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. 01, 2022
Filed:
Jan. 14, 2019
Applicant:
Trican Well Service Ltd, Calgary, CA;
Inventors:
Chuanzhong Wang, Calgary, CA;
Harvey Quintero, Calgary, CA;
Kewei Zhang, Calgary, CA;
Bill O'Neil, Calgary, CA;
Sebastian Sessarego, Calgary, CA;
Assignee:
Trican Well Service Ltd., Calgary, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 3/22 (2006.01); C04B 41/00 (2006.01); E01H 3/00 (2006.01); E21B 41/00 (2006.01); E21F 5/06 (2006.01);
U.S. Cl.
CPC ...
C09K 3/22 (2013.01); C04B 41/009 (2013.01); E01H 3/00 (2013.01); E21B 41/00 (2013.01); E21F 5/06 (2013.01);
Abstract
Compositions and methods of reducing release of fugitive dust from particulate substrates are provided. The method involves applying a composition onto the substrate in an amount effective to reduce dust release and remain effective for an extended period of time, wherein the composition comprises an aqueous medium, a surface modifying agent, and a dispersant.