Granted Patent
Utility
US 5,750,765 · App. 08/703,763
7-substituted quinone methides as inhibitors for unsaturated monomers
Inventors:
Peter Nesvadba, Samuel Evans, Matthew E. Gande, Volker H. von Ahn, Roland A. E. Winter
Patented Case
View Patent ↗
Granted: May 12, 1998
Filed: Aug 27, 1996
Inventors
Peter Nesvadba
Samuel Evans
Matthew E. Gande
Volker H. von Ahn
Roland A. E. Winter
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.