Granted Patent
Utility
US 4,151,157 · App. 05/810,853
Polymer composite articles containing polysulfide silicon coupling agents
Inventors:
Thomas C. Williams, George E. Totten
Patented Case
View Patent ↗
Granted: Apr 24, 1979
Filed: Jun 28, 1977
Inventors
Thomas C. Williams
George E. Totten
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.