The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 13, 2001

Filed:

Apr. 08, 1999
Applicant:
Inventors:

Michael D. Gernon, Montgomery, PA (US);

Nicholas M. Martyak, Doylestown, PA (US);

Martin Nosowitz, Chester, PA (US);

Gary S. Smith, Upper Providence Township, Montgomery County, PA (US);

Assignee:

ATOFINA Chemicals, Inc., Philadelphia, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25B 3/00 ; C25C 1/00 ; C25C 1/20 ; C25C 1/10 ; C07C / ;
U.S. Cl.
CPC ...
C25B 3/00 ; C25C 1/00 ; C25C 1/20 ; C25C 1/10 ; C07C / ;
Abstract

A procedure for the generation of organosulfonic acids from solutions of corresponding metal organosulfonate compounds by electrowinning, electrolytically driven hydrolysis or chemically driven hydrolysis is described. Appropriate organosulfonate compounds include the water soluble salts of alkanesulfonic and aromatic sulfonic acids which incorporate metals from Group VIB, VIIB, VIIIB, IB, IIB or VA of the periodic table. The electrowinning and electrolytic techniques described can be applied in divided or undivided cells and can be operated in continuous fashion to provide the greatest efficiency. Hydrolysis based methods can employ either anodic oxidation or oxidation both of which function to oxidize the metal cation(s) present to hydrolytically unstable higher oxidation states.


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