Granted Patent
Utility
US 5,739,341 · App. 08/462,254
Liquid antioxidants as stabilizers
Inventors:
Paul Dubs, Roger Martin, Samuel Evans
Patented Case
View Patent ↗
Granted: Apr 14, 1998
Filed: Jun 2, 1995
Inventors
Paul Dubs
Roger Martin
Samuel Evans
Assignee (at issue)
Ciba Specialty Chemicals 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.