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:
Nov. 24, 2020
Filed:
Mar. 06, 2019
Applicant:
Rhodia Operations, Paris, FR;
Inventors:
Laurianne Timbart, Bensalem, PA (US);
Gilda Lizarraga, Chesterfield, NJ (US);
Gary Woodward, Northwick, GB;
Subramanian Kesavan, East Windsor, NJ (US);
David James Wilson, Coye la Forte, FR;
Assignee:
RHODIA OPERATIONS, Aubervilliers, FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B 37/00 (2006.01); C09K 8/90 (2006.01); C09K 8/68 (2006.01); C08L 5/00 (2006.01); C09K 8/588 (2006.01); C09K 8/035 (2006.01); C09K 8/40 (2006.01); C09K 8/52 (2006.01); C09K 8/62 (2006.01); C09K 8/74 (2006.01); E21B 43/26 (2006.01); C09K 8/60 (2006.01);
U.S. Cl.
CPC ...
C08B 37/00 (2013.01); C08B 37/0096 (2013.01); C08L 5/00 (2013.01); C09K 8/035 (2013.01); C09K 8/40 (2013.01); C09K 8/52 (2013.01); C09K 8/588 (2013.01); C09K 8/62 (2013.01); C09K 8/68 (2013.01); C09K 8/74 (2013.01); C09K 8/90 (2013.01); C09K 8/905 (2013.01); E21B 43/26 (2013.01); C09K 8/602 (2013.01); C09K 8/605 (2013.01); C09K 2208/00 (2013.01); C09K 2208/20 (2013.01);
Abstract
Products and processes that are related to phosphonated polysaccharide compositions, including phosphonated polysaccharide gels, having a substituent degree of substitution with a lower limit of 0.02 and an upper limit of 3, and having a weight average molecular weight with an upper limit of 5,000,000 g/mole, as well as to oil field application or fracturing fluid compositions comprising such phosphonated polysaccharide compositions.