FI882448L - Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi - Google Patents

Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi Download PDF

Info

Publication number: FI882448L
Authority: FI; Finland
Prior art keywords: chemithermomechanical pulp; bleached chemithermomechanical; preparing bleached; preparing; pulp
Prior art date: 1987-05-25

Application number

FI882448A

Other languages

English (en)

Swedish (sv)

Other versions

FI93746C (fi

FI882448A0 (fi

FI93746B (fi

Inventor

Michel Devic

Robert Angelier

Original Assignee

Atochem

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.)

1987-05-25

Filing date

1988-05-24

Publication date

1988-11-26

1988-05-24 Application filed by Atochem filed Critical Atochem

1988-05-24 Publication of FI882448A0 publication Critical patent/FI882448A0/fi

1988-11-26 Publication of FI882448L publication Critical patent/FI882448L/fi

1995-02-15 Application granted granted Critical

1995-02-15 Publication of FI93746B publication Critical patent/FI93746B/fi

1995-05-26 Publication of FI93746C publication Critical patent/FI93746C/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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes

FI882448A 1987-05-25 1988-05-24 Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi FI93746C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FR8707552A FR2615874B1 (fr)	1987-05-25	1987-05-25	Procede de preparation de pates chimicothermomecaniques
FR8707552		1987-05-25

Publications (4)

Publication Number	Publication Date
FI882448A0 FI882448A0 (fi)	1988-05-24
FI882448L true FI882448L (fi)	1988-11-26
FI93746B FI93746B (fi)	1995-02-15
FI93746C FI93746C (fi)	1995-05-26

Family

ID=9351559

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI882448A FI93746C (fi)	1987-05-25	1988-05-24	Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi

Country Status (12)

Country	Link
EP (1)	EP0293309B1 (fi)
JP (1)	JPS63303189A (fi)
AT (1)	ATE61639T1 (fi)
AU (1)	AU609481B2 (fi)
CA (1)	CA1310452C (fi)
DE (2)	DE293309T1 (fi)
ES (1)	ES2004855B3 (fi)
FI (1)	FI93746C (fi)
FR (1)	FR2615874B1 (fi)
NO (1)	NO171801C (fi)
NZ (1)	NZ224749A (fi)
PT (1)	PT87569B (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2634233B1 (fr) *	1988-07-12	1995-04-14	Atochem	Procede de fabrication de pates chimicothermomecaniques blanchies
FR2659363B1 (fr) *	1990-03-07	1996-04-19	Atochem	Procede de preparation de pates a haut rendement blanchies.
SE468644B (sv) *	1991-05-24	1993-02-22	Sunds Defibrator Ind Ab	Framstaellning av kemitermomekanisk massa samt impregneringsloesning innehaallande borhydrid och sulfit
DE10109502A1 (de) *	2001-02-28	2002-09-12	Rhodia Acetow Gmbh	Verfahren zum Abtrennen von Hemicellulosen aus hemicellulosehaltiger Biomasse sowie die mit dem Verfahren erhältliche Biomasse und Hemicellulose
MX2015007586A (es) *	2012-12-12	2016-05-05	Basf Se	Uso de ditionito de sodio en un proceso de elaboracion de pulpa de celulosa.
EP2924166A1 (de) *	2014-03-25	2015-09-30	Basf Se	Verfahren zur Herstellung von gebleichtem Holzfaserstoff
CN111549552B (zh) *	2020-05-25	2022-06-14	广西大学	一种废水碱回收循环利用的高得率化学机械浆制浆方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1150451A (fr) *	1956-05-04	1958-01-14	Saint Gobain	Perfectionnement aux procédés de fabrication des pâtes cellulosiques mi-chimiques
US3284283A (en) *	1964-02-17	1966-11-08	Fmc Corp	Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
CH510168A (it) *	1969-07-30	1971-07-15	Vita Mayer & C Gia	Processo per la produzione di paste ad alta resa ed alto grado di bianco per uso cartario
JPS5210300B2 (fi) *	1973-06-19	1977-03-23
SE416481B (sv) *	1977-05-02	1981-01-05	Mo Och Domsjoe Ab	Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
CA1212505A (en) *	1984-07-17	1986-10-14	Rudy Vit	Method, process and apparatus for converting wood, wood residue and or biomass into pulp
FR2634233B1 (fr) *	1988-07-12	1995-04-14	Atochem	Procede de fabrication de pates chimicothermomecaniques blanchies

1987
- 1987-05-25 FR FR8707552A patent/FR2615874B1/fr not_active Expired - Lifetime
1988
- 1988-05-17 DE DE198888420160T patent/DE293309T1/de active Pending
- 1988-05-17 ES ES88420160T patent/ES2004855B3/es not_active Expired - Lifetime
- 1988-05-17 DE DE8888420160T patent/DE3861982D1/de not_active Expired - Fee Related
- 1988-05-17 AT AT88420160T patent/ATE61639T1/de not_active IP Right Cessation
- 1988-05-17 EP EP88420160A patent/EP0293309B1/fr not_active Expired - Lifetime
- 1988-05-23 NZ NZ224749A patent/NZ224749A/xx unknown
- 1988-05-24 FI FI882448A patent/FI93746C/fi not_active IP Right Cessation
- 1988-05-24 CA CA000567547A patent/CA1310452C/fr not_active Expired - Lifetime
- 1988-05-24 NO NO882263A patent/NO171801C/no not_active IP Right Cessation
- 1988-05-24 PT PT87569A patent/PT87569B/pt not_active IP Right Cessation
- 1988-05-25 JP JP63128124A patent/JPS63303189A/ja active Granted
- 1988-05-25 AU AU16614/88A patent/AU609481B2/en not_active Ceased

Also Published As

Publication number	Publication date
ES2004855A4 (es)	1989-02-16
NO882263D0 (no)	1988-05-24
ES2004855B3 (es)	1991-08-16
AU609481B2 (en)	1991-05-02
CA1310452C (fr)	1992-11-24
JPS63303189A (ja)	1988-12-09
EP0293309B1 (fr)	1991-03-13
FR2615874B1 (fr)	1992-02-21
EP0293309A1 (fr)	1988-11-30
AU1661488A (en)	1988-12-01
DE3861982D1 (de)	1991-04-18
NO171801B (no)	1993-01-25
NZ224749A (en)	1989-08-29
ATE61639T1 (de)	1991-03-15
PT87569A (pt)	1989-05-31
NO882263L (no)	1988-11-28
DE293309T1 (de)	1989-05-11
FI93746C (fi)	1995-05-26
FR2615874A1 (fr)	1988-12-02
FI882448A0 (fi)	1988-05-24
FI93746B (fi)	1995-02-15
NO171801C (no)	1993-05-05
PT87569B (pt)	1992-09-30
JPH0217675B2 (fi)	1990-04-23

Similar Documents

Publication	Publication Date	Title
FI914538A7 (fi)	1991-09-26	Parannettu menetelmä massan valmistamiseksi
FI881261A7 (fi)	1988-09-25	Parannettu menetelmä massan tekemiseksi paperinvalmistusta varten.
FI884182L (fi)	1989-03-15	Menetelmä lignoselluoosaa sisältävän materiaalin kuiduttamiseksi
FI890772L (fi)	1989-02-17	Valkaisumenetelmä
FI890700L (fi)	1990-08-15	Menetelmä selluloosamassan valkaisemiseksi
FI895676L (fi)	1991-05-28	Menetelmä massan valmistamiseksi
FI906400L (fi)	1991-06-30	Massan valkaisutapa
FI881544L (fi)	1988-10-03	Menetelmä mekaanisen massan valmistamiseksi
FI885089A7 (fi)	1989-05-06	Menetelmä kuituaineksen hienontamiseksi
FI891677L (fi)	1989-10-12	Menetelmä 4-demetoksidaunomysinonin valmistamiseksi
FI911118L (fi)	1991-09-08	Valkaistujen korkeasaantomassojen valmistusmenetelmä
FI911963A7 (fi)	1991-10-26	Menetelmä massan valkaisemiseksi
FI882448L (fi)	1988-11-26	Menetelmä valkaistun kemitermomekaanisen massan valmistamiseksi
FI893372L (fi)	1990-01-13	Menetelmä valkaistujen kemitermomekaanisten massojen valmistamiseksi
FI904456A7 (fi)	1991-03-13	Menetelmä sellun valkaisemiseksi
FI892741A7 (fi)	1989-12-07	Tapa massan valmistamiseksi
FI882113A7 (fi)	1988-05-05	Menetelmä mekaanisen massan valmistamiseksi.
IT8703509A0 (it)	1987-06-08	Macchina mettifiltro
FI900663L (fi)	1991-08-10	Menetelmä sulfaattimassan valmistamiseksi
FI905954A7 (fi)	1992-06-04	Menetelmä selluloosamassan valkaisemiseksi
FI900544A7 (fi)	1991-10-18	Menetelmä massan valmistamiseksi
FI884881A7 (fi)	1989-04-23	Massan valkaisumenetelmä
FI922025A7 (fi)	1992-05-05	Selluloosamassan valmistusmenetelmä
FI906401L (fi)	1991-06-30	Massan valkaisutapa
FI884558A7 (fi)	1989-04-06	Menetelmä mekaanisen massan valkaisemiseksi.

Legal Events

Date	Code	Title	Description
1994-10-04	HC	Name/ company changed in application	Owner name: ELF ATOCHEM S.A.
1995-01-16	BB	Publication of examined application
2004-08-31	MM	Patent lapsed	Owner name: ELF ATOCHEM S.A.