Global Patent Index - EP 0672213 B1

EP 0672213 B1 19970205 - PROCESS FOR THE PREPARATION OF A HYDROPHOBIC SIZING AGENT DISPERSION

Title (en)

PROCESS FOR THE PREPARATION OF A HYDROPHOBIC SIZING AGENT DISPERSION

Title (de)

VERFAHREN ZUR HERSTELLUNG VON EINEM HYDROPHOBEN LEIMUNGSMITTEL

Title (fr)

PROCEDE DE PREPARATION D'UNE DISPERSION D'AGENT D'ENCOLLAGE HYDROFUGE

Publication

EP 0672213 B1 19970205 (EN)

Application

EP 94900166 A 19931115

Priority

  • FI 9300481 W 19931115
  • FI 925535 A 19921204

Abstract (en)

[origin: WO9413883A1] The present invention relates to a process for the preparation of hydrophobic sizing agent dispersions used in the paper and board industry. The invention is both a simple and an economical way of preparing a hydrophobic sizing agent dispersion either in the premises of a sizing agent supplier or a paper maker. The invention is based on a usage of a so-called high-pressure digester in the preparation of a hydrophobic sizing agent dispersion.

IPC 1-7

D21H 21/16; D21H 17/17

IPC 8 full level

D21H 17/15 (2006.01); D21H 17/17 (2006.01); D21H 21/16 (2006.01)

CPC (source: EP)

D21H 17/15 (2013.01); D21H 17/17 (2013.01); D21H 21/16 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IE IT LI NL PT SE

DOCDB simple family (publication)

WO 9413883 A1 19940623; AT E148752 T1 19970215; AU 5466894 A 19940704; CN 1050165 C 20000308; CN 1089276 A 19940713; DE 69308035 D1 19970320; DE 69308035 T2 19970828; EP 0672213 A1 19950920; EP 0672213 B1 19970205; FI 925535 A0 19921204; FI 925535 A 19940605; FI 94535 B 19950615; FI 94535 C 19970408; TW 281637 B 19960721; ZA 938796 B 19940630

DOCDB simple family (application)

FI 9300481 W 19931115; AT 94900166 T 19931115; AU 5466894 A 19931115; CN 93121599 A 19931204; DE 69308035 T 19931115; EP 94900166 A 19931115; FI 925535 A 19921204; TW 82109838 A 19931123; ZA 938796 A 19931124