Granted Patent
Utility
US 4,775,707 · App. 07/065,655
Coatings materials stabilized against the action of light
Inventors:
Mario Slongo, Manfred Rembold
Patented Case
View Patent ↗
Granted: Oct 4, 1988
Filed: Jun 22, 1987
Inventors
Mario Slongo
Manfred Rembold
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.