Granted Patent
Utility
US 3,978,151 · App. 05/509,750
High-functional polymercaptan resins in epoxy/anhydride resin compositions
Inventor:
Douglas H. Strong
Patented Case
View Patent ↗
Granted: Aug 31, 1976
Filed: Sep 27, 1974
Inventor
Douglas H. Strong
Assignee (at issue)
Diamond Shamrock Corporation
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.