FI66442C - Vid framstaellning av cellulosa anvaendbart aemne och foerfarande foer framstaellning av cellulosa - Google Patents

Vid framstaellning av cellulosa anvaendbart aemne och foerfarande foer framstaellning av cellulosa Download PDF

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Publication number
FI66442C
FI66442C FI791949A FI791949A FI66442C FI 66442 C FI66442 C FI 66442C FI 791949 A FI791949 A FI 791949A FI 791949 A FI791949 A FI 791949A FI 66442 C FI66442 C FI 66442C
Authority
FI
Finland
Prior art keywords
weight
cellulose
dispersion
anthraquinone
substance according
Prior art date
Application number
FI791949A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI791949A (fi
FI66442B (fi
Inventor
Dieter Bauer
Volker Hassmann
Paul Schiller
Konrad Nonn
Karlheinz Wolf
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of FI791949A publication Critical patent/FI791949A/fi
Publication of FI66442B publication Critical patent/FI66442B/fi
Application granted granted Critical
Publication of FI66442C publication Critical patent/FI66442C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/222—Use of compounds accelerating the pulping processes

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Confectionery (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
FI791949A 1978-06-21 1979-06-19 Vid framstaellning av cellulosa anvaendbart aemne och foerfarande foer framstaellning av cellulosa FI66442C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2827111 1978-06-21
DE19782827111 DE2827111A1 (de) 1978-06-21 1978-06-21 Mittel zur verwendung bei der zellstoffgewinnung

Publications (3)

Publication Number Publication Date
FI791949A FI791949A (fi) 1979-12-22
FI66442B FI66442B (fi) 1984-06-29
FI66442C true FI66442C (fi) 1984-10-10

Family

ID=6042304

Family Applications (1)

Application Number Title Priority Date Filing Date
FI791949A FI66442C (fi) 1978-06-21 1979-06-19 Vid framstaellning av cellulosa anvaendbart aemne och foerfarande foer framstaellning av cellulosa

Country Status (16)

Country Link
EP (1) EP0006201B1 (es)
JP (1) JPS556585A (es)
AT (1) ATE3449T1 (es)
AU (1) AU537690B2 (es)
BR (1) BR7903896A (es)
CA (1) CA1140706A (es)
DE (2) DE2827111A1 (es)
ES (1) ES481720A1 (es)
FI (1) FI66442C (es)
IN (1) IN151933B (es)
NO (1) NO791974L (es)
NZ (1) NZ190753A (es)
PH (1) PH15789A (es)
PT (1) PT69751A (es)
TR (1) TR20455A (es)
ZA (1) ZA793064B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2925545A1 (de) * 1979-06-25 1981-01-29 Bayer Ag Verfahren zur herstellung eines mittels, das organische, cyclische, keto- und/oder hydrogruppen enthaltende verbindungen und tenside enthaelt, sowie verfahren zur zellstoffgewinnung unter verwendung dieses mittels
US4295928A (en) * 1980-08-07 1981-10-20 Nalco Chemical Company Phenolic compounds as viscosity preservatives during hypochlorite pulp bleaching
JPS57177080A (en) * 1981-04-24 1982-10-30 Kawasaki Kasei Chem Ltd Preparation of composition for digestion assistant
JPS6197492A (ja) * 1984-10-18 1986-05-15 川崎化成工業株式会社 高濃度パルプ蒸解助剤水溶液
CA1321449C (en) * 1988-03-02 1993-08-24 Cheng-I Chen Process for producing kraft pulp for paper
DE3905311C2 (de) * 1989-02-21 1994-09-29 Bayer Ag Verfahren zur Herstellung von Anthrachinon/Tensid-Gemischen und Verwendung dieser Gemische
AU626407B2 (en) * 1989-05-19 1992-07-30 Betz International, Inc. Process for producing kraft pulp for paper
CA2111921A1 (en) * 1992-12-21 1994-06-22 Kenji Kumagai Formulated composition of pulp digesting assistant agent
WO1995029288A1 (fr) * 1994-04-26 1995-11-02 Harima Chemicals, Inc. Adjuvant pour lessivage des pulpes
US6346536B1 (en) 1997-09-03 2002-02-12 Guilford Pharmaceuticals Inc. Poly(ADP-ribose) polymerase inhibitors and method for treating neural or cardiovascular tissue damage using the same
KR20170038830A (ko) * 2014-07-10 2017-04-07 리프 사이언시스 피티와이 리미티드 리그노셀룰로오스 물질의 처리 방법
KR20170038831A (ko) 2014-07-10 2017-04-07 리프 사이언시스 피티와이 리미티드 리그노셀룰로오스 물질의 가수분해 방법
JP7165323B2 (ja) * 2018-07-04 2022-11-04 株式会社片山化学工業研究所 パルプ蒸解助剤、及びそれを用いた化学パルプの製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2049567A (en) * 1934-06-05 1936-08-04 Du Pont Manufacture of paper pulp
FR950573A (fr) * 1947-07-09 1949-09-30 Application de mouillants à la fabrication des pâtes à papier
SE384883B (sv) * 1974-09-06 1976-05-24 Kopparfors Ab Sett att oka cellulosautbytet vid sulfitkokning av ved
FI783563A (fi) * 1977-12-01 1979-06-02 Sandoz Ag Foerbaettringar i och angaoende organiska foereningar
DE2816473A1 (de) * 1978-04-15 1979-10-25 Bayer Ag Dispersion zur verwendung bei der zellstoffgewinnung

Also Published As

Publication number Publication date
CA1140706A (en) 1983-02-08
DE2827111A1 (de) 1980-01-10
IN151933B (es) 1983-09-03
AU537690B2 (en) 1984-07-05
EP0006201A1 (de) 1980-01-09
TR20455A (tr) 1981-07-14
ATE3449T1 (de) 1983-06-15
ZA793064B (en) 1980-08-27
FI791949A (fi) 1979-12-22
BR7903896A (pt) 1980-02-20
PT69751A (en) 1979-07-01
NO791974L (no) 1979-12-27
PH15789A (en) 1983-03-25
AU4821079A (en) 1980-01-03
FI66442B (fi) 1984-06-29
ES481720A1 (es) 1980-02-16
JPS556585A (en) 1980-01-18
EP0006201B1 (de) 1983-05-18
DE2965428D1 (en) 1983-07-07
NZ190753A (en) 1981-07-13

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MM Patent lapsed

Owner name: BAYER AKTIENGESELLSCHAFT