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:
Sep. 22, 2015

Filed:

Jul. 21, 2008
Applicants:

Bei Yin, Buffalo Grove, IL (US);

Jingjun Yang, Round Lake, IL (US);

Pierre Marie Lenoir, Richterswil, CH;

Inventors:

Bei Yin, Buffalo Grove, IL (US);

Jingjun Yang, Round Lake, IL (US);

Pierre Marie Lenoir, Richterswil, CH;

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 173/00 (2006.01); A01N 57/20 (2006.01); C02F 1/50 (2006.01); C09D 5/14 (2006.01); C10M 141/10 (2006.01); C02F 5/00 (2006.01);
U.S. Cl.
CPC ...
C10M 173/00 (2013.01); A01N 57/20 (2013.01); C02F 1/50 (2013.01); C09D 5/14 (2013.01); C10M 141/10 (2013.01); C02F 5/00 (2013.01); C02F 2301/08 (2013.01); C02F 2303/08 (2013.01); C10M 2207/08 (2013.01); C10M 2215/16 (2013.01); C10M 2215/202 (2013.01); C10M 2215/22 (2013.01); C10M 2215/225 (2013.01); C10M 2219/104 (2013.01); C10M 2223/06 (2013.01); C10N 2230/16 (2013.01); C10N 2240/40 (2013.01);
Abstract

The present invention provides methods and formulations for reducing or inhibiting increase in the concentration of microbes in a water-based fluid. The methods and formulations of the present invention use an oxazolidine compound and a hydroxymethyl-substituted phosphorus compound selected from the group consisting of tetrakis(hydroxymethyl)phosphonium salts, C-Calkyl- and alkenyltris(hydroxymethyl)phosphonium salts and tris(hydroxymethyl)phosphine. The methods and formulations of the present invention can be useful in treating water contaminated with aerobic or anaerobic bacteria in oilfield and other industrial applications.


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