Granted Patent
Utility
US 5,608,075 · App. 08/371,937
Polymorphs of losartan and the process for the preparation of form II of losartan
Inventors:
Gordon C. Campbell, Jr., Anil M. Dwivedi, Dorothy A. Levorse, James A. McCauley, Krishnaswamy Srinivas Raghavan
Patented Case
View Patent ↗
Granted: Mar 4, 1997
Filed: Jan 12, 1995
Inventors
Gordon C. Campbell, Jr.
Anil M. Dwivedi
Dorothy A. Levorse
James A. McCauley
Krishnaswamy Srinivas Raghavan
Assignees (at issue)
MERCK & CO., INC.
E.I. DU PONT DE NEMOURS AND COMPANY
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.