Granted Patent
Utility
US 5,075,356 · App. 07/613,421
Bisphenol and neopentyl glycol diglycidyl ethers with glycidyl methacrylate copolymer
Inventors:
David A. Crosby, Kenneth A. Lowe
Patented Case
View Patent ↗
Granted: Dec 24, 1991
Filed: Nov 15, 1990
Inventors
David A. Crosby
Kenneth A. Lowe
Assignee (at issue)
HERCULES LLC
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.