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.
Patent No.:
Date of Patent:
Nov. 10, 2020
Filed:
Jun. 01, 2017
Applicant:
Stepan Company, Northfield, IL (US);
Inventor:
Nattaporn Lohitharn, Chantilly, VA (US);
Assignee:
Stepan Company, Northfield, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07H 1/06 (2006.01); C07H 15/04 (2006.01); B01F 17/00 (2006.01);
U.S. Cl.
CPC ...
C07H 1/06 (2013.01); B01F 17/0021 (2013.01); C07H 15/04 (2013.01);
Abstract
Provided is a method for decolorizing and optionally neutralizing a rhamnolipid composition comprising treating said composition with a percarbonate salt as well as the decolorized and optionally neutralized composition obtainable therefrom. Also provided is a method for improving the quality of wastewater generated during said method.