Granted Patent
Utility
US 6,310,168 · App. 09/485,174
Aminated polysilazane and process for the preparation thereof
Inventors:
Yasuo Shimizu, Tomoko Aoki, Osamu Funayama
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: Feb 7, 2000
Inventors
Yasuo Shimizu
Tomoko Aoki
Osamu Funayama
Assignee (at issue)
Tonen 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.