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:
Apr. 21, 2020
Filed:
Jun. 08, 2016
Applicant:
M-i L.l.c., Houston, TX (US);
Inventors:
Pradyumna Avinash Deshpande, Houston, TX (US);
Chandrashekhar Yeshwant Khandekar, Katy, TX (US);
Assignee:
M-I L.L.C., Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 8/524 (2006.01); C08F 279/02 (2006.01); C09K 8/035 (2006.01); C08F 8/32 (2006.01);
U.S. Cl.
CPC ...
C09K 8/524 (2013.01); C08F 8/32 (2013.01); C08F 279/02 (2013.01); C09K 8/035 (2013.01);
Abstract
A wellbore fluid treatment may include a compound formed from reaction between cyclic anhydride pendant groups on a polymer backbone with at least one amino acid, neutralized with a nitrogen containing compound. Methods may include injecting such a compound into a hydrogen production stream. Other methods may include reacting polybutadiene grafted maleic anhydride with at least one amino acid to produce an intermediate; and reacting the intermediate with an amide, amine, or imidazoline having at least a C4-C24 group to produce a compound.