Granted Patent
Utility
US 5,101,002 · App. 07/587,022
Cured phosphonitrilic elastomers having alkyl-substituted aryl units
Inventors:
W. Dirk Klobucar, David M. Indyke
Patented Case
View Patent ↗
Granted: Mar 31, 1992
Filed: Sep 24, 1990
Inventors
W. Dirk Klobucar
David M. Indyke
Assignee (at issue)
Ethyl 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.