DE68921984D1 - Verfahren zur herstellung von 4-sulfo-2-chlorbenzoesäure. - Google Patents
Verfahren zur herstellung von 4-sulfo-2-chlorbenzoesäure.Info
- Publication number
- DE68921984D1 DE68921984D1 DE68921984T DE68921984T DE68921984D1 DE 68921984 D1 DE68921984 D1 DE 68921984D1 DE 68921984 T DE68921984 T DE 68921984T DE 68921984 T DE68921984 T DE 68921984T DE 68921984 D1 DE68921984 D1 DE 68921984D1
- Authority
- DE
- Germany
- Prior art keywords
- chlorobicoic
- sulfo
- producing
- acid
- chlorobicoic acid
- 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
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
- C07C309/01—Sulfonic acids
- C07C309/28—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
- C07C309/57—Sulfonic acids having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton containing carboxyl groups bound to the carbon skeleton
- C07C309/58—Carboxylic acid groups or esters thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB888821649A GB8821649D0 (en) | 1988-09-15 | 1988-09-15 | Halogenation & oxidation |
PCT/GB1989/001068 WO1990002731A1 (en) | 1988-09-15 | 1989-09-12 | Process for the preparation of 4-sulfo-2-chlorobenzoic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68921984D1 true DE68921984D1 (de) | 1995-05-04 |
DE68921984T2 DE68921984T2 (de) | 1995-08-03 |
Family
ID=10643639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68921984T Expired - Fee Related DE68921984T2 (de) | 1988-09-15 | 1989-09-12 | Verfahren zur herstellung von 4-sulfo-2-chlorbenzoesäure. |
Country Status (6)
Country | Link |
---|---|
US (1) | US5139628A (de) |
EP (1) | EP0434739B1 (de) |
DE (1) | DE68921984T2 (de) |
ES (1) | ES2016066A6 (de) |
GB (1) | GB8821649D0 (de) |
WO (1) | WO1990002731A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8821649D0 (en) * | 1988-09-15 | 1988-10-12 | Interox Chemicals Ltd | Halogenation & oxidation |
US5659074A (en) * | 1995-06-12 | 1997-08-19 | Zeneca Limited | Herbicide intermediates |
US7713510B2 (en) * | 2006-08-25 | 2010-05-11 | Albemarle Corporation | Processes for oxidation of bromides to produce bromine and catalysts useful therein |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2666785A (en) * | 1951-06-09 | 1954-01-19 | Ruhrchemie Ag | Production of sulfobenzoic acid and its salts |
BE550529A (de) * | 1955-08-24 | |||
US3151153A (en) * | 1958-09-30 | 1964-09-29 | Sinclair Research Inc | Preparation of sulfobenzene carboxylic acid |
GB8821649D0 (en) * | 1988-09-15 | 1988-10-12 | Interox Chemicals Ltd | Halogenation & oxidation |
-
1988
- 1988-09-15 GB GB888821649A patent/GB8821649D0/en active Pending
-
1989
- 1989-09-12 US US07/674,380 patent/US5139628A/en not_active Expired - Fee Related
- 1989-09-12 EP EP89910650A patent/EP0434739B1/de not_active Expired - Lifetime
- 1989-09-12 DE DE68921984T patent/DE68921984T2/de not_active Expired - Fee Related
- 1989-09-12 WO PCT/GB1989/001068 patent/WO1990002731A1/en active IP Right Grant
- 1989-09-15 ES ES8903146A patent/ES2016066A6/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2016066A6 (es) | 1990-10-01 |
DE68921984T2 (de) | 1995-08-03 |
EP0434739A1 (de) | 1991-07-03 |
WO1990002731A1 (en) | 1990-03-22 |
US5139628A (en) | 1992-08-18 |
GB8821649D0 (en) | 1988-10-12 |
EP0434739B1 (de) | 1995-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |