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.

Date of Patent:
Apr. 25, 2023

Filed:

Mar. 08, 2018
Applicant:

Rhodia Poliamida E Especialidades SA, Sao Paulo, BR;

Inventors:

Eder Rissi Torres, Campinas, BR;

Edson Leme Rodrigues, Pirassununga, BR;

Victor Ferrão, São Paulo, BR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 41/02 (2006.01); C09K 8/54 (2006.01); C02F 1/68 (2023.01); C09K 8/035 (2006.01); C09K 8/86 (2006.01); C10M 159/12 (2006.01); C02F 101/10 (2006.01); C10N 30/12 (2006.01);
U.S. Cl.
CPC ...
C09K 8/54 (2013.01); C02F 1/683 (2013.01); C09K 8/035 (2013.01); C09K 8/86 (2013.01); C10M 159/12 (2013.01); E21B 41/02 (2013.01); C02F 2101/101 (2013.01); C09K 2208/20 (2013.01); C10N 2030/12 (2013.01);
Abstract

A method of treating a fluid, which method includes the steps of: (a) contacting a fluid containing at least one sulfide with a sulfide-reducing amount of a composition comprising an lignocellulosic liquor comprising one or more lignin-derived compounds and one or more hemicellulose sugar monomers and/or oligomers and (b) allowing the lignocellulosic liquor to react with at least a portion of the sulfide in the fluid.


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