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. 17, 2026
Filed:
Apr. 23, 2020
Arkema France, Colombes, FR;
Clement Bazin, Verneuil en Halatte, FR;
Patricia Beurdeley, Colombes Cedex, FR;
Frederic Lefevre, Verneuil en Halatte, FR;
Fatoumata Camara, Verneuil en Halatte, FR;
Chantal Roidot, Colombes Cedex, FR;
Arkema France, Puteaux, FR;
Abstract
The invention relates to an aqueous polymer dispersion, with said polymer comprising, in its structure, monomer units incorporated from a composition of monomers comprising: a) at least one (meth)acrylic monomer which is a C-C(meth)acrylic ester, without any ionic group, b) at least one ethylenically unsaturated monomer carrying at least one carboxylic acid group, c) at least one ethylenically unsaturated monomer carrying a tertiary amine, and with said polymer additionally carrying grafted blocked silane groups in the —Si(OR)or —Si—R(OR)or —Si—(R)(OR), with R, Rbeing an identical or different Cto Calkyl, and with said grafted blocked silane groups being incorporated by at least one or two routes or their combination. The invention also relates to a coating composition comprising said dispersion of the invention and to its use for aqueous protective coating compositions for wood.