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. 12, 2019
Filed:
Mar. 18, 2014
Applicant:
Elkem As, Oslo, NO;
Inventors:
Mohamed Al-Bagoury, Kristiansand, NO;
Arianeh Aamodt, Kristiansand, NO;
Assignee:
ELKEM ASA, Oslo, NO;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 8/32 (2006.01); C09K 8/588 (2006.01); C09K 8/44 (2006.01); C09K 8/64 (2006.01); C09K 8/40 (2006.01); C08B 15/02 (2006.01); C09K 8/035 (2006.01); D21H 11/18 (2006.01); C09K 8/68 (2006.01); C09K 8/88 (2006.01); C08L 1/04 (2006.01); C09K 8/487 (2006.01); C09K 8/502 (2006.01); C09K 8/512 (2006.01); C09K 8/82 (2006.01); C09K 8/90 (2006.01); C04B 28/02 (2006.01); C04B 103/00 (2006.01);
U.S. Cl.
CPC ...
C09K 8/32 (2013.01); C04B 28/02 (2013.01); C08B 15/02 (2013.01); C08L 1/04 (2013.01); C09K 8/035 (2013.01); C09K 8/40 (2013.01); C09K 8/44 (2013.01); C09K 8/487 (2013.01); C09K 8/502 (2013.01); C09K 8/512 (2013.01); C09K 8/588 (2013.01); C09K 8/64 (2013.01); C09K 8/685 (2013.01); C09K 8/82 (2013.01); C09K 8/887 (2013.01); C09K 8/90 (2013.01); D21H 11/18 (2013.01); C04B 2103/0062 (2013.01); C09K 2208/08 (2013.01); C09K 2208/10 (2013.01);
Abstract
The present invention comprises a viscosifier for oil well fluids, said viscosifier comprising a cross-linked micro- or nano-fibrillated cellulose (MFC).