Granted Patent
Utility
US 4,956,494 · App. 07/366,350
Oxidation of thiols, disulfides and thiolsulfonates
Inventors:
Altaf Husain, Gregory A. Wheaton
Patented Case
View Patent ↗
Granted: Sep 11, 1990
Filed: Jun 15, 1989
Inventors
Altaf Husain
Gregory A. Wheaton
Assignee (at issue)
Pennwalt Corporation
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.