Global Patent Index - EP 1257709 A1

EP 1257709 A1 2002-11-20 - METHOD FOR USING HYDROPHOBICALLY ASSOCIATIVE POLYMERS IN PREPARING CELLULOSIC FIBER COMPOSITIONS, AND CELLULOSIC FIBER COMPOSITIONS INCORPORATING THE HYDROPHOBICALLY ASSOCIATIVE POLYMERS

Title (en)

METHOD FOR USING HYDROPHOBICALLY ASSOCIATIVE POLYMERS IN PREPARING CELLULOSIC FIBER COMPOSITIONS, AND CELLULOSIC FIBER COMPOSITIONS INCORPORATING THE HYDROPHOBICALLY ASSOCIATIVE POLYMERS

Title (de)

VERWENDUNG VON HYDROPHOB ASSOZIIERENDEN POLYMEREN ZUR HERSTELLUNG VON CELLULOSEFASERZUSAMMENSETZUNGEN UND HYDROPHOB ASSOZIIERENDEN POLYMEREN ENTHALTENDE CELLULOSEFASERZUSAMMENSETZUNGEN

Title (fr)

PROCEDE D'UTILISATION DE POLYMERES ASSOCIATIFS RENDUS HYDROPHOBES DANS LA PREPARATION DE COMPOSITIONS DE FIBRES CELLULOSIQUES ET COMPOSITIONS DE FIBRES CELLULOSIQUES CONTENANT LES POLYMERES ASSOCIATIFS RENDUS HYDROPHOBES

Publication

EP 1257709 A1 (EN)

Application

EP 00980943 A

Priority

  • US 0032820 W
  • US 45502799 A

Abstract (en)

[origin: WO0140578A1] A papermaking method and a composition which utilize, as a drainage aid, a water soluble hydrophobically associative polymer which is a copolymer prepared from monomers which include a hydrophobic ethylenically unsaturated monomer, and one or more of a nonionic ethylenically unsaturated monomer, a cationic ethylenically unsaturated monomer, and an anionic ethylenically unsaturated monomer.

IPC 1-7 (main, further and additional classification)

D21H 21/10; D21H 17/37; D21H 17/42

IPC 8 full level (invention and additional information)

C08L 33/06 (2006.01); C08L 97/02 (2006.01); C08L 101/00 (2006.01); D21H 17/37 (2006.01); D21H 21/10 (2006.01); D21H 17/42 (2006.01); D21H 17/44 (2006.01)

CPC (invention and additional information)

D21H 21/10 (2013.01); D21H 17/37 (2013.01); D21H 17/375 (2013.01); D21H 17/42 (2013.01); D21H 17/44 (2013.01)

Citation (search report)

See references of WO 0140578A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

EPO simple patent family

WO 0140578 A1 20010607; AR 026734 A1 20030226; AU 1813801 A 20010612; BR 0016160 A 20021224; CA 2390353 A1 20010607; CN 1408039 A 20030402; EP 1257709 A1 20021120; JP 2003517104 A 20030520; KR 20020058086 A 20020712; MX PA02005108 A 20021209; PL 366291 A1 20050124; RU 2002114071 A 20040327; US 2002053413 A1 20020509; ZA 200205443 B 20031231

INPADOC legal status


2003-01-22 [R18W] APPLICATION WITHDRAWN (CORRECTION)

- Effective date: 20021118

2003-01-15 [D18W] WITHDRAWAL (DELETED)

2003-01-08 [18W] APPLICATION WITHDRAWN

- Date of withdrawal: 20021118

2002-11-20 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020606

2002-11-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

2002-11-20 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO:

- Free text: AL;LT;LV;MK;RO;SI