Granted Patent
Utility
US 4,299,923 · App. 06/134,637
Alkyl-modified siloxane copolymers useful as foam stabilizers in high resilience polyurethane foam
Inventors:
Feyyaz O. Baskent, James D. Reedy
Patented Case
View Patent ↗
Granted: Nov 10, 1981
Filed: Mar 27, 1980
Inventors
Feyyaz O. Baskent
James D. Reedy
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.