Granted Patent
Utility
US 5,594,053 · App. 08/589,231
Aromatic cyclic bisphosphite esters and polymeric compositions thereof
Inventors:
Roger W. Avakian, Vaikunth S. Prabhu, William P. Enlow, Carloss L. Gray
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Jan 22, 1996
Inventors
Roger W. Avakian
Vaikunth S. Prabhu
William P. Enlow
Carloss L. Gray
Assignee (at issue)
General Electric Company
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.