Granted Patent
Utility
US 5,597,876 · App. 08/625,839
Epoxy resin composition containing novolac with adjacent hydroxyl groups
Inventors:
Yasuyuki Murata, Yoshinori Nakanishi, Mitsukazu Ochi
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Apr 1, 1996
Inventors
Yasuyuki Murata
Yoshinori Nakanishi
Mitsukazu Ochi
Assignee (at issue)
SHELL OIL COMPANY
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.