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:
Aug. 08, 2017
Filed:
Jan. 15, 2015
Applicant:
S.p.c.m. SA, Andrezieux Boutheon, FR;
Inventors:
Assignee:
S.P.C.M. SA, Andrezieux Boutheon, FR;
Primary Examiner:
Int. Cl.
CPC ...
D21H 21/06 (2006.01); C08F 8/44 (2006.01); C08F 8/00 (2006.01); D21H 17/45 (2006.01); D21H 21/10 (2006.01); D21H 21/18 (2006.01); C08L 39/00 (2006.01);
U.S. Cl.
CPC ...
C08F 8/44 (2013.01); C08F 8/00 (2013.01); C08L 39/00 (2013.01); D21H 17/455 (2013.01); D21H 21/06 (2013.01); D21H 21/10 (2013.01); D21H 21/18 (2013.01); C08F 2800/10 (2013.01); C08L 2201/54 (2013.01);
Abstract
The present invention relates to a process for the preparation of an aqueous polymer solution containing at least one cationic or amphoteric (co)polymer, comprising the following steps: The invention also concerns the use of this polymer solution as a flocculant, retention and/or drainage agent, and dry strength resistance in a paper manufacturing process.