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:
Jun. 02, 2026
Filed:
Nov. 30, 2020
Arkema France, Colombes, FR;
Aline Couffin, Lacq, FR;
Philippe Hajji, Pierre-Benite Cedex, FR;
Alexandre Vermogen, Pierre-Benite Cedex, FR;
Elisabeth Bay, Lacq, FR;
Jean-Claude Saint-Martin, Lacq, FR;
Vinciane Chartois, Pierre-Benite Cedex, FR;
ARKEMA FRANCE, Puteaux, FR;
Abstract
The present invention relates to a composition comprising a multistage polymer and a (meth)acrylic polymer in form of a porous polymer powder, its process of preparation and its use. The present invention also relates to a composition in form of a porous polymer powder comprising a multistage polymer in form of polymeric particles made by a multistage process and a (meth)acrylic polymer, while the (meth)acrylic polymer possesses a medium molecular weight. The present invention further relates to polymer composition in form of a porous polymer powder comprising polymeric particles made by a multistage process comprising at least two stages and a (meth)acrylic polymer, its process of preparation, its use and compositions and articles comprising it.