Global Patent Index - EP 1774095 B1

EP 1774095 B1 20090415 - ACRYLIC AND PARA-ARAMID PULP AND PROCESSES OF MAKING SAME

Title (en)

ACRYLIC AND PARA-ARAMID PULP AND PROCESSES OF MAKING SAME

Title (de)

ACRYL- UND PARAARAMID-PULPE UND VERFAHREN ZU DEREN HERSTELLUNG

Title (fr)

PATE A BASE DE FIBRES ACRYLIQUES ET PARA-ARAMIDES ET PROCEDES DE FABRICATION DE CETTE DERNIERE

Publication

EP 1774095 B1 20090415 (EN)

Application

EP 05766040 A 20050616

Priority

  • US 2005021342 W 20050616
  • US 87784304 A 20040625

Abstract (en)

[origin: US2005287344A1] The present invention relates to acrylic and para-aramid pulp for use as reinforcement material in products such as seals and friction materials. The pulp comprises (a) irregularly shaped, acrylic fibrous structures, (b) irregularly shaped, para-aramid fibrous structures, and (c) water, whereby acrylic fibrils and/or stalks are substantially entangled with para-aramid fibrils and/or stalks. The invention further relates to processes for making such acrylic and aramid pulp.

IPC 8 full level

D21H 13/18 (2006.01); D04H 5/00 (2006.01); D21H 13/26 (2006.01)

CPC (source: EP KR US)

D21H 5/205 (2013.01 - KR); D21H 13/18 (2013.01 - EP US); D21H 13/26 (2013.01 - EP KR US); Y10T 428/249924 (2015.04 - EP US)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

US 2005287344 A1 20051229; BR PI0512484 A 20080304; CA 2568016 A1 20060202; CA 2568016 C 20130319; CN 1973085 A 20070530; CN 1973085 B 20100512; DE 602005013966 D1 20090528; EP 1774095 A1 20070418; EP 1774095 B1 20090415; JP 2008503660 A 20080207; JP 5209303 B2 20130612; KR 100864357 B1 20081017; KR 100917963 B1 20090921; KR 20070030227 A 20070315; KR 20080092979 A 20081016; MX PA06014287 A 20070219; WO 2006012040 A1 20060202

DOCDB simple family (application)

US 87784304 A 20040625; BR PI0512484 A 20050616; CA 2568016 A 20050616; CN 200580020861 A 20050616; DE 602005013966 T 20050616; EP 05766040 A 20050616; JP 2007518131 A 20050616; KR 20067027086 A 20061222; KR 20087021414 A 20080901; MX PA06014287 A 20050616; US 2005021342 W 20050616