EP 4259671 A1 20231018 - COPOLYMER HAVING VISCOELASTIC AND SUSPENSIVE PROPERTIES

Title (en)

COPOLYMER HAVING VISCOELASTIC AND SUSPENSIVE PROPERTIES

Title (de)

COPOLYMER MIT VISKOELASTISCHEN UND AUFTRIEBFÄHIGEN EIGENSCHAFTEN

Title (fr)

COPOLYMÈRE VISCOÉLASTIQUE ET SUSPENSIF

Publication

EP 4259671 A1 20231018 (FR)

Application

EP 21835343 A 20211207

Priority

FR 2012936 A 20201209
FR 2021000143 W 20211207

Abstract (en)

[origin: WO2022123127A1] The invention provides a crosslinked, sulphonated, acrylic copolymer P, prepared from at least four monomers and in the absence of methacrylic acid. The invention also comprises the preparation of an aqueous composition C having viscoelastic and suspensive properties and comprising said copolymer P.

IPC 8 full level

C08F 220/18 (2006.01); A61K 8/81 (2006.01); A61Q 3/02 (2006.01); C04B 24/16 (2006.01); C04B 26/02 (2006.01); C09D 133/08 (2006.01); C04B 103/00 (2006.01); C04B 111/00 (2006.01)

CPC (source: EP KR US)

A61K 8/8147 (2013.01 - EP KR); A61K 8/8152 (2013.01 - EP KR); A61K 8/8188 (2013.01 - EP KR); A61Q 3/02 (2013.01 - EP KR); C04B 24/163 (2013.01 - EP KR); C04B 24/165 (2013.01 - EP); C04B 26/02 (2013.01 - EP KR); C08F 2/22 (2013.01 - EP KR); C08F 220/06 (2013.01 - US); C08F 220/10 (2013.01 - US); C08F 220/1802 (2020.02 - EP KR); C08K 5/42 (2013.01 - US); C09D 133/08 (2013.01 - EP KR); C04B 2103/0062 (2013.01 - EP); C04B 2103/0065 (2013.01 - EP); C04B 2111/00482 (2013.01 - EP); C08F 220/06 (2013.01 - KR); C08F 220/286 (2020.02 - KR); C08F 220/585 (2020.02 - KR); C08F 222/102 (2020.02 - KR)

C-Set (source: EP)

Citation (search report)

See references of WO 2022123127A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

FR 3117116 A1 20220610; FR 3117116 B1 20231229; CN 116635493 A 20230822; EP 4259671 A1 20231018; KR 20230117748 A 20230809; MX 2023005400 A 20230519; US 2024010775 A1 20240111; WO 2022123127 A1 20220616

DOCDB simple family (application)

FR 2012936 A 20201209; CN 202180082246 A 20211207; EP 21835343 A 20211207; FR 2021000143 W 20211207; KR 20237023228 A 20211207; MX 2023005400 A 20211207; US 202118253992 A 20211207