Granted Patent
Utility
US 5,084,462 · App. 07/545,048
4-quinoline carboxylic acid derivatives useful as immunosuppressive agents
Inventors:
Neil R. Ackerman, Bruce D. Jaffee, Scott E. Loveless, Russell H. Neubauer
Patented Case
View Patent ↗
Granted: Jan 28, 1992
Filed: Jun 28, 1990
Inventors
Neil R. Ackerman
Bruce D. Jaffee
Scott E. Loveless
Russell H. Neubauer
Assignee (at issue)
The DuPont Merck Pharmaceutical Company
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.