NO791728L - Bleking av masse. - Google Patents

Bleking av masse.

Info

Publication number: NO791728L
Authority: NO; Norway
Prior art keywords: bleaching; please; please bleaching
Prior art date: 1978-05-26

Application number

NO791728A

Other languages

English (en)

Other versions

NO153309B (no

NO153309C (no

Inventor

Bronislav Henri May

Original Assignee

Monsanto Europe Sa

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.)

1978-05-26

Filing date

1979-05-25

Publication date

1979-11-27

1979-05-25 Application filed by Monsanto Europe Sa filed Critical Monsanto Europe Sa

1979-11-27 Publication of NO791728L publication Critical patent/NO791728L/no

1985-11-11 Publication of NO153309B publication Critical patent/NO153309B/no

1986-02-19 Publication of NO153309C publication Critical patent/NO153309C/no

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
- 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
- D21C9/1042—Use of chelating agents

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Cereal-Derived Products (AREA)

NO791728A 1978-05-26 1979-05-25 Fremgangsmaate for oksygenbleking av kraftmasse. NO153309C (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB2290178		1978-05-26

Publications (3)

Publication Number	Publication Date
NO791728L true NO791728L (no)	1979-11-27
NO153309B NO153309B (no)	1985-11-11
NO153309C NO153309C (no)	1986-02-19

Family

ID=10186899

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO791728A NO153309C (no)	1978-05-26	1979-05-25	Fremgangsmaate for oksygenbleking av kraftmasse.

Country Status (7)

Country	Link
AU (1)	AU528265B2 (no)
CA (1)	CA1120210A (no)
FI (1)	FI71177C (no)
FR (1)	FR2426767A1 (no)
NO (1)	NO153309C (no)
SE (1)	SE7904430L (no)
ZA (1)	ZA792563B (no)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE434284B (sv) *	1980-05-07	1984-07-16	Mo Och Domsjoe Ab	Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores
SE441192B (sv) *	1980-05-27	1985-09-16	Mo Och Domsjoe Ab	Forfarande for delignifiering av kemisk cellulosamassa med syrgas i nervaro av ett eller flera neutralisationsmedel
CN102229619A (zh) *	2011-04-26	2011-11-02	河南清水源科技股份有限公司	四乙烯五胺七亚甲基膦酸及其生产工艺
CN111344455B (zh)	2017-09-11	2022-10-28	索理思科技公司	用于增强化学木浆的氧脱木质素的方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE785964A (fr) *	1971-07-07	1973-01-08	Monsanto Co	Derives condenses de polyalkylenepolyamines

1979
- 1979-05-21 AU AU47233/79A patent/AU528265B2/en not_active Ceased
- 1979-05-21 FR FR7912874A patent/FR2426767A1/fr active Granted
- 1979-05-21 SE SE7904430A patent/SE7904430L/ not_active Application Discontinuation
- 1979-05-25 NO NO791728A patent/NO153309C/no unknown
- 1979-05-25 CA CA000328345A patent/CA1120210A/en not_active Expired
- 1979-05-25 FI FI791681A patent/FI71177C/fi not_active IP Right Cessation
- 1979-05-25 ZA ZA792563A patent/ZA792563B/xx unknown

Also Published As

Publication number	Publication date
CA1120210A (en)	1982-03-23
NO153309B (no)	1985-11-11
FI71177C (fi)	1986-11-24
FR2426767B1 (no)	1985-03-22
FI71177B (fi)	1986-08-14
SE7904430L (sv)	1979-11-27
NO153309C (no)	1986-02-19
FI791681A (fi)	1979-11-27
AU4723379A (en)	1979-11-29
ZA792563B (en)	1980-10-29
FR2426767A1 (fr)	1979-12-21
AU528265B2 (en)	1983-04-21

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