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:
Mar. 16, 2010

Filed:

Oct. 29, 2007
Applicants:

Paul Daniel Berger, Sugar Land, TX (US);

Christie H Berger, Sugar Land, TX (US);

Guohua Cao, Missouri City, TX (US);

Oliver S Hsu, Missouri City, TX (US);

Inventors:

Paul Daniel Berger, Sugar Land, TX (US);

Christie H Berger, Sugar Land, TX (US);

Guohua Cao, Missouri City, TX (US);

Oliver S Hsu, Missouri City, TX (US);

Assignee:

Other;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 303/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention discloses a process for producing light colored polyalkylated arylalkyl sulfonic acids. The polyalkylated arylalkyl sulfonic acids may be further neutralized with alkalis or amines to form the corresponding light colored sulfonated salts. The present invention also makes manufacture of polyalkylated arylalkyl sulfonic acids possible as first intent products using an inexpensive and simple reaction. The structure of the polyalkylated arylalkyl sulfonic acids produced using the process described in the present invention is shown below:


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