Global Patent Index - EP 1841916 A1

EP 1841916 A1 20071010 - IMPROVED RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER

Title (en)

IMPROVED RETENTION AND DRAINAGE IN THE MANUFACTURE OF PAPER

Title (de)

VERBESSERTE RETENTION UND ENTWÄSSERUNG BEI DER PAPIERHERSTELLUNG

Title (fr)

RETENTION ET EGOUTTAGE AMELIORES DANS LA FABRICATION DE PAPIER

Publication

EP 1841916 A1 20071010 (EN)

Application

EP 05855567 A 20051222

Priority

  • US 2005047032 W 20051222
  • US 69405705 P 20050624
  • US 69405905 P 20050624
  • US 31350305 A 20051221
  • US 64016304 P 20041229
  • US 63989704 P 20041229
  • US 64016604 P 20041229

Abstract (en)

[origin: US2006137843A1] A method of improving retention and drainage in a papermaking process is disclosed. The method provides for the addition of an associative polymer, an inorganic particle and optionally a siliceous material to the papermaking slurry. Additionally, a composition comprising an associative polymer, and an inorganic particle and optionally further comprising cellulose fiber is disclosed.

IPC 8 full level

D21H 21/10 (2006.01)

CPC (source: EP KR)

D21H 21/10 (2013.01 - EP); D21H 21/20 (2013.01 - KR); D21H 17/33 (2013.01 - EP); D21H 17/375 (2013.01 - EP); D21H 17/67 (2013.01 - EP)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DOCDB simple family (publication)

US 2006137843 A1 20060629; AU 2005322032 A1 20060706; BR PI0519458 A2 20090127; CA 2592262 A1 20060706; EP 1841916 A1 20071010; JP 2008525667 A 20080717; KR 20070111461 A 20071121; MX 2007007904 A 20070820; TW 200630516 A 20060901; WO 2006071853 A1 20060706

DOCDB simple family (application)

US 31350305 A 20051221; AU 2005322032 A 20051222; BR PI0519458 A 20051222; CA 2592262 A 20051222; EP 05855567 A 20051222; JP 2007549543 A 20051222; KR 20077017373 A 20070727; MX 2007007904 A 20051222; TW 94147059 A 20051228; US 2005047032 W 20051222