BR8802598A - Processo para a preparacao de acido alcanodissulfonico e processo para a preparacao de acido metanodissulfonico - Google Patents
Processo para a preparacao de acido alcanodissulfonico e processo para a preparacao de acido metanodissulfonicoInfo
- Publication number
- BR8802598A BR8802598A BR8802598A BR8802598A BR8802598A BR 8802598 A BR8802598 A BR 8802598A BR 8802598 A BR8802598 A BR 8802598A BR 8802598 A BR8802598 A BR 8802598A BR 8802598 A BR8802598 A BR 8802598A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- acid
- metanodisulphonic
- alkanodisulphonic
- metanodisulphonic acid
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5657987A | 1987-06-01 | 1987-06-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8802598A true BR8802598A (pt) | 1988-12-20 |
Family
ID=22005353
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8802598A BR8802598A (pt) | 1987-06-01 | 1988-05-27 | Processo para a preparacao de acido alcanodissulfonico e processo para a preparacao de acido metanodissulfonico |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0293672B1 (pt) |
JP (1) | JPS6445355A (pt) |
BR (1) | BR8802598A (pt) |
DE (1) | DE3865739D1 (pt) |
IN (1) | IN169052B (pt) |
MX (1) | MX169442B (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1054371C (zh) * | 1995-02-17 | 2000-07-12 | 天津石油化工公司研究所 | 制备水溶性甲基二磺酸盐的工艺方法 |
US7253306B2 (en) | 2003-06-23 | 2007-08-07 | Neurochem (International) Limited | Pharmaceutical drug candidates and methods for preparation thereof |
CN104487417B (zh) * | 2012-09-28 | 2018-06-01 | 湖南阿斯达生化科技有限公司 | 一种亚甲基二磺酸的制备方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2493038A (en) * | 1946-05-31 | 1950-01-03 | Houdry Process Corp | Reaction of methane with sulfur trioxide |
US2667507A (en) * | 1950-08-31 | 1954-01-26 | Celanese Corp | Preparation of disulfonic acids |
US2842589A (en) * | 1956-01-26 | 1958-07-08 | Allied Chem | Preparation of methionic acid |
DE1518902A1 (de) * | 1965-12-16 | 1969-08-21 | Hoechst Ag | Verfahren zur Herstellung von Kaliummethionat |
-
1988
- 1988-05-17 IN IN398/CAL/88A patent/IN169052B/en unknown
- 1988-05-18 EP EP19880107950 patent/EP0293672B1/en not_active Expired
- 1988-05-18 DE DE8888107950T patent/DE3865739D1/de not_active Expired - Fee Related
- 1988-05-27 BR BR8802598A patent/BR8802598A/pt not_active Application Discontinuation
- 1988-05-31 MX MX1170588A patent/MX169442B/es unknown
- 1988-05-31 JP JP13177888A patent/JPS6445355A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0293672B1 (en) | 1991-10-23 |
MX169442B (es) | 1993-07-05 |
EP0293672A1 (en) | 1988-12-07 |
JPS6445355A (en) | 1989-02-17 |
DE3865739D1 (de) | 1991-11-28 |
IN169052B (pt) | 1991-08-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FB36 | Technical and formal requirements: requirement - article 36 of industrial property law | ||
FA8 | Dismissal: dismissal - article 36, par. 1 of industrial property law | ||
B15K | Others concerning applications: alteration of classification |
Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. A CLASSIFICACAO IPC ANTERIOR ERA C07C 143/02. Ipc: C07C 309/00 (2006.01) Ipc: C07C 309/00 (2006.01) |