Granted Patent
Utility
US 4,280,979 · App. 06/076,624
Copolymers, compositions, and articles, and methods for making same
Inventors:
Raymond A. Dunleavy, William A. Gill
Patented Case
View Patent ↗
Granted: Jul 28, 1981
Filed: Sep 18, 1979
Inventors
Raymond A. Dunleavy
William A. Gill
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.