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. 19, 2018
Filed:
Jul. 24, 2015
S.p.c.m. SA, Andrezieux Boutheon, FR;
Pierrick Cheucle, Saint Romain le Puy, FR;
S.P.C.M. SA, Andrezieux Boutheon, FR;
Abstract
This invention relates to a water-soluble polymer in bead or powder form, characterized in that it has a Brookfield viscosity greater than 100 cps, and in that it is obtained by inverse suspension or inverse emulsion polymerization, in the presence of a transfer agent, of monomers where less than 20 mol % is made up of a hydroxyalkyl monomer with formula HC═CRR, Rbeing a hydrogen atom or a methyl group and Rbeing a hydrocarbon group containing at least one OH pendant group or at least one epoxide group and optionally at least one N or O heteroatom in the hydrocarbon chains; Rbeing different from the C(═O)—OH group.