Granted Patent
Utility
US 5,442,035 · App. 08/128,932
Calcium sulfonate or calcium hydrocarbyl sulfate accelerator for amine cure of epoxy resins
Inventors:
Larry S. Corley, Harold E. De La Mare
Patented Case
View Patent ↗
Granted: Aug 15, 1995
Filed: Sep 29, 1993
Inventors
Larry S. Corley
Harold E. De La Mare
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.