NO932952D0 - Natriumhydrosulfittfremstilling med hoeyt utbytte - Google Patents
Natriumhydrosulfittfremstilling med hoeyt utbytteInfo
- Publication number
- NO932952D0 NO932952D0 NO932952A NO932952A NO932952D0 NO 932952 D0 NO932952 D0 NO 932952D0 NO 932952 A NO932952 A NO 932952A NO 932952 A NO932952 A NO 932952A NO 932952 D0 NO932952 D0 NO 932952D0
- Authority
- NO
- Norway
- Prior art keywords
- high yield
- preparation
- sodium
- sodium hydrosulphite
- reaction mixture
- 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)
- Catalysts (AREA)
- Low-Molecular Organic Synthesis Reactions Using 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 (3)
Publication Number | Publication Date |
---|---|
NO932952D0 true NO932952D0 (no) | 1993-08-19 |
NO932952L 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 |
EP1478593A4 (en) * | 2001-11-13 | 2008-07-02 | Montgomery Chemicals Llc | AQUEOUS BOROHIDEIDE COMPOSITIONS |
CA2432459A1 (en) * | 2002-06-28 | 2003-12-28 | Rohm And Haas Company | Method for brightening pulp with hydrosulfite solutions |
EP1418269B1 (en) * | 2002-11-05 | 2009-02-11 | Rohm And Haas Company | Method for brightening virgin mechanical pulp |
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 EP EP93307112A patent/EP0587429B1/en not_active Expired - Lifetime
- 1993-09-09 DE DE69306701T patent/DE69306701T2/de not_active Expired - Fee Related
- 1993-09-09 AT AT93307112T patent/ATE146444T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2104488A1 (en) | 1994-03-12 |
EP0587429A1 (en) | 1994-03-16 |
DE69306701D1 (de) | 1997-01-30 |
FI933884A0 (fi) | 1993-09-06 |
EP0587429B1 (en) | 1996-12-18 |
ATE146444T1 (de) | 1997-01-15 |
US5336479A (en) | 1994-08-09 |
ZA935615B (en) | 1994-03-01 |
FI112861B (fi) | 2004-01-30 |
NO310715B1 (no) | 2001-08-20 |
CA2104488C (en) | 1997-01-28 |
NO932952L (no) | 1994-03-14 |
DE69306701T2 (de) | 1997-04-30 |
FI933884A (fi) | 1994-03-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IL80979A (en) | Preparation of(2,2)-paracyclophane derivatives | |
NO932952D0 (no) | Natriumhydrosulfittfremstilling med hoeyt utbytte | |
EP0238961A3 (en) | Process for the preparation of hydroxyamines | |
ES2020292B3 (es) | Procedimiento de preparacion de tieniletilaminas y dietilentilaminas asi obtenidas. | |
EP0129252A3 (en) | Process for the preparation of optically active hydroquinone derivatives and of d-alpha-tocopherol | |
HU908020D0 (en) | Process for producing benzaldehydes | |
DE3561599D1 (en) | Process for the preparation of fluoroalkoxy-amino-pyrimidines | |
DE3466535D1 (en) | Preparation process of acemetacin | |
NO894282L (no) | Fremgangsmaate for fremstilling av natriumhydrosulfitt. | |
IT1264888B1 (it) | Procedimento per la preparazione dell'erdosteina | |
MY105374A (en) | A process for the preparation of 7-amino-3-methoxymeth- yl-ceph-3-em-4-carboxylic acid. | |
FI94860C (fi) | Menetelmä terapeuttisesti käyttökelpoisen (+)-1-/(3,4,5-trimetoksi)bentsyylioksimetyyli/-1-fenyyli-N,N-dimetyyli-n-propyyliamiinin valmistamiseksi | |
ES8400741A1 (es) | Procedimiento para la preparacion de un derivado de dibenzoxepinona. | |
ES8706141A1 (es) | Un procedimiento para la preparacion de sorbinil | |
ES2058175T3 (es) | Procedimiento para la preparacion de (1-feniletil)hidroquinona. | |
JPS51140895A (en) | Process for producing hydrogen from water | |
JPS5224994A (en) | Process for producingfluorine-containing cation exchange membrane | |
IT1270834B (it) | Disolfuro chinolico | |
IT1241658B (it) | Processo per la preparazione di intermedi per la sintesi del diltiazem | |
ES2103163A1 (es) | Un procedimiento para producir un compuesto aromatico por reaccion electrofilica. | |
ES8608534A1 (es) | Procedimiento para la fabricacion de etoposido. |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM1K | Lapsed by not paying the annual fees |
Free format text: LAPSED IN FEBRUARY 2003 |