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. 18, 2020
Filed:
Jun. 26, 2015
Applicant:
Cellucomp Limited, Fife, GB;
Inventors:
Eric Whale, Fife, GB;
David Hepworth, Fife, GB;
Assignee:
CELLUCOMP LIMITED, Fife, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 1/02 (2006.01); C09K 8/20 (2006.01); D21C 1/08 (2006.01);
U.S. Cl.
CPC ...
C08L 1/02 (2013.01); C09K 8/206 (2013.01); D21C 1/08 (2013.01);
Abstract
The invention relates to a composition comprising a plant-derived cellulose particulate material comprising less than 30 wt % extractable glucose; and extractable xylose in an amount of at least 3% of the amount of extractable xylose in the starting plant material, and an agent selected from the group comprising natural ionic polymers or natural non-ionic polymers; synthetic water dispersible polymers, and/or associative thickeners, and its various uses, including as a drilling fluid.