Granted Patent
Utility
US 4,504,635 · App. 06/545,684
Process for the preparation of polymeric compositions
Inventors:
Robert J. Weber, Donald F. Smith
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Oct 26, 1983
Inventors
Robert J. Weber
Donald F. Smith
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.