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:
Jul. 19, 2011
Filed:
Sep. 20, 2007
Austen K. Flatt, Sugar Land, TX (US);
Austen K. Flatt, Sugar Land, TX (US);
Nalco Company, Naperville, IL (US);
Abstract
A composition comprising one or more siloxane cross-linked demulsifiers wherein said siloxane cross-linked demulsifiers are prepared by reacting one or more alkylphenol-formaldehyde resin alkoxylates, one or more polyalkylene glycols, or a mixture thereof, with up to about 1.0 molar equivalents of one or more silicon-based cross-linkers of formula RRRRSi wherein R, R, R, R, Rand Rare independently selected from H, Cl, C-Calkyl and C-Calkoxy; R. is selected from H, Cl, C-Calkyl, C-Calkoxy and a group of formula LSiRRR; Lis absent or is selected from —O—, arylene and C-Calkylene, optionally interrupted by one or more —O— or —N(R)—; and Ris H or C-Calkyl and a method of using the demulsifier composition to resolve water-in-oil emulsions.