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:
Jul. 21, 2026
Filed:
Dec. 07, 2020
Société D'exploitation DE Produits Pour Les Industries Chimiques Seppic, Paris Cedex, FR;
Miruna Bodoc, Castres, FR;
Aurelie Colas, La Garenne Colombes, FR;
Abstract
Disclosed is a self-invertible inverse latex comprising an aqueous phase containing: a) a crosslinked anionic polyelectrolyte (P) including:—at least one first monomer unit derived from 2-methyl-2-[(1-oxo-2-propenyl) amino] 1-propanesulfonic acid in the form of a free or partially or totally salified acid;—at least one second monomer unit derived from at least one monomer selected from the elements of the group consisting of acrylic acid, methacrylic acid, 2-carboxyethyl acrylic acid, itaconic acid, maleic acid, 3-methyl 3-[(1-oxo-2-propenyl) amino] butanoic acid, the carboxylic function of said monomers being in the free, partially salified or totally salified acid form; and—at least one third monomer unit derived from a polyethylenic crosslinking monomer (AR); b) ethylenediamine disuccinic acid in the form of trisodium salt.