Granted Patent
Utility
US 5,315,009 · App. 08/031,712
Preparation of isothiazolinones from disulphides and disulphides from isothiazolinones
Inventors:
Peter W. Austin, Neville Tyreman
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Mar 15, 1993
Inventors
Peter W. Austin
Neville Tyreman
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.