ATE146444T1 - Verfahren zur herstellung von natriumhydrosulfit mit hohem ausbringen - Google Patents
Verfahren zur herstellung von natriumhydrosulfit mit hohem ausbringenInfo
- Publication number
- ATE146444T1 ATE146444T1 AT93307112T AT93307112T ATE146444T1 AT E146444 T1 ATE146444 T1 AT E146444T1 AT 93307112 T AT93307112 T AT 93307112T AT 93307112 T AT93307112 T AT 93307112T AT E146444 T1 ATE146444 T1 AT E146444T1
- Authority
- AT
- Austria
- Prior art keywords
- high yield
- producing high
- sodium hydrosulphite
- yield sodium
- sodium
- Prior art date
Links
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-)
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/943,842 US5336479A (en) | 1989-01-05 | 1992-09-11 | High yield sodium hydrosulfite generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE146444T1 true ATE146444T1 (de) | 1997-01-15 |
Family
ID=25480363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT93307112T ATE146444T1 (de) | 1992-09-11 | 1993-09-09 | Verfahren zur herstellung von natriumhydrosulfit mit hohem ausbringen |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5336479A (de) |
| EP (1) | EP0587429B1 (de) |
| AT (1) | ATE146444T1 (de) |
| CA (1) | CA2104488C (de) |
| DE (1) | DE69306701T2 (de) |
| FI (1) | FI112861B (de) |
| NO (1) | NO310715B1 (de) |
| ZA (1) | ZA935615B (de) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6217621B1 (en) | 1999-07-09 | 2001-04-17 | Morton International Inc. | Textile substrate dye stripping |
| EP1478593A4 (de) * | 2001-11-13 | 2008-07-02 | Montgomery Chemicals Llc | Wässrige borhydridzusammensetzungen |
| NO20032722L (no) * | 2002-06-28 | 2003-12-29 | Rohm & Haas | Fremgangsmåte til klaring av pulp med hydrosulfittl degree sning |
| EP1418269B1 (de) * | 2002-11-05 | 2009-02-11 | Rohm And Haas Company | Verfahren zum Bleichen von mechanischer Pulpe |
| BRPI0403054A (pt) * | 2004-07-22 | 2006-03-07 | Bann Quimica Ltda | equipamento para a preparação de solução aquosa alcalina de hidrossulfito de sódio e uso de um equipamento |
| EP3288892B1 (de) * | 2015-04-29 | 2020-09-02 | Basf Se | Stabilisierung von natriumdithionit mit diversen additiven |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA660586A (en) * | 1963-04-02 | A. Hinckley Alfred | Preparation of alkali metal hydrosulfites | |
| US3985674A (en) * | 1974-12-10 | 1976-10-12 | Virginia Chemicals Inc. | Stabilized sodium dithionite solutions |
| EP0027369A1 (de) * | 1979-10-12 | 1981-04-22 | Thiokol Corporation | Stabile Ausgangslösung zur Herstellung von Hydrosulfit und ihre Verwendung beim Bleichen von Holzschliff, beim Aufhellen von Kaolinton und bei der Reduktion von Küpenfarbstoffen in ihre Leuko-Form |
| US4534954A (en) * | 1982-08-17 | 1985-08-13 | Virginia Chemicals Inc. | Sodium hydrosulfite slurries |
| US4680136A (en) * | 1985-05-07 | 1987-07-14 | Stora Kopparbergs Bergslags Ab | Method for preparing compositions which can be used in the production of sodium dithionite; and the use of such compositions |
| IN172015B (de) * | 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 |
| SE457647B (sv) * | 1987-06-24 | 1989-01-16 | Eka Nobel Ab | Saett vid blekning av material med ditionitloesning |
| US5094833A (en) * | 1989-01-05 | 1992-03-10 | Morton International, Inc. | High yield sodium hydrosulfite generation |
| CA1340248C (en) * | 1989-01-05 | 1998-12-15 | Morton International, Inc. | High yield sodium hydrosulfite generation |
-
1992
- 1992-09-11 US US07/943,842 patent/US5336479A/en not_active Expired - Fee Related
-
1993
- 1993-08-03 ZA ZA935615A patent/ZA935615B/xx unknown
- 1993-08-19 NO NO19932952A patent/NO310715B1/no not_active IP Right Cessation
- 1993-08-20 CA CA002104488A patent/CA2104488C/en not_active Expired - Fee Related
- 1993-09-06 FI FI933884A patent/FI112861B/fi not_active IP Right Cessation
- 1993-09-09 EP EP93307112A patent/EP0587429B1/de not_active Expired - Lifetime
- 1993-09-09 AT AT93307112T patent/ATE146444T1/de not_active IP Right Cessation
- 1993-09-09 DE DE69306701T patent/DE69306701T2/de not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US5336479A (en) | 1994-08-09 |
| DE69306701D1 (de) | 1997-01-30 |
| EP0587429A1 (de) | 1994-03-16 |
| FI933884A7 (fi) | 1994-03-12 |
| FI933884A0 (fi) | 1993-09-06 |
| CA2104488C (en) | 1997-01-28 |
| NO932952L (no) | 1994-03-14 |
| ZA935615B (en) | 1994-03-01 |
| NO310715B1 (no) | 2001-08-20 |
| CA2104488A1 (en) | 1994-03-12 |
| DE69306701T2 (de) | 1997-04-30 |
| FI112861B (fi) | 2004-01-30 |
| EP0587429B1 (de) | 1996-12-18 |
| NO932952D0 (no) | 1993-08-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |