori Ochiai, Makoto Nishida, Mitsunori Iwasaki
Patented Case
View Patent ↗
Granted: Aug 4, 1998
Filed: Sep 26, 1996
Inventors
Tetsunori Ochiai
Makoto Nishida
Mitsunori Iwasaki
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.