Granted Patent
Utility
US 6,583,225 · App. 10/177,995
Polymeric hydrogels
Inventors:
Krystyna Plochocka, Jeffrey Lynn
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 21, 2002
Inventors
Krystyna Plochocka
Jeffrey Lynn
Assignee (at issue)
ISP INVESTMENTS LLC
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.