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. 13, 2012

Filed:

Apr. 02, 2009
Applicants:

Ruela Talingting-pabalan, Burlington, NJ (US);

Manilal S. Dahanayake, Princeton Junction, NJ (US);

Gary Woodward, Northwich Cheshire, GB;

Herve Adam, Clarksburg, NJ (US);

Inventors:

Ruela Talingting-Pabalan, Burlington, NJ (US);

Manilal S. Dahanayake, Princeton Junction, NJ (US);

Gary Woodward, Northwich Cheshire, GB;

Herve Adam, Clarksburg, NJ (US);

Assignee:

Rhodia Operations, Aubervilliers, FR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 17/05 (2006.01);
U.S. Cl.
CPC ...
Abstract

Demulsifiers containing an anionic surfactant selected from alkylsulfosuccinates, alkylsulfonates, alkylphosphonic acids, and their salts; a nonionic surfactant selected from ethylene oxide/propylene oxide copolymers, ethoxylated fatty acids of polyethylene glycol, terpene alkoxylates, and modified alkanolamides; or a combination of an anionic and a nonionic surfactant, and methods of use thereof in breaking emulsions.


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