Granted Patent
Utility
US 5,041,587 · App. 07/478,366
Process for preparing organic silicon compound
Inventors:
Masayoshi Itoh, Kenji Iwata, Noriyuki Yanagawa, Tetsura Utsumi, Mineo Kobayashi, Ryo Takeuchi, Tomohiro Abe
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: Feb 12, 1990
Inventors
Masayoshi Itoh
Kenji Iwata
Noriyuki Yanagawa
Tetsura Utsumi
Mineo Kobayashi
Ryo Takeuchi
Tomohiro Abe
Assignee (at issue)
Mitsui Toatsu Chemicals, Incorporated
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.