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:
Mar. 08, 2016
Filed:
Sep. 28, 2012
Applicant:
Kemira Oyj, Helsinki, FI;
Inventors:
Assignee:
KEMIRA OYJ, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N 25/02 (2006.01); C02F 1/50 (2006.01); A01N 65/00 (2009.01); A61Q 17/00 (2006.01); A01N 59/16 (2006.01); D21H 21/36 (2006.01); C02F 103/28 (2006.01);
U.S. Cl.
CPC ...
C02F 1/50 (2013.01); A01N 59/16 (2013.01); A01N 65/00 (2013.01); A61Q 17/005 (2013.01); D21H 21/36 (2013.01); C02F 1/505 (2013.01); C02F 2103/28 (2013.01);
Abstract
The invention relates to biocidal systems comprising zinc ions and an oxidizing or non-oxidizing biocide, their use, and methods for preventing or decreasing starch degradation in starch-containing process waters from pulp, paper or board production processes.