Granted Patent
Utility
US 5,380,774 · App. 07/441,959
Nylon molding compositions exhibiting improved protection against UV-light degradation
Inventor:
Bruce M. Mulholland
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Nov 28, 1989
Inventor
Bruce M. Mulholland
Assignee (at issue)
Hoechst Celanese 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.