EP 0568229 A1 19931103 - Control of deposition of organic contaminants.
Title (en)
Control of deposition of organic contaminants.
Title (de)
Verhinderung der Ablagerung von organischen Schadstoffen.
Title (fr)
Prévention du dépÔt de contaminants organiques.
Publication
Application
Priority
US 87493992 A 19920428
Abstract (en)
Methods for inhibiting deposition of organic contaminants from pulp in pulp and papermaking systems or from secondary fiber during repulping which comprises treating the pulp and papermaking system with hydrophobically modified associative polymer.
IPC 1-7
IPC 8 full level
D21C 9/08 (2006.01); D21H 21/02 (2006.01)
CPC (source: EP)
D21C 9/086 (2013.01); D21H 21/02 (2013.01)
Citation (search report)
- [AD] US 3992249 A 19761116 - FARLEY CHARLES EDWARD
- [A] US 4861429 A 19890829 - BARNETT DANIEL J [US], et al
Designated contracting state (EPC)
AT BE DE ES FR GB IT NL SE
DOCDB simple family (publication)
EP 0568229 A1 19931103; AU 3674393 A 19931104; AU 663170 B2 19950928; CA 2091272 A1 19931029; FI 931912 A0 19930428; FI 931912 A 19931029; NO 931206 D0 19930331; NO 931206 L 19931029
DOCDB simple family (application)
EP 93303007 A 19930419; AU 3674393 A 19930406; CA 2091272 A 19930309; FI 931912 A 19930428; NO 931206 A 19930331