Granted Patent
Utility
US 4,585,829 · App. 06/614,712
Internal mold release for reaction injection molded polyurethanes
Inventors:
An-Li Kuo, Errol D. Goddard, James S. Ritscher
Patented Case
View Patent ↗
Granted: Apr 29, 1986
Filed: May 29, 1984
Inventors
An-Li Kuo
Errol D. Goddard
James S. Ritscher
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.