Granted Patent
Utility
US 5,620,934 · App. 08/413,169
Production process of silicon carbide from organosilicon compounds
Inventors:
Masayoshi Itoh, Ryo Takeuchi, Kenji Iwata, Mineo Kobayashi
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Mar 29, 1995
Inventors
Masayoshi Itoh
Ryo Takeuchi
Kenji Iwata
Mineo Kobayashi
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.