Granted Patent
Utility
US 5,086,097 · App. 07/638,462
Ultraviolet stabilizer for polycarbonate compositions
Inventors:
Steven A. Jorissen, Sivaram Krishnan
Patented Case
View Patent ↗
Granted: Feb 4, 1992
Filed: Jan 7, 1991
Inventors
Steven A. Jorissen
Sivaram Krishnan
Assignee (at issue)
Mobay 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.