Granted Patent
Utility
US 5,017,301 · App. 07/278,833
Method for permanganate bleaching of fabric and garments
Inventors:
Samuel L. Bean, Mark D. Dulik, Peter A. Monopoli
Patented Case
View Patent ↗
Granted: May 21, 1991
Filed: Dec 2, 1988
Inventors
Samuel L. Bean
Mark D. Dulik
Peter A. Monopoli
Assignee (at issue)
General Chemical 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.