Global Patent Index - EP 1238158 A1

EP 1238158 A1 2002-09-11 - SIZING COMPOSITION

Title (en)

SIZING COMPOSITION

Title (de)

LEIMUNGSZUSAMMENSETZUNG

Title (fr)

COMPOSITION DE COLLAGE

Publication

EP 1238158 A1 (EN)

Application

EP 00987884 A

Priority

  • EP 00987884 A
  • EP 00850026 A
  • SE 0002501 W
  • US 46461999 A

Abstract (en)

[origin: WO0144575A1] The present invention relates to a substantially water-free sizing composition, an aqueous sizing dispersion, the use for sizing or surface sizing paper and board and a process for the production of paper and board. The substantially water-free sizing composition comprises a cellulose reactive sizing agent and an esterified copolymer which is obtainable from a mixture comprising aliphatic olefins and derivatives of unsaturated carboxylic acids. More specifically, the composition comprises an esterified copolymer obtainable form a mixture comprising alpha -olefins and derivatives of alpha , beta -unsaturated dicarboxylic acids.

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

D21H 21/16; D21H 17/72

IPC 8 full level (invention and additional information)

B01F 17/42 (2006.01); D21H 17/15 (2006.01); D21H 17/17 (2006.01); D21H 21/16 (2006.01); D21H 17/16 (2006.01); D21H 17/43 (2006.01)

CPC (invention and additional information)

D21H 17/72 (2013.01); D21H 21/16 (2013.01); D21H 17/16 (2013.01); D21H 17/17 (2013.01); D21H 17/43 (2013.01)

Citation (search report)

See references of WO 0144575A1

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 0144575 A1 20010621; AU 2415501 A 20010625; AU 766353 B2 20031016; BR 0016344 A 20020910; CA 2394557 A1 20010621; CN 1409788 A 20030409; EP 1238158 A1 20020911; JP 2003527493 A 20030916; KR 20020058081 A 20020712; MX PA02005720 A 20020918; NO 20022845 A 20020808; NO 20022845 D0 20020614; PL 355474 A1 20040504; RU 2002118814 A 20040327

INPADOC legal status


2004-05-19 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20031112

2003-01-02 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20021107

2002-09-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20020516

2002-09-11 [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

2002-09-11 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

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