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:
Sep. 25, 2012
Filed:
Jan. 19, 2010
Applicants:
Laura E. Rice, Oak Park, IL (US);
Andrew J. Cooper, Oswego, IL (US);
Robert L. Wetegrove, Winfield, IL (US);
Michael V. Enzien, Lisle, IL (US);
Inventors:
Laura E. Rice, Oak Park, IL (US);
Andrew J. Cooper, Oswego, IL (US);
Robert L. Wetegrove, Winfield, IL (US);
Michael V. Enzien, Lisle, IL (US);
Assignee:
Nalco Company, Naperville, IL (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01N 59/08 (2006.01); A01N 47/28 (2006.01); A61L 2/18 (2006.01); D06L 3/00 (2006.01); D21C 9/08 (2006.01); C01B 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composition for anti-microbial effect in a water system such as a pulp and paper processing line with an aqueous slurry. The composition comprises a free chlorine-generating biocide comprising a chlorine source, urea, and an alkali in a concentration sufficient to provide a pH greater than 10, and typically at least pH 11.