Granted Patent
Utility
US 5,220,047 · App. 07/582,082
Carbamate silicon compounds as latent coupling agents and process for preparation and use
Inventors:
Eric R. Pohl, Curtis L. Schilling, Jr.
Patented Case
View Patent ↗
Granted: Jun 15, 1993
Filed: Sep 17, 1990
Inventors
Eric R. Pohl
Curtis L. Schilling, Jr.
Assignee (at issue)
Union Carbide Chemicals & Plastics Technology 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.