Granted Patent
Utility
US 5,849,841 · App. 08/875,340
Crosslinked polymers containing ester or amide groups
Inventors:
Andreas Muhlebach, Beat Muller
Patented Case
View Patent ↗
Granted: Dec 15, 1998
Filed: Jul 30, 1997
Inventors
Andreas Muhlebach
Beat Muller
Assignee (at issue)
CIBA Vision Corporation
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.