CH478772A - Process for the production of nitroaromatic sulfonic acids - Google Patents
Process for the production of nitroaromatic sulfonic acidsInfo
- Publication number
- CH478772A CH478772A CH342167A CH342167A CH478772A CH 478772 A CH478772 A CH 478772A CH 342167 A CH342167 A CH 342167A CH 342167 A CH342167 A CH 342167A CH 478772 A CH478772 A CH 478772A
- Authority
- CH
- Switzerland
- Prior art keywords
- nitroaromatic
- production
- sulfonic acids
- sulfonic
- acids
- 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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH342167A CH478772A (en) | 1967-03-09 | 1967-03-09 | Process for the production of nitroaromatic sulfonic acids |
BE711930D BE711930A (en) | 1967-03-09 | 1968-03-08 | |
FR1555394D FR1555394A (en) | 1967-03-09 | 1968-03-08 | |
NL6803385A NL6803385A (en) | 1967-03-09 | 1968-03-08 | |
GB1148668A GB1164752A (en) | 1967-03-09 | 1968-03-08 | Process for the Production of Nitroaryl Sulphonic Acids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH342167A CH478772A (en) | 1967-03-09 | 1967-03-09 | Process for the production of nitroaromatic sulfonic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
CH478772A true CH478772A (en) | 1969-09-30 |
Family
ID=4255615
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH342167A CH478772A (en) | 1967-03-09 | 1967-03-09 | Process for the production of nitroaromatic sulfonic acids |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE711930A (en) |
CH (1) | CH478772A (en) |
FR (1) | FR1555394A (en) |
GB (1) | GB1164752A (en) |
NL (1) | NL6803385A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010443A2 (en) * | 1978-10-24 | 1980-04-30 | E.I. Du Pont De Nemours And Company | Process for preparing sodium-m-nitrobenzenesulfonate |
DE2916912A1 (en) * | 1979-04-26 | 1980-11-06 | Bayer Ag | METHOD FOR PRODUCING 4-NITROTOLUOL-2-SULPHONIC ACID |
EP0083555A1 (en) * | 1981-12-31 | 1983-07-13 | Ciba-Geigy Ag | Process for the preparation of p-nitrotoluene sulfonic acid |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0143750B1 (en) * | 1983-11-28 | 1987-04-22 | 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 |
-
1967
- 1967-03-09 CH CH342167A patent/CH478772A/en not_active IP Right Cessation
-
1968
- 1968-03-08 FR FR1555394D patent/FR1555394A/fr not_active Expired
- 1968-03-08 BE BE711930D patent/BE711930A/xx unknown
- 1968-03-08 NL NL6803385A patent/NL6803385A/xx unknown
- 1968-03-08 GB GB1148668A patent/GB1164752A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0010443A2 (en) * | 1978-10-24 | 1980-04-30 | E.I. Du Pont De Nemours And Company | Process for preparing sodium-m-nitrobenzenesulfonate |
EP0010443A3 (en) * | 1978-10-24 | 1980-08-06 | E.I. Du Pont De Nemours And Company | Process for preparing sodium-m-nitrobenzenesulfonate and the product thus obtained |
DE2916912A1 (en) * | 1979-04-26 | 1980-11-06 | Bayer Ag | METHOD FOR PRODUCING 4-NITROTOLUOL-2-SULPHONIC ACID |
EP0083555A1 (en) * | 1981-12-31 | 1983-07-13 | Ciba-Geigy Ag | Process for the preparation of p-nitrotoluene sulfonic acid |
Also Published As
Publication number | Publication date |
---|---|
NL6803385A (en) | 1968-09-10 |
FR1555394A (en) | 1969-01-24 |
BE711930A (en) | 1968-09-09 |
GB1164752A (en) | 1969-09-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |