Granted Patent
Utility
US 5,002,973 · App. 07/426,495
Stabilized sulfite-free catecholamine compositions
Inventors:
Lowell Zeleznick, Allan M. Raff
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: Oct 23, 1989
Inventors
Lowell Zeleznick
Allan M. Raff
Assignee (at issue)
Dey Laboratories, 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.