EP 1492924 A2 20050105 - WHITE PITCH DEPOSIT TREATMENT
Title (en)
WHITE PITCH DEPOSIT TREATMENT
Title (de)
BEHANDLUNG GEGEN IM WASSER UNLÖSLICHE KLEBENDE VERUNREINIGUNGEN (WHITE PITCH)
Title (fr)
TRAITEMENT DU DEPOT DE LA POIX BLANCHE
Publication
Application
Priority
- EP 0303487 W 20030403
- US 37065302 P 20020408
Abstract (en)
[origin: WO03085199A2] The present invention relates to a deposit control system, consisting of an inorganic or organic (natural or synthesized) coagulant and a microparticulate material (synthetic or naturally-occurring) such as bentonite clay, cross-linked polymer, colloidal silica, polysilicate, for pulp containing white pitch/stickies.
IPC 1-7
IPC 8 full level
D21C 9/08 (2006.01); D21H 11/14 (2006.01); D21H 17/45 (2006.01); D21H 17/67 (2006.01); D21H 21/02 (2006.01); D21H 23/76 (2006.01); D21H 17/44 (2006.01); D21H 17/54 (2006.01); D21H 17/56 (2006.01); D21H 17/66 (2006.01); D21H 17/68 (2006.01)
CPC (source: EP KR US)
D21H 21/02 (2013.01 - EP KR US); D21H 23/76 (2013.01 - KR); D21H 23/765 (2013.01 - EP US); D21H 11/14 (2013.01 - EP US); D21H 17/455 (2013.01 - EP US); D21H 17/56 (2013.01 - EP US); D21H 17/66 (2013.01 - EP US); D21H 17/68 (2013.01 - EP US)
Citation (search report)
See references of WO 03085199A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 03085199 A2 20031016; WO 03085199 A3 20040205; AR 039246 A1 20050216; AU 2003219127 A1 20031020; AU 2003219127 B2 20081002; BR 0309147 A 20050125; CA 2481447 A1 20031016; CA 2481447 C 20111122; CN 100379923 C 20080409; CN 1646768 A 20050727; EP 1492924 A2 20050105; JP 2005522590 A 20050728; KR 20040106329 A 20041217; MX PA04009754 A 20041213; MY 140933 A 20100212; NO 20044786 L 20041103; NZ 535664 A 20050826; RU 2004132854 A 20050827; RU 2309210 C2 20071027; TW 200304977 A 20031016; TW I292790 B 20080121; US 2005173088 A1 20050811; ZA 200407534 B 20060531
DOCDB simple family (application)
EP 0303487 W 20030403; AR P030101171 A 20030404; AU 2003219127 A 20030403; BR 0309147 A 20030403; CA 2481447 A 20030403; CN 03807678 A 20030403; EP 03714918 A 20030403; JP 2003582361 A 20030403; KR 20047015960 A 20030403; MX PA04009754 A 20030403; MY PI20031253 A 20030403; NO 20044786 A 20041103; NZ 53566403 A 20030403; RU 2004132854 A 20030403; TW 92107862 A 20030407; US 50918104 A 20040923; ZA 200407534 A 20040917