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:
Feb. 05, 2019
Filed:
May. 02, 2016
Applicant:
Baker Hughes Incorporated, Houston, TX (US);
Inventors:
Mary Jane Legaspi Felipe, Sugar Land, TX (US);
Khac Truc Nguyen, Houston, TX (US);
Sidney A. Dunn, Lake Charles, LA (US);
Assignee:
Baker Hughes, a GE company, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/32 (2006.01); C02F 5/14 (2006.01); C02F 5/12 (2006.01); C02F 5/10 (2006.01); C08L 35/00 (2006.01);
U.S. Cl.
CPC ...
C08L 23/32 (2013.01); C02F 5/105 (2013.01); C02F 5/125 (2013.01); C02F 5/145 (2013.01); C02F 2303/22 (2013.01); C02F 2305/04 (2013.01);
Abstract
Dispersions of coal ash in water can be inhibited or prevented from scaling and simultaneously be inhibited or prevented from fouling by introducing thereto an additive blend that includes an anionic water-soluble polymer and a second polymer different from the anionic water-soluble polymer, where the second polymer is selected from the group consisting of copolymers and terpolymers having a plurality of hydrophobic groups.