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.

Date of Patent:
Feb. 24, 2015

Filed:

Nov. 19, 2012
Applicant:

Coatex S.a.s., Genay, FR;

Inventors:

Murielle Guillot, Wambrechies, FR;

Olivier Guerret, Pern, FR;

Francois Dupont, Lyons, FR;

Assignee:

Coatex, Genay, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/10 (2006.01); D21H 19/00 (2006.01); C09D 133/10 (2006.01); B05D 3/02 (2006.01); B41M 5/52 (2006.01); D21H 17/66 (2006.01); D21H 19/58 (2006.01);
U.S. Cl.
CPC ...
C09D 133/10 (2013.01); B41M 5/52 (2013.01); D21H 17/66 (2013.01); D21H 19/58 (2013.01); B41M 5/5254 (2013.01); B41M 5/5218 (2013.01); B41M 5/5227 (2013.01);
Abstract

The present invention concerns weakly anionic polymers including their use in paper coatings, especially those intended for paper for inkjet printing. These additives provide the sought thickening function, while improving water retention very appreciably. The invention also concerns a method of manufacture of such coatings, together with the coatings obtained in this manner.


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