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. 03, 2018
Filed:
Aug. 26, 2014
Applicant:
Dow Corning DO Brasil Limitada, Sao Paulo, BR;
Inventors:
Adalberto Ferrari, Sao Paulo, BR;
Alvaro Luiz Gomes, Sao Paulo, BR;
Felipe Nascimento, Sao Paulo, BR;
Assignee:
Dow Brasil Sudeste Industrial Ltda, Sao Paulo, BR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 19/04 (2006.01); B01D 17/05 (2006.01); B01D 17/04 (2006.01); C10G 33/04 (2006.01); C10G 33/00 (2006.01);
U.S. Cl.
CPC ...
B01D 19/0409 (2013.01); B01D 17/047 (2013.01); C10G 33/04 (2013.01);
Abstract
A reduced foam or reduced foam and water petroleum composition includes crude oil and a preformed antifoam emulsion. The antifoam emulsion includes a hydrophilic continuous phase and a polyorganosiloxane dispersed in the hydrophilic continuous phase. The hydrophilic continuous phase may also contain a demulsifier. The antifoam emulsion includes less than 50 weight percent of a hydrophobic solvent. A method of reducing foam or foam and water in crude oil disposed in a tank is also described.