Granted Patent
Utility
US 5,041,453 · App. 07/532,464
Quinolinyl-benzoheterobicyclic derivatives as antagonists of leukotriene D4
Inventors:
Fu-Chih Huang, Keith S. Learn, Ashvin V. Gavai
Patented Case
View Patent ↗
Granted: Aug 20, 1991
Filed: May 30, 1990
Inventors
Fu-Chih Huang
Keith S. Learn
Ashvin V. Gavai
Assignee (at issue)
Rhone-Poulenc Rorer Pharmaceuticals 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.