Granted Patent
Utility
US 5,672,671 · App. 08/668,163
Process for producing diorganopolysiloxane
Inventors:
Takaharu Nakano, Katsuyoshi Tsuchiya, Shunji Yoshimatsu, Takeru Fuchigami
Patented Case
View Patent ↗
Granted: Sep 30, 1997
Filed: Jun 21, 1996
Inventors
Takaharu Nakano
Katsuyoshi Tsuchiya
Shunji Yoshimatsu
Takeru Fuchigami
Assignee (at issue)
Chisso Corporation
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.