Granted Patent
Utility
US 6,448,360 · App. 09/765,047
Process for the production of cyclic siloxane
Inventors:
Tadashi Okawa, Junichi Maeshima, Norikatsu Higuchi, Takao Takemasa
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Jan 19, 2001
Inventors
Tadashi Okawa
Junichi Maeshima
Norikatsu Higuchi
Takao Takemasa
Assignee (at issue)
Dow Corning Toray Silicone Company, 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.