Granted Patent
Utility
US 4,760,148 · App. 06/772,221
5-aralkyl substituted 2H-benzotriazoles and stabilized compositions
Inventors:
Raymond Seltzer, Roland A. E. Winter
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Sep 3, 1985
Inventors
Raymond Seltzer
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.