Granted Patent
Utility
US 5,736,597 · App. 08/143,525
Stabilized organic material
Inventors:
Jean-Luc Birbaum, Jean Rody, Mario Slongo, Andreas Valet, Roland A. E. Winter
Patented Case
View Patent ↗
Granted: Apr 7, 1998
Filed: Oct 26, 1993
Inventors
Jean-Luc Birbaum
Jean Rody
Mario Slongo
Andreas Valet
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.