Granted Patent
Utility
US 6,407,263 · App. 09/207,536
Preparation of sulfo-N-hydroxy succinimide salts
Inventors:
Marty Wilkes, Martin Lee Bremmer
Patented Case
View Patent ↗
Granted: Jun 18, 2002
Filed: Dec 8, 1998
Inventors
Marty Wilkes
Martin Lee Bremmer
Assignee (at issue)
Pierce 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.