Granted Patent
Utility
US 5,508,317 · App. 08/286,035
Photocrosslinked polymers
Inventor:
Beat Muller
Patented Case
View Patent ↗
Granted: Apr 16, 1996
Filed: Aug 4, 1994
Inventor
Beat Muller
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.