Granted Patent
Utility
US 4,845,122 · App. 06/938,305
Anti-allergy treatment using 2-(substituted amino)-4,5-dihydro-4-oxo-3-furancarboxylic acids and derivatives thereof
Inventors:
Vassil S. Georgiev, Clyde R. Kinsolving, Robert Mack
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Dec 5, 1986
Inventors
Vassil S. Georgiev
Clyde R. Kinsolving
Robert Mack
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.