Granted Patent
Utility
US 4,331,555 · App. 06/191,520
Use of organosiloxane compositions as foam stabilizers in flexible polyester polyurethane foam
Inventors:
Feyyaz O. Baskent, Michael R. Sandner
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Sep 29, 1980
Inventors
Feyyaz O. Baskent
Michael R. Sandner
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.