Granted Patent
Utility
US 4,433,067 · App. 06/371,160
Reaction injection molded elastomers prepared from amine terminated polyethers, amine terminated chain extender and aromatic polyisocyanate
Inventors:
Doris M. Rice, Richard J. G. Dominguez
Patented Case
View Patent ↗
Granted: Feb 21, 1984
Filed: Apr 23, 1982
Inventors
Doris M. Rice
Richard J. G. Dominguez
Assignee (at issue)
Texaco Inc.
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.