Granted Patent
Utility
US 5,476,882 · App. 08/139,603
Light-stabilized polymer microparticles
Inventors:
Godwin Berner, Manfred Rembold, Jean Rody, Mario Slongo
Patented Case
View Patent ↗
Granted: Dec 19, 1995
Filed: Oct 18, 1993
Inventors
Godwin Berner
Manfred Rembold
Jean Rody
Mario Slongo
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.