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:
May. 30, 2017
Filed:
May. 26, 2015
Applicant:
Nalco Company, Naperville, IL (US);
Inventor:
Duy T. Nguyen, Sugar Land, TX (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G 33/04 (2006.01); C09K 8/588 (2006.01); B01D 17/04 (2006.01);
U.S. Cl.
CPC ...
C09K 8/588 (2013.01); B01D 17/047 (2013.01); C10G 33/04 (2013.01);
Abstract
Disclosed and claimed is a method of demulsifying an emulsion comprising water and oil. The method comprises adding an effective amount of a composition comprising at least one substantially fully quaternized ammonium adduct of polyephalohydrin that has a molecular weight from about 500 Da to about 2,500 Da.