Granted Patent
Utility
US 4,024,088 · App. 05/536,956
Compositions and methods useful in forming polyether polyurethanes having release properties
Inventor:
Robert E. Godlewski
Patented Case
View Patent ↗
Granted: May 17, 1977
Filed: Dec 23, 1974
Inventor
Robert E. Godlewski
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.