Granted Patent
Utility
US 5,602,196 · App. 08/562,774
Bisphenol ester derivatives
Inventors:
Bernard Gilg, Rita Pitteloud
Patented Case
View Patent ↗
Granted: Feb 11, 1997
Filed: Nov 27, 1995
Inventors
Bernard Gilg
Rita Pitteloud
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.