Granted Patent
Utility
US 5,869,521 · App. 08/064,695
Kappa agonist anti-pruritic pharmaceutical formulations and method of treating pruritus therewith
Inventors:
John J. Farrar, An-Chih Chang, Virendra Kumar, Wei Zhang, Alan Cowan
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Apr 22, 1998
Inventors
John J. Farrar
An-Chih Chang
Virendra Kumar
Wei Zhang
Alan Cowan
Assignee (at issue)
Adolor 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.