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. 06, 2018
Filed:
Dec. 31, 2014
Applicant:
Ecolab Usa Inc., St. Paul, MN (US);
Inventors:
Amit Gupta, Aurora, IL (US);
Harshada Lohokare, Maharashtra, IN;
Assignee:
ECOLAB USA INC., St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B01D 65/08 (2006.01); C02F 1/72 (2006.01); C02F 1/70 (2006.01); C02F 1/469 (2006.01); C02F 1/44 (2006.01); C02F 1/76 (2006.01); C02F 103/08 (2006.01);
U.S. Cl.
CPC ...
C02F 1/722 (2013.01); B01D 65/08 (2013.01); B01D 2321/02 (2013.01); B01D 2321/162 (2013.01); B01D 2321/168 (2013.01); C02F 1/44 (2013.01); C02F 1/4693 (2013.01); C02F 1/4695 (2013.01); C02F 1/70 (2013.01); C02F 1/76 (2013.01); C02F 2103/08 (2013.01); C02F 2303/04 (2013.01); C02F 2303/185 (2013.01); C02F 2303/20 (2013.01);
Abstract
The invention provides methods and compositions for the protection of a membrane from both biofouling and from damage caused by a biocide. The invention utilizes PAA as both a biocide and as a reducing agent for other oxidizing biocides. This is especially beneficial because without the invention one would be forced to choose between preventing membrane biofouling or preventing membrane damage from oxidizing biocides.