Granted Patent
Utility
US 4,374,943 · App. 06/228,947
Polysulfide alkoxy silane coupling agents
Inventor:
Thomas C. Williams
Patented Case
View Patent ↗
Granted: Feb 22, 1983
Filed: Jan 27, 1981
Inventor
Thomas C. Williams
Assignee (at issue)
Union Carbide 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.