Granted Patent
Utility
US 6,765,071 · App. 10/111,448
Composition of aromatic polyepisulfide,polyglycidyl ether and/or ester, and acid anhydride
Inventors:
Koichi Fujishiro, Hiroshi Ogata, Fumihiro Ohmori
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: Apr 26, 2002
Inventors
Koichi Fujishiro
Hiroshi Ogata
Fumihiro Ohmori
Assignee (at issue)
NIPPON STEEL CHEMICAL CO., LTD.
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.