FR2665715B1 - Procede electrochimique pour la preparation de l'acide 4,4'-dinitrostilbene-2,2'-disulfonique et de ses sels. - Google Patents
Procede electrochimique pour la preparation de l'acide 4,4'-dinitrostilbene-2,2'-disulfonique et de ses sels.Info
- Publication number
- FR2665715B1 FR2665715B1 FR9110153A FR9110153A FR2665715B1 FR 2665715 B1 FR2665715 B1 FR 2665715B1 FR 9110153 A FR9110153 A FR 9110153A FR 9110153 A FR9110153 A FR 9110153A FR 2665715 B1 FR2665715 B1 FR 2665715B1
- Authority
- FR
- France
- Prior art keywords
- dinitrostilbene
- salts
- preparation
- disulfonic acid
- electrochemical process
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B3/00—Electrolytic production of organic compounds
- C25B3/20—Processes
- C25B3/29—Coupling reactions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/563,457 US5021132A (en) | 1990-08-07 | 1990-08-07 | Electrochemical process for preparing 4,4'-dinitrostilbene-2,2'-disulfonic acid and the salts thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2665715A1 FR2665715A1 (fr) | 1992-02-14 |
FR2665715B1 true FR2665715B1 (fr) | 1993-11-12 |
Family
ID=24250561
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9110153A Expired - Fee Related FR2665715B1 (fr) | 1990-08-07 | 1991-08-07 | Procede electrochimique pour la preparation de l'acide 4,4'-dinitrostilbene-2,2'-disulfonique et de ses sels. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5021132A (fr) |
JP (1) | JPH05140781A (fr) |
CH (1) | CH684003A5 (fr) |
DE (1) | DE4125058A1 (fr) |
FR (1) | FR2665715B1 (fr) |
GB (1) | GB2246792B (fr) |
IT (1) | IT1250063B (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11964884B2 (en) * | 2020-03-06 | 2024-04-23 | Iowa State University Research Foundation, Inc. | System and method for removing nitrate from water |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1643693B2 (de) * | 1967-11-11 | 1976-09-09 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von sebacinsaeuredimethylester durch elektrolytische kondensation von adipinsaeuremonomethylester |
US3992435A (en) * | 1975-04-07 | 1976-11-16 | Standard Oil Company (Indiana) | Process for electrolytic synthesis of polyalkylbiphenylpolycarboxylic acid compounds |
DE2635802C2 (de) * | 1976-08-09 | 1984-03-01 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von symmetrischen Carotinoiden |
US4101392A (en) * | 1976-12-22 | 1978-07-18 | Monsanto Company | Process for electrolytic oxidative methyl-methyl coupling of cresol salts |
DE2916912A1 (de) * | 1979-04-26 | 1980-11-06 | Bayer Ag | Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure |
ATE3974T1 (de) * | 1979-06-08 | 1983-07-15 | Ciba-Geigy Ag | Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeure und deren salzen und deren verwendung. |
DE3371232D1 (en) * | 1983-02-22 | 1987-06-04 | Electricite De France | Process for the production of aminobenzoic acids from corresponding nitrotoluenes |
US4457813A (en) * | 1983-03-04 | 1984-07-03 | Monsanto Company | Electrolysis cells and electrolytic processes |
JPS59167560A (ja) * | 1983-03-14 | 1984-09-21 | Nippon Kayaku Co Ltd | 4,4′−ジニトロスチルベン−2,2′−ジスルホン酸又はその塩の製造法 |
JPS61219606A (ja) * | 1985-03-26 | 1986-09-30 | Kobe Steel Ltd | タイヤ加硫プレス |
DE3519552A1 (de) * | 1985-05-31 | 1986-12-04 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung von 4,4'-dinitrostilben-2,2'-disulfonsaeuresalzen |
EP0221021B1 (fr) * | 1985-10-16 | 1989-11-08 | Ciba-Geigy Ag | Réduction de Béchamp de DNS en DAS par H2SO4 et trace de HOAc |
US4871430A (en) * | 1987-02-19 | 1989-10-03 | The Dow Chemical Company | Novel multifunctional compounds and electrolytic oxidative coupling process |
US4764263A (en) * | 1987-05-18 | 1988-08-16 | The Dow Chemical Company | Electrochemical synthesis of substituted aromatic amines in basic media |
-
1990
- 1990-08-07 US US07/563,457 patent/US5021132A/en not_active Expired - Fee Related
-
1991
- 1991-07-29 DE DE4125058A patent/DE4125058A1/de not_active Withdrawn
- 1991-08-02 CH CH2306/91A patent/CH684003A5/de not_active IP Right Cessation
- 1991-08-02 IT ITRM910590A patent/IT1250063B/it active IP Right Grant
- 1991-08-05 GB GB9116821A patent/GB2246792B/en not_active Expired - Fee Related
- 1991-08-06 JP JP3195676A patent/JPH05140781A/ja active Pending
- 1991-08-07 FR FR9110153A patent/FR2665715B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH05140781A (ja) | 1993-06-08 |
ITRM910590A0 (it) | 1991-08-02 |
CH684003A5 (de) | 1994-06-30 |
US5021132A (en) | 1991-06-04 |
ITRM910590A1 (it) | 1993-02-02 |
IT1250063B (it) | 1995-03-30 |
DE4125058A1 (de) | 1992-02-13 |
GB2246792B (en) | 1994-10-05 |
GB9116821D0 (en) | 1991-09-18 |
FR2665715A1 (fr) | 1992-02-14 |
GB2246792A (en) | 1992-02-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |