Granted Patent
Utility
US 5,134,148 · App. 07/758,491
Heterocycles for use as inhibitors of leukotrienes
Inventors:
Graham C. Crawley, Philip N. Edwards, Jean-Marc M. M. Girodeau
Patented Case
View Patent ↗
Granted: Jul 28, 1992
Filed: Sep 5, 1991
Inventors
Graham C. Crawley
Philip N. Edwards
Jean-Marc M. M. Girodeau
Assignees (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
ICI Pharma
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.