Granted Patent
Utility
US 5,583,247 · App. 08/422,285
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: Dec 10, 1996
Filed: Apr 14, 1995
Inventors
Peter Nesvadba
Samuel Evans
Matthew E. Gande
Volker H. von Ahn
Roland A. E. Winter
Assignee (at issue)
Ciba-Geigy
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.