Granted Patent
Utility
US 5,900,470 · App. 09/097,728
Denture adhesive including a solvent-free, high molecular weight terpolymer of maleic anhydride, a C.sub.1 -C.sub.4 alkyl vinyl ether and isobutylene
Inventors:
William E. Prosise, Krystyna Plochocka
Patented Case
View Patent ↗
Granted: May 4, 1999
Filed: Jun 16, 1998
Inventors
William E. Prosise
Krystyna Plochocka
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.