FI791049A - Foerfarande foer foeraedling av cellulosamassor - Google Patents

Foerfarande foer foeraedling av cellulosamassor

Info

Publication number: FI791049A
Authority: FI; Finland
Prior art keywords: foeraedling; cellulosamassor; foerfarande foer; foerfarande; foer
Prior art date: 1978-03-31

Application number

FI791049A

Other languages

English (en)

Other versions

FI67893B (fi

FI67893C (fi

Inventor

Jonas Arne Ingvar Lindahl

Claes Goeran Sigurd Svensson

Original Assignee

Modo Chemetics Ab

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.)

1978-03-31

Filing date

1979-03-29

Publication date

1979-10-01

1979-03-29 Application filed by Modo Chemetics Ab filed Critical Modo Chemetics Ab

1979-10-01 Publication of FI791049A publication Critical patent/FI791049A/fi

1985-02-28 Publication of FI67893B publication Critical patent/FI67893B/fi

1985-06-10 Application granted granted Critical

1985-06-10 Publication of FI67893C publication Critical patent/FI67893C/fi

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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Investigating Or Analysing Biological Materials (AREA)
External Artificial Organs (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

FI791049A 1978-03-31 1979-03-29 Foerfarande foer foeraedling av cellulosamassor FI67893C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE7803674		1978-03-31
SE7803674A SE422818B (sv)	1978-03-31	1978-03-31	Forfarande for foredling av allulosamassa genom blekning eller extrahering

Publications (3)

Publication Number	Publication Date
FI791049A true FI791049A (fi)	1979-10-01
FI67893B FI67893B (fi)	1985-02-28
FI67893C FI67893C (fi)	1985-06-10

Family

ID=20334464

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI791049A FI67893C (fi)	1978-03-31	1979-03-29	Foerfarande foer foeraedling av cellulosamassor

Country Status (15)

Country	Link
US (1)	US4244778A (fi)
EP (1)	EP0014713B1 (fi)
AT (1)	AT371861B (fi)
AU (1)	AU509369B2 (fi)
BR (1)	BR7908799A (fi)
CA (1)	CA1115005A (fi)
CH (1)	CH643902A5 (fi)
DE (1)	DE2945421A1 (fi)
ES (1)	ES479108A1 (fi)
FI (1)	FI67893C (fi)
NO (1)	NO154137C (fi)
NZ (1)	NZ189999A (fi)
SE (1)	SE422818B (fi)
WO (1)	WO1979000861A1 (fi)
ZA (1)	ZA791496B (fi)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
AU539108B2 (en) *	1979-04-17	1984-09-13	Interox Societe Anonyme	Delignification of unbleached chemical pulp
ZA837927B (en) *	1983-05-23	1985-01-30	Process Evaluation Devel	Thermomechanical digestion process using bleachants
DE3610940A1 (de) *	1986-03-04	1987-09-10	Escher Wyss Gmbh	Hochtemperatur-hochkonsistenz-schnellbleiche
US4743338A (en) *	1986-05-19	1988-05-10	Kamyr, Inc.	Method of removing air from lignocellulosic material by passing the material through conduit paths of different diameters
GB2215350B (en) *	1988-03-16	1992-05-20	Thiokol Morton Inc	Process for bleaching mechanical wood pulp
DE4000347C1 (fi) *	1990-01-08	1991-04-25	Mtm Obermaier Gmbh, 6733 Hassloch, De
US5384011A (en) *	1993-02-12	1995-01-24	James River Corporation Of Virginia	Process for crosslinking of cellulosic fibers
US5384012A (en) *	1993-02-12	1995-01-24	James River Corporation Of Virginia	Process for crosslinking of cellulosic fibers
SE9301960L (sv) *	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Blekning av kemisk massa med peroxid vid övertryck
JP2862787B2 (ja) *	1994-03-09	1999-03-03	日本製紙株式会社	塗被紙の製造方法
DE4411681A1 (de) *	1994-04-05	1995-10-12	Hoechst Ag	Verfahren zur Herstellung niedermolekularer Polysaccharidether
FR2719854B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
FR2719853B1 (fr) *	1994-05-11	1996-06-21	Atochem Elf Sa	Procédé de délignification et de blanchiment d'une pâte à papier chimique.
SE9402101L (sv) *	1994-06-15	1995-12-16	Moelnlycke Ab	Lättavvattnad, bulkig, kemimekanisk massa med låg spet- och finmaterialhalt
AU1357097A (en) *	1996-02-27	1997-09-16	Tetra Laval Holdings & Finance Sa	Process for sanitizing post-consumer paper fibers and product formed therefrom
US6375797B1 (en) *	1996-06-20	2002-04-23	Andritz-Ahlstrom Oy	Bleaching chemical pulp in a PkDQ-Po Sequence
FI113670B (fi) *	1999-12-09	2004-05-31	Upm Kymmene Corp	Menetelmä painopaperin valmistamiseksi
FI113552B (fi) *	1999-12-09	2004-05-14	Upm Kymmene Corp	Menetelmä painopaperin valmistamiseksi
US6743332B2 (en) *	2001-05-16	2004-06-01	Weyerhaeuser Company	High temperature peroxide bleaching of mechanical pulps
WO2005121288A1 (ja) *	2004-06-10	2005-12-22	Ntn Corporation	摺動材料およびすべり軸受
JP5030568B2 (ja) *	2005-12-27	2012-09-19	信越化学工業株式会社	アルカリセルロース及びセルロースエーテルの製造方法
JP5030566B2 (ja) *	2005-12-27	2012-09-19	信越化学工業株式会社	セルロースエーテルの製造方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA799172A (en) *		1968-11-19	Nardi Franco	Equipment for processing of pulps obtained from woods
US2513344A (en) *	1946-09-19	1950-07-04	Buffalo Electro Chem Co	Method of bleaching high-density pulp
US2707146A (en) *	1951-08-08	1955-04-26	Scott Paper Co	Method of bleaching mechanically disintegrated wood pulp
US2920011A (en) *	1955-03-18	1960-01-05	Waldorf Paper Prod Co	Elevated temperature and pressure two stage hypochlorite peroxide pulp bleaching process
US2963395A (en) *	1958-03-31	1960-12-06	Crown Zellerbach Corp	Process of bleaching lignocellulosic pulps
US3256614A (en) *	1961-05-29	1966-06-21	D & S Engineering Ltd	Plant for drying of finely divided material, especially wood pulp and cellulose
US3255071A (en) *	1963-10-25	1966-06-07	Theodor N Kleinert	Process for production of alkali cellulose in the absence of an aqueous liquid phase
SE333299B (sv) *	1967-11-10	1971-03-08	Sunds Ab	Foerfarande vid och anordning foer blekning av foeretraedesvis cellulosamassa med gasformigt blekmedel
CA849982A (en) *	1967-12-15	1970-08-25	M. Clayton David	Process for producing wood pulp
US4030969A (en) *	1972-06-13	1977-06-21	Defibrator Ab	Method of dispersing a bleaching agent into a stream of fibrous cellulosic pulp material in a throttling nozzle
SE415581B (sv) *	1977-04-18	1980-10-13	Mo Och Domsjoe Ab	Forfarande for perocidblekning av hogutbytesmassa

1978
- 1978-03-31 SE SE7803674A patent/SE422818B/sv not_active IP Right Cessation
1979
- 1979-03-26 NZ NZ189999A patent/NZ189999A/xx unknown
- 1979-03-29 ZA ZA791496A patent/ZA791496B/xx unknown
- 1979-03-29 FI FI791049A patent/FI67893C/fi not_active IP Right Cessation
- 1979-03-29 DE DE792945421A patent/DE2945421A1/de active Granted
- 1979-03-29 WO PCT/SE1979/000073 patent/WO1979000861A1/en unknown
- 1979-03-29 CH CH1069079A patent/CH643902A5/de not_active IP Right Cessation
- 1979-03-29 BR BR7908799A patent/BR7908799A/pt not_active IP Right Cessation
- 1979-03-29 NO NO791042A patent/NO154137C/no unknown
- 1979-03-30 AT AT0237679A patent/AT371861B/de not_active IP Right Cessation
- 1979-03-30 ES ES479108A patent/ES479108A1/es not_active Expired
- 1979-03-30 AU AU45668/79A patent/AU509369B2/en not_active Expired
- 1979-04-02 US US06/026,470 patent/US4244778A/en not_active Expired - Lifetime
- 1979-04-02 CA CA324,586A patent/CA1115005A/en not_active Expired
- 1979-11-05 EP EP79900386A patent/EP0014713B1/en not_active Expired

Also Published As

Publication number	Publication date
ES479108A1 (es)	1979-07-01
CH643902A5 (de)	1984-06-29
SE422818B (sv)	1982-03-29
FI67893B (fi)	1985-02-28
NO154137B (no)	1986-04-14
NO154137C (no)	1986-07-23
EP0014713B1 (en)	1984-10-24
AT371861B (de)	1983-08-10
WO1979000861A1 (en)	1979-11-01
ATA237679A (de)	1982-12-15
DE2945421A1 (en)	1980-12-11
BR7908799A (pt)	1981-08-04
CA1115005A (en)	1981-12-29
AU509369B2 (en)	1980-05-08
EP0014713A1 (en)	1980-09-03
AU4566879A (en)	1979-11-22
DE2945421C2 (fi)	1989-09-14
ZA791496B (en)	1980-04-30
SE7803674L (sv)	1979-10-01
NO791042L (no)	1979-10-02
FI67893C (fi)	1985-06-10
NZ189999A (en)	1982-03-23
US4244778A (en)	1981-01-13

Publication	Publication Date	Title
FI65444B (fi)	1984-01-31	Foerfarande foer framstaellning av cyklodextrin/polyvinylalkohol-polymerer vilka bildar inklusionskomplex
FI782102A (fi)	1979-12-30	Foerfarande foer framstaellning av interuterina preventivmedel
FI791049A (fi)	1979-10-01	Foerfarande foer foeraedling av cellulosamassor
FI65631B (fi)	1984-02-29	Foerfarande foer framstaellning av a-21978-antibiotika
FI783544A (fi)	1980-05-22	Foerfarande foer maetning av belaeggningsmaengder
FI782414A (fi)	1979-08-17	Foerfarande foer framstaellning av slipmassa
FI782415A (fi)	1979-08-17	Foerfarande foer framstaellning av slipmassa
FI783137A (fi)	1980-04-17	Anordning foer taetning av ventilspindel
FI58353B (fi)	1980-09-30	Foerfarande foer selektiv avlaegsning av foereningar fraon sulfidiska komplexmalmer blandmalmer eller -koncentrat
FI780188A (fi)	1979-07-21	Foerfarande foer framstaellning av en raoskiva foer en asbestfri byggnadsskiva enligt upprullningsfoerfarandet
FI783611A (fi)	1980-05-28	Taetning av saetesventil
FI56315B (fi)	1979-09-28	Anordning foer borrning av taender
FI781847A (fi)	1979-12-09	Foerfarande foer framstaellning av expanderande termoplastkulor
FI780282A (fi)	1979-12-29	Foerfarande foer genomfoerande av undervattenssvetsning
FI56442B (fi)	1979-09-28	Tillvaratagare-avgivare av vaerme
FI55291C (fi)	1979-07-10	Foerfarande foer framstaellning av extraktdryck
FI782078A (fi)	1979-12-30	Foerfarande foer tillverkning av axeltaetning
FI782669A (fi)	1980-03-01	Saett foer foerbraenning av fuktigt traebark
FI63774B (fi)	1983-04-29	Foerfarande foer framstaellning av vaesentligen askfri smoerjolja fraon anvaend smoerjolja innehaollande askbildande komponenter
FI55551B (fi)	1979-04-30	Foerfarande foer framstaellning av isoleringsmatta
FI56327B (fi)	1979-09-28	Foerfarande foer utformning av en kanalfoersedd plastskiva
FI56654B (fi)	1979-11-30	Handtag foer baeranordningar av elastiskt foliematerial
FI56783B (fi)	1979-12-31	Foerfarande foer tillverkning av tandpetare
FI780132A (fi)	1979-07-17	Reduceringsapparat av haolrotortyp foer traedstammar
FI781747A (fi)	1979-12-02	Behandling av vattendispersioner

Legal Events

Date	Code	Title	Description
1997-10-16	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: MODO-CHEMETICS AB