Granted Patent
Utility
US 5,252,318 · App. 07/539,061
Reversible gelation compositions and methods of use
Inventors:
Abhay M. Joshi, Shulin Ding, Kenneth J. Himmelstein
Patented Case
View Patent ↗
Granted: Oct 12, 1993
Filed: Jun 15, 1990
Inventors
Abhay M. Joshi
Shulin Ding
Kenneth J. Himmelstein
Assignee (at issue)
Allergan, Inc.
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.