Granted Patent
Utility
US 5,792,814 · App. 08/906,316
Method for preparing modified resins and their applications
Inventors:
Tetsuya Oishi, Kazuo Sugazaki, Jin Suzuki
Patented Case
View Patent ↗
Granted: Aug 11, 1998
Filed: Aug 5, 1997
Inventors
Tetsuya Oishi
Kazuo Sugazaki
Jin Suzuki
Assignee (at issue)
MITSUI CHEMICALS, INC.
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.