Granted Patent
Utility
US 5,149,863 · App. 07/744,065
Low temperature curable dicyanate esters of dihydric phenols
Inventors:
David A. Shimp, Jeffrey T. Vanderlip
Patented Case
View Patent ↗
Granted: Sep 22, 1992
Filed: Aug 12, 1991
Inventors
David A. Shimp
Jeffrey T. Vanderlip
Assignee (at issue)
Hi-Tek Polymers, 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.