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:
Jun. 25, 2024
Filed:
Jun. 09, 2020
Applicant:
Rhodia Operations, Lyons, FR;
Inventors:
Stanley Gunawan, The Woodlands, TX (US);
Zhihua Zhang, Singapore, SG;
Shaopeng Zhang, The Woodlands, TX (US);
Igor Pimkov, Spring, TX (US);
Zhenxing Cheng, Shanghai, CN;
Qi Qu, Tomball, TX (US);
Assignee:
RHODIA OPERATIONS, Lyons, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/82 (2006.01); C09K 8/36 (2006.01); C09K 8/60 (2006.01); C09K 8/88 (2006.01); E21B 43/16 (2006.01);
U.S. Cl.
CPC ...
C09K 8/82 (2013.01); C09K 8/36 (2013.01); C09K 8/602 (2013.01); C09K 8/882 (2013.01); E21B 43/16 (2013.01); C09K 2208/28 (2013.01);
Abstract
Water-in-oil emulsions are provided that include an alkyl propylene diamine and an ethoxylated alcohol as the inverting surfactant, which is present in an amount less than 5 percent by weight of the water-in-oil emulsion.