Granted Patent
Utility
US 6,500,944 · App. 08/895,136
Sulfurizing reagent: 3-aryl-1,2,4-dithiazoline-5-ones
Inventors:
Saroj K. Roy, Jin-Yan Tang
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Jul 16, 1997
Inventors
Saroj K. Roy
Jin-Yan Tang
Assignee (at issue)
Avecia Biotechnology, 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.