FI861881L - Saett att framstaella foer natriumditionitframstaellning anvaendbara kompositioner och anvaendningen av saodana kompositioner. - Google Patents

Saett att framstaella foer natriumditionitframstaellning anvaendbara kompositioner och anvaendningen av saodana kompositioner. Download PDF

Info

Publication number: FI861881L
Authority: FI; Finland
Prior art keywords: kompositioner; natriumditionitframstaellning; saodana; anvaendbara; foer
Prior art date: 1985-05-07

Application number

FI861881A

Other languages

English (en)

Other versions

FI79826C (fi

FI79826B (fi

FI861881A0 (fi

Inventor

Ragnar Bernhard

Original Assignee

Stora Kopparbergs Bergslags 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.)

1985-05-07

Filing date

1986-05-06

Publication date

1986-11-08

1986-05-06 Application filed by Stora Kopparbergs Bergslags Ab filed Critical Stora Kopparbergs Bergslags Ab

1986-05-06 Publication of FI861881A0 publication Critical patent/FI861881A0/fi

1986-11-08 Publication of FI861881L publication Critical patent/FI861881L/fi

1989-11-30 Application granted granted Critical

1989-11-30 Publication of FI79826B publication Critical patent/FI79826B/fi

1990-03-12 Publication of FI79826C publication Critical patent/FI79826C/fi

Classifications

- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/64—Thiosulfates; Dithionites; Polythionates
- C01B17/66—Dithionites or hydrosulfites (S2O42-)
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D5/00—Sulfates or sulfites of sodium, potassium or alkali metals in general
- C01D5/14—Preparation of sulfites

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Inorganic Chemistry (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Treating Waste Gases (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Saccharide Compounds (AREA)
Inorganic Compounds Of Heavy Metals (AREA)
Solid Fuels And Fuel-Associated Substances (AREA)
Extraction Or Liquid Replacement (AREA)

FI861881A 1985-05-07 1986-05-06 Saett att framstaella foer natriumditionitframstaellning anvaendbara kompositioner och anvaendningen av saodana kompositioner. FI79826C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/731,296 US4680136A (en)	1985-05-07	1985-05-07	Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions
US73129685		1985-05-07

Publications (4)

Publication Number	Publication Date
FI861881A0 FI861881A0 (fi)	1986-05-06
FI861881L true FI861881L (fi)	1986-11-08
FI79826B FI79826B (fi)	1989-11-30
FI79826C FI79826C (fi)	1990-03-12

Family

ID=24938913

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI861881A FI79826C (fi)	1985-05-07	1986-05-06	Saett att framstaella foer natriumditionitframstaellning anvaendbara kompositioner och anvaendningen av saodana kompositioner.

Country Status (6)

Country	Link
US (1)	US4680136A (fi)
EP (1)	EP0202210B1 (fi)
AT (1)	ATE50750T1 (fi)
DE (1)	DE3669302D1 (fi)
FI (1)	FI79826C (fi)
NO (1)	NO168699C (fi)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IN172015B (fi) *	1986-01-03	1993-03-13	Thiokol Morton Inc
US4788041A (en) *	1986-12-22	1988-11-29	Morton Thiokol, Inc.	Apparatus for the production of sodium hydrosulfite
US4859447A (en) *	1986-12-22	1989-08-22	Morton Thiokol, Inc.	Process for the production of sodium hydrosulfite
US5094833A (en) *	1989-01-05	1992-03-10	Morton International, Inc.	High yield sodium hydrosulfite generation
US5336479A (en) *	1989-01-05	1994-08-09	Morton International, Inc.	High yield sodium hydrosulfite generation
CA1340248C (en) *	1989-01-05	1998-12-15	Morton International, Inc.	High yield sodium hydrosulfite generation
US5516501A (en) *	1992-05-05	1996-05-14	International Dioxcide	Process for the preparation of aqueous solutions of bromine based disinfectants
US6866689B2 (en) *	2001-11-13	2005-03-15	Montgomery Chemicals, Llc.	Aqueous borohydride compositions
FI20030928L (fi) *	2003-06-19	2004-12-20	Kvaerner Power Oy	Menetelmä mekaanisen massan valkaisussa käytettävän natriumditioniitin valmistamiseksi
CA2984117C (en) *	2015-04-29	2023-12-19	Basf Se	Stabilization of sodium dithionite by means of various additives

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA598761A (en) *		1960-05-24	Avesta Jernverks Aktiebolag	Methods and apparatus for the preparation of bisulfite solutions
US719720A (en) *	1899-12-20	1903-02-03	Basf Ag	Hydrosulfite for reducing indigo.
GB469724A (en) *	1936-03-03	1937-07-30	Gustaf Haglund	Plant and process for the production of bisulphite solutions
US2991152A (en) *	1957-01-16	1961-07-04	Goerrig	Method of preparing sodium and potassium hyposulphite
US3226185A (en) *	1961-11-09	1965-12-28	Ethyl Corp	Method of preparing an alkali metal dithionite
US3216790A (en) *	1962-03-22	1965-11-09	Nat Distillers Chem Corp	Preparation of sodium hydrosulfite
US3477815A (en) *	1966-11-15	1969-11-11	Wellman Lord Inc	Process for recovering sulfur dioxide from flue gas
JPS4814316B1 (fi) *	1969-01-10	1973-05-07
US3542511A (en) *	1969-01-27	1970-11-24	Chemical Construction Corp	Removal of sulfur dioxide from waste gases
US3917807A (en) *	1969-10-30	1975-11-04	Sumitomo Chemical Co	Method for producing anhydrous sodium dithionite
US3826812A (en) *	1971-10-22	1974-07-30	Basic Inc	Treatment of flue gases and the like
US3826818A (en) *	1972-08-03	1974-07-30	Pennwalt Corp	Method for making anhydrous alkali metal hydrosulfites
US3933676A (en) *	1974-04-08	1976-01-20	Ventron Corporation	Stabilized aqueous solutions of sodium borohydride
DE2442418B2 (de) *	1974-09-05	1980-04-17	Basf Ag, 6700 Ludwigshafen	Verfahren zur Herstellung von Natriumdithionit
US4100098A (en) *	1976-10-26	1978-07-11	Olin Corporation	Stabilized solutions of sodium dithionite
US4148684A (en) *	1976-11-08	1979-04-10	Mei Systems Inc.	Methods for recovery and recycling of chemicals from sodium sulfite and sodium bisulfite pulping operations
EP0027369A1 (en) *	1979-10-12	1981-04-22	Thiokol Corporation	Stable precursor solution for the generation of hydrosulfite and use thereof in bleaching wood pulp, brightening kaolin clay and reducing vat dyestuffs to their leuco form
US4283303A (en) *	1980-06-05	1981-08-11	Virginia Chemicals Inc.	Process for manufacture of stable sodium dithionite slurries
US4379130A (en) *	1981-09-21	1983-04-05	Andersen 2000 Inc.	Process for regenerating scrubbing solutions
SE446720B (sv) *	1983-09-08	1986-10-06	Stora Kopparbergs Bergslags Ab	Sett vid framstellning av for natriumditionitframstellning anvendbara kompositioner samt anvendningen derav
DE3427297C1 (de) *	1984-07-24	1986-04-10	GEA Wiegand GmbH, 7505 Ettlingen	Verfahren zur Herstellung einer Natriumdithionitlösung

1985
- 1985-05-07 US US06/731,296 patent/US4680136A/en not_active Expired - Lifetime
1986
- 1986-04-30 AT AT86850158T patent/ATE50750T1/de not_active IP Right Cessation
- 1986-04-30 EP EP86850158A patent/EP0202210B1/en not_active Expired - Lifetime
- 1986-04-30 DE DE8686850158T patent/DE3669302D1/de not_active Expired - Lifetime
- 1986-05-06 NO NO861801A patent/NO168699C/no not_active IP Right Cessation
- 1986-05-06 FI FI861881A patent/FI79826C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
FI79826C (fi)	1990-03-12
NO168699C (no)	1992-03-25
DE3669302D1 (de)	1990-04-12
FI79826B (fi)	1989-11-30
US4680136A (en)	1987-07-14
EP0202210A2 (en)	1986-11-20
FI861881A0 (fi)	1986-05-06
NO168699B (no)	1991-12-16
NO861801L (no)	1986-11-10
EP0202210B1 (en)	1990-03-07
EP0202210A3 (en)	1987-08-12
ATE50750T1 (de)	1990-03-15

Similar Documents

Publication	Publication Date	Title
FI864077A0 (fi)	1986-10-09	Foerfarande och anordning foer att beklae en speciellt av mineralfibrer framstaelld isoleringsmantel.
FI860692L (fi)	1986-08-20	Foerfarande foer att belaegga foeremaol med hjaelp av en sprutstraole och sprutanordning foer att genomfoera foerfarandet.
FI862780L (fi)	1987-01-02	Foerfarande och anordning foer att hopsamla vikta tryckark.
FI862142A0 (fi)	1986-05-21	Foerfarande och anordning foer att understoeda och daervid bearbeta arkmaterial.
FI850492A0 (fi)	1985-02-06	Foerfarande och redskap foer att skydda straender fraon oljefoeroreningar.
FI851525A0 (fi)	1985-04-17	Foerfarande foer framstaellning av kombinerat fosforgoedselmedel och jordfoerbaettringsmedel.
FI861361A0 (fi)	1986-03-27	Tandvaordsmedel foer att minska uppkomsten av plack och karies.
FI854753L (fi)	1987-06-03	Foerfarande foer att vaerma bastu och bastuugn.
FI861881L (fi)	1986-11-08	Saett att framstaella foer natriumditionitframstaellning anvaendbara kompositioner och anvaendningen av saodana kompositioner.
FI850307L (fi)	1986-07-25	Foerfarande och anordning foer att foerdela och foerena stroemmar av hoegkonsistenta fibersuspensioner.
FI851641A0 (fi)	1985-04-25	Saett att aotervinna vaerme och kemikalier fraon avlut.
FI862917L (fi)	1987-01-13	Saett att framstaella laensor och liknande.
FI861301A0 (fi)	1986-03-26	Foerfarande foer att vaerma vaetska och anordning foer att genomfoera foerfarandet.
FI865216A (fi)	1987-06-21	Saett att foerbaettra utnyttjningen av en svavelabsorbent i en kraftanlaeggning och en kraftanlaeggning foer utnyttjning av saettet.
FI853043L (fi)	1987-02-09	Foerfarande och anordning foer att foerbaettra en torrbandsprocess.
FI861645A0 (fi)	1986-04-18	Foerfarande och anordning foer att foerdela och foerena stroemmar av hoegkonsistenta fibersuspensioner.
FI850751A0 (fi)	1985-02-22	Foerfarande foer att goera en remskarv och remskarv.
FI852734L (fi)	1987-01-11	Plaotfoerbindning och foerfarande foer att bilda en plaotfoerbindning.
FI851570L (fi)	1986-10-20	Nytt anrikningsfoerfarande och foereningar avsedda att anvaendas daeri.
FI850563A0 (fi)	1985-02-11	Foerfarande och lyftredskap foer lyftning av betongplattor.
FI851094A0 (fi)	1985-03-20	Anordning foer rengoering av slaskiga och sandiga hjul.
FI850411A0 (fi)	1985-01-31	Foerfarande foer framstaellning av aromatiska och heteroaromatiska hydroxifoereningar.
FI850422A0 (fi)	1985-02-01	Saett och redskap foer vallning av skidor.
FI850537A0 (fi)	1985-02-08	Foerfarande och anlaeggning foer uppfoedning av paelsdjur.
FI850172L (fi)	1986-07-16	Foerfarande och anordning foer framstaellning av underklorsyrlighet.

Legal Events

Date	Code	Title	Description
1996-06-05	PC	Transfer of assignment of patent	Owner name: KEMIRA KEMI AB
2004-08-31	FG	Patent granted	Owner name: KEMIRA KEMI AB
2004-11-30	MA	Patent expired