NO932952L - Natriumhydrosulfittfremstilling med höyt utbytte - Google Patents
Natriumhydrosulfittfremstilling med höyt utbytteInfo
- Publication number
- NO932952L NO932952L NO932952A NO932952A NO932952L NO 932952 L NO932952 L NO 932952L NO 932952 A NO932952 A NO 932952A NO 932952 A NO932952 A NO 932952A NO 932952 L NO932952 L NO 932952L
- Authority
- NO
- Norway
- Prior art keywords
- high yield
- sodium hydrosulfite
- sodium
- preparation
- reaction mixture
- Prior art date
Links
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 title abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 229910000033 sodium borohydride Inorganic materials 0.000 abstract 2
- 239000012279 sodium borohydride Substances 0.000 abstract 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002243 precursor Substances 0.000 abstract 1
- 239000011593 sulfur Substances 0.000 abstract 1
- 229910052717 sulfur Inorganic materials 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 229910001868 water Inorganic materials 0.000 abstract 1
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)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (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 (3)
| Publication Number | Publication Date |
|---|---|
| NO932952D0 NO932952D0 (no) | 1993-08-19 |
| NO932952L true NO932952L (no) | 1994-03-14 |
| NO310715B1 NO310715B1 (no) | 2001-08-20 |
Family
ID=25480363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19932952A NO310715B1 (no) | 1992-09-11 | 1993-08-19 | Fremgangsmåte og system for fremstilling av natriumhydrosulfitt |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5336479A (no) |
| EP (1) | EP0587429B1 (no) |
| AT (1) | ATE146444T1 (no) |
| CA (1) | CA2104488C (no) |
| DE (1) | DE69306701T2 (no) |
| FI (1) | FI112861B (no) |
| NO (1) | NO310715B1 (no) |
| ZA (1) | ZA935615B (no) |
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 |
| CN1319850C (zh) * | 2001-11-13 | 2007-06-06 | 蒙哥马利化学品有限责任公司 | 产生氢的含水燃料和提供能量的方法 |
| NO20032722L (no) * | 2002-06-28 | 2003-12-29 | Rohm & Haas | Fremgangsmåte til klaring av pulp med hydrosulfittl degree sning |
| DE60326113D1 (de) * | 2002-11-05 | 2009-03-26 | Rohm & Haas | 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 |
| KR102603381B1 (ko) * | 2015-04-29 | 2023-11-20 | 바스프 에스이 | 다양한 첨가제에 의한 나트륨 다이티오나이트의 안정화 |
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 (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 |
| 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 (no) * | 1986-01-03 | 1993-03-13 | Thiokol Morton Inc | |
| US4859447A (en) * | 1986-12-22 | 1989-08-22 | Morton Thiokol, Inc. | Process for the production of sodium hydrosulfite |
| US4788041A (en) * | 1986-12-22 | 1988-11-29 | Morton Thiokol, Inc. | Apparatus 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 AT AT93307112T patent/ATE146444T1/de not_active IP Right Cessation
- 1993-09-09 DE DE69306701T patent/DE69306701T2/de not_active Expired - Fee Related
- 1993-09-09 EP EP93307112A patent/EP0587429B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO932952D0 (no) | 1993-08-19 |
| FI933884A0 (fi) | 1993-09-06 |
| CA2104488C (en) | 1997-01-28 |
| NO310715B1 (no) | 2001-08-20 |
| ATE146444T1 (de) | 1997-01-15 |
| US5336479A (en) | 1994-08-09 |
| FI112861B (fi) | 2004-01-30 |
| ZA935615B (en) | 1994-03-01 |
| EP0587429A1 (en) | 1994-03-16 |
| FI933884A7 (fi) | 1994-03-12 |
| DE69306701D1 (de) | 1997-01-30 |
| CA2104488A1 (en) | 1994-03-12 |
| DE69306701T2 (de) | 1997-04-30 |
| EP0587429B1 (en) | 1996-12-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI973281A0 (fi) | Menetelmä tiettyjen atsasykloheksapeptidien valmistamiseksi | |
| ES2122905B1 (es) | Sintesis de 11,12-hidrogenoortoborato de 9-desoxo-9a-aza-11,12-desoxi-9a-metil-9a-homoeritromicina a. un procedimiento para la preparacion de 9-desoxo-9a-aza-9a-metil-9a-homoeritromicina a dihidrato (azitromicina dihidrato). | |
| IL92152A (en) | Process and intermediates for the preparation of 3,5-dimethyl-4- methoxypyridine derivatives | |
| NO932952L (no) | Natriumhydrosulfittfremstilling med höyt utbytte | |
| ES2020292B3 (es) | Procedimiento de preparacion de tieniletilaminas y dietilentilaminas asi obtenidas. | |
| ES485098A1 (es) | Derivados de dibenzotiepin y un proceso para la produccion- del mismo. | |
| AU631735B2 (en) | New process for the preparation of 1-(2,3,4-trimethoxybenzyl) piperazine by reductive amination | |
| BR9400016A (pt) | Processo para preparação de compostos, e compostos | |
| IL67547A (en) | Process for the preparation of 2-acyl-1,3,4,6,7,11b-hexahydro-2h-pyrazino-(2,1-a)-isoquinolin-4-ones and the novel 4-acyl-1-phenethylpiperazine-2-one derivatives as intermediates therefor | |
| HU908020D0 (en) | Process for producing benzaldehydes | |
| IL74708A0 (en) | Production of fluoroalkoxyaminopyrimidines and certain fluoroalkoxypyrimidine derivatives for use as intermediates therefor | |
| ES8605811A1 (es) | Un procedimiento para la preparacion de una b- lactama | |
| DE3466535D1 (en) | Preparation process of acemetacin | |
| EP0779895A4 (en) | IMPROVED PROCESS FOR PREPARING DERIVATIVES OF CYCLOHEXAPEPTIDE LIPOPEPTIDES HAVING SIDE CHAINS | |
| IT1264888B1 (it) | Procedimento per la preparazione dell'erdosteina | |
| NO894282D0 (no) | Fremgangsmaate for fremstilling av natriumhydrosulfitt. | |
| FI892911A0 (fi) | Menetelmä terapeuttisesti käyttökelpoisen (+)-1-/(3,4,5-trimetoksi)bentsyylioksimetyyli/-1-fenyyli-N,N-dimetyyli-n-propyyliamiinin valmistamiseksi | |
| ES2019010A6 (es) | Un procedimiento de resolucion optica de dropropizina racemica. | |
| ES8400741A1 (es) | Procedimiento para la preparacion de un derivado de dibenzoxepinona. | |
| IT1270834B (it) | Disolfuro chinolico | |
| HU9203344D0 (en) | Method for producing substituted indoles | |
| JPS51137698A (en) | Method of producing fluo rocarbon | |
| IT1241658B (it) | Processo per la preparazione di intermedi per la sintesi del diltiazem | |
| ES8802323A1 (es) | Un procedimiento para sintetizar polimeros sulfonados solubles en agua |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN FEBRUARY 2003 |