CH587235A5 - - Google Patents
Info
- Publication number
- CH587235A5 CH587235A5 CH566074A CH566074A CH587235A5 CH 587235 A5 CH587235 A5 CH 587235A5 CH 566074 A CH566074 A CH 566074A CH 566074 A CH566074 A CH 566074A CH 587235 A5 CH587235 A5 CH 587235A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/02—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof
- C07C303/04—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups
- C07C303/06—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of sulfonic acids or halides thereof by substitution of hydrogen atoms by sulfo or halosulfonyl groups by reaction with sulfuric acid or sulfur trioxide
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00354419A US3840591A (en) | 1973-04-25 | 1973-04-25 | Process for the production of p-nitrotoluene-2-sulfonic acid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH587235A5 true CH587235A5 (it) | 1977-04-29 |
Family
ID=23393274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH566074A CH587235A5 (it) | 1973-04-25 | 1974-04-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3840591A (it) |
| CH (1) | CH587235A5 (it) |
| DE (1) | DE2419455A1 (it) |
| GB (1) | GB1428881A (it) |
| IT (1) | IT1011276B (it) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2916912A1 (de) * | 1979-04-26 | 1980-11-06 | Bayer Ag | Verfahren zur herstellung von 4-nitrotoluol-2-sulfonsaeure |
| US4477618A (en) * | 1982-09-29 | 1984-10-16 | Ppg Industries, Inc. | Aminoplast curable coating compositions containing sulfonic acid esters as latent acid catalysts |
| US4454274A (en) * | 1982-09-29 | 1984-06-12 | Ppg Industries, Inc. | Aminoplast curable coating compositions containing cycloaliphatic sulfonic acid esters as latent acid catalysts |
| US4469832A (en) * | 1982-09-29 | 1984-09-04 | Ppg Industries, Inc. | Aminoplast curable coating compositions containing polycyclic esters of sulfonic acids as latent acid catalysts |
| US4550137A (en) * | 1983-03-28 | 1985-10-29 | Ppg Industries, Inc. | Lactam derived salts of sulfonic acids as latent acid catalysts |
| US4500680A (en) * | 1983-11-14 | 1985-02-19 | Ppg Industries, Inc. | Aromatic acid catalysts providing improved humidity resistance |
| US4501854A (en) * | 1983-11-14 | 1985-02-26 | Ppg Industries, Inc. | Aminoplast curable compositions containing disulfonic acid esters as latent acid catalysts |
| DE3463264D1 (en) * | 1983-11-28 | 1987-05-27 | Ciba Geigy Ag | Process for the preparation of 4-nitrotoluene-2-sulfonic acid |
| EP0534360A1 (en) * | 1991-09-26 | 1993-03-31 | Nissan Chemical Industries Ltd. | Method of preparing nitrotoluenesulfonic acids and sodium salts thereof |
| CH692246A5 (de) * | 1996-12-13 | 2002-04-15 | Basf Ag | Verfahren zur Herstellung von Aminsalzen von 4-Nitrotoluol-2-sulfonsäure. |
| CN114031525B (zh) * | 2021-11-10 | 2023-07-28 | 武汉青江化工黄冈有限公司 | 一种利用动态管式反应器连续制备对硝基甲苯邻磺酸的方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2892866A (en) * | 1957-12-11 | 1959-06-30 | Carwin Company | Improvement in the method for the manufacture of nitrobenzene-sulfonate |
| US3492342A (en) * | 1966-11-21 | 1970-01-27 | Allied Chem | Sulfonation of nitro compounds |
-
1973
- 1973-04-25 US US00354419A patent/US3840591A/en not_active Expired - Lifetime
-
1974
- 1974-04-23 DE DE2419455A patent/DE2419455A1/de not_active Ceased
- 1974-04-24 GB GB1792174A patent/GB1428881A/en not_active Expired
- 1974-04-24 IT IT50591/74A patent/IT1011276B/it active
- 1974-04-25 CH CH566074A patent/CH587235A5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| US3840591A (en) | 1974-10-08 |
| IT1011276B (it) | 1977-01-20 |
| DE2419455A1 (de) | 1974-11-14 |
| GB1428881A (en) | 1976-03-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |