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:
Aug. 28, 2012
Filed:
Dec. 14, 2011
Applicants:
Karine Karagianni, Paris, FR;
Marie-pierre Labeau, Burlington, NJ (US);
Elise Deblock, Paris, FR;
Inventors:
Assignee:
Rhodia Chimie, Aubervilliers, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/22 (2006.01); C09K 8/24 (2006.01); C09K 8/00 (2006.01); C09K 8/16 (2006.01); E21B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Drilling fluids comprising polymers containing hydroxylated structural units are useful as accretion inhibiting agents, and/or as fluid rheology controlling agents, and/or as filtrate reducing agents, and/or as lubricating agents.