Granted Patent
Utility
US 4,119,586 · App. 05/797,666
Polymer/polyol compositions, processes for making same and processes for making polyurethane products therefrom
Inventor:
Naresh Shah
Patented Case
View Patent ↗
Granted: Oct 10, 1978
Filed: May 17, 1977
Inventor
Naresh Shah
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.