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:
Apr. 18, 2023
Filed:
Apr. 08, 2020
Applicant:
Snf Group, Andrezieux Boutheon, FR;
Inventors:
René Hund, Andrezieux Boutheon, FR;
Gatien Faucher, Andrezieux Boutheon, FR;
Damien Fougerouse, Andrezieux Boutheon, FR;
Assignee:
SNF GROUP, Andrezieux Boutheon, FR;
Primary Examiner:
Int. Cl.
CPC ...
C08F 220/56 (2006.01); C08F 8/28 (2006.01); C08F 220/44 (2006.01); D21H 17/37 (2006.01); D21H 17/49 (2006.01);
U.S. Cl.
CPC ...
C08F 220/56 (2013.01); C08F 8/28 (2013.01); C08F 220/44 (2013.01); D21H 17/375 (2013.01); D21H 17/49 (2013.01);
Abstract
This invention relates to an additive based on (co)polymers resulting from the reaction between at least one dialdehyde compound and at least one complex (co)polymer obtained by polymerization of water-soluble monomers in the presence of at least one host (co)polymer comprising vinylamine functions.