EP 0307295 B1 19910403 - PROCESS FOR PRODUCING A BLEACHED PAPER PULP COMPRISING A CARBON DIOXIDE TREATMENT AFTER BLEACHING
Title (en)
PROCESS FOR PRODUCING A BLEACHED PAPER PULP COMPRISING A CARBON DIOXIDE TREATMENT AFTER BLEACHING
Publication
Application
Priority
FR 8712451 A 19870908
Abstract (en)
[origin: EP0307295A1] Process for producing a paper pulp comprising a stage of H or P treatment just before the purification of the pulp or its transfer to the papermaking machine, where the neutralisation of the bleached pulp is performed with the aid of carbonic acid instead of sulphur dioxide.
IPC 1-7
IPC 8 full level
D21C 9/10 (2006.01); D21C 9/00 (2006.01); D21C 9/12 (2006.01); D21C 9/16 (2006.01)
CPC (source: EP KR)
D21C 9/00 (2013.01 - EP KR)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0307295 A1 19890315; EP 0307295 B1 19910403; AT E62287 T1 19910415; AU 2196088 A 19890309; AU 608054 B2 19910321; BR 8804619 A 19890418; CN 1013131 B 19910710; CN 1033664 A 19890705; DE 3862265 D1 19910508; ES 2021857 B3 19911116; FI 884123 A0 19880907; FI 884123 A 19890309; FR 2620144 A1 19890310; FR 2620144 B1 19891208; GR 3001730 T3 19921123; JP H01207492 A 19890821; JP H0217678 B2 19900423; KR 890005346 A 19890513; MA 21393 A1 19890701; NO 883968 D0 19880907; NO 883968 L 19890309; NZ 226060 A 19910226; OA 08949 A 19901130; PT 88435 A 19890731; PT 88435 B 19921030; ZA 886622 B 19910529
DOCDB simple family (application)
EP 88402223 A 19880905; AT 88402223 T 19880905; AU 2196088 A 19880907; BR 8804619 A 19880908; CN 88106618 A 19880908; DE 3862265 T 19880905; ES 88402223 T 19880905; FI 884123 A 19880907; FR 8712451 A 19870908; GR 900401231 T 19910404; JP 22150288 A 19880906; KR 880011536 A 19880907; MA 21615 A 19880907; NO 883968 A 19880907; NZ 22606088 A 19880906; OA 59425 A 19880908; PT 8843588 A 19880906; ZA 886622 A 19880906