BE524035A - - Google Patents
Info
- Publication number
- BE524035A BE524035A BE524035DA BE524035A BE 524035 A BE524035 A BE 524035A BE 524035D A BE524035D A BE 524035DA BE 524035 A BE524035 A BE 524035A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/41—Preparation of salts of carboxylic acids
- C07C51/416—Henkel reaction and related reactions, i.e. rearrangement of carboxylate salt groups linked to six-membered aromatic rings, in the absence or in the presence of CO or CO2, (e.g. preparation of terepholates from benzoates); no additional classification for the subsequent hydrolysis of the salt groups has to be given
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEH14666A DE958920C (de) | 1952-12-06 | 1952-12-06 | Verfahren zur Herstellung von Terephthalsaeure bzw. deren Salzen bzw. deren Derivaten aus Kaliumbenzoat |
| DE777609X | 1953-12-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE524035A true BE524035A (en]) |
Family
ID=25948117
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE524035D BE524035A (en]) | 1952-12-06 | ||
| BE533755D BE533755A (en]) | 1952-12-06 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE533755D BE533755A (en]) | 1952-12-06 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US2794830A (en]) |
| BE (2) | BE533755A (en]) |
| DE (1) | DE958920C (en]) |
| GB (1) | GB777609A (en]) |
| NL (1) | NL92536C (en]) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2891992A (en) * | 1955-12-08 | 1959-06-23 | Henkel & Cie Gmbh | Process for the rearrangement of salts of aromatic or heterocyclic carboxylic acids |
| US2905709A (en) * | 1955-05-04 | 1959-09-22 | Henkel & Cie Gmbh | Process for the production of terephthalic acid |
| US2930813A (en) * | 1955-12-09 | 1960-03-29 | Henkel & Cie Gmbh | Process for the preparation of cyclic dicarboxylic acids |
| US2931829A (en) * | 1956-01-17 | 1960-04-05 | Henkel & Cie Gmbh | Process for the preparation of cyclic dicarboxylic acids |
| US3043846A (en) * | 1956-03-05 | 1962-07-10 | Henkel & Cie Gmbh | Process for the production of aromatic polycarboxylic acids |
| US3093683A (en) * | 1956-01-12 | 1963-06-11 | Henkel & Cie Gmbh | Process for the transformation of benzene polycarboxylic acids to terephthalic acid |
| US3101368A (en) * | 1956-01-03 | 1963-08-20 | Henkel & Cie Gmbh | Process for the preparation of cyclic dicarboxylic acids |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2900386A (en) * | 1955-11-04 | 1959-08-18 | Henkel & Cie Gmbh | Production of heterocyclic dicarboxylic acids |
| US2978500A (en) * | 1956-07-23 | 1961-04-04 | Ici Ltd | Manufacture of aromatic disulphonic acids |
| US2912437A (en) * | 1956-09-19 | 1959-11-10 | Henkel & Compagnie G M B H | Process for the production of aromatic homocyclic or heterocyclic di-and polycarboxylic acids |
| US2948750A (en) * | 1956-10-02 | 1960-08-09 | Henkel & Cie Gmbh | Process for the introduction of carboxyl groups into aromatic hydrocarbons |
| US2965674A (en) * | 1957-01-22 | 1960-12-20 | Monsanto Chemicals | Preparation of terephthalates by heating benzoic acid salts under pressure of gases |
| US2914483A (en) * | 1957-02-25 | 1959-11-24 | Hercules Powder Co Ltd | Preparing mixtures of alkali metal benzene carboxylates and cadmium benzoate |
| US2948735A (en) * | 1957-04-05 | 1960-08-09 | Henkel & Cie Gmbh | Process for the introduction of carboxyl groups into heterocyclic compounds |
| US3156695A (en) * | 1957-04-05 | 1964-11-10 | Henkel & Cie Gmbh | Process for the production of aromatic di-and polycarboxylic acids |
| US3096366A (en) * | 1957-10-07 | 1963-07-02 | Henkel & Cie Gmbh | Preparation of terephthalic acid by carboxylation reactions |
| US3023217A (en) * | 1958-04-10 | 1962-02-27 | Henkel & Cie Gmbh | Process for the introduction of carboxyl groups into aromatic compounds |
| US3038006A (en) * | 1959-04-01 | 1962-06-05 | Robert F Ruthruff | Carboxylation of benzoic acid |
| US3225088A (en) * | 1959-05-05 | 1965-12-21 | Mitsubishi Chem Ind | Method of producing alkali metal terephthalate |
| US3221044A (en) * | 1962-08-06 | 1965-11-30 | Hooker Chemical Corp | Esters of 4,5,6-trichloroisophthalic acid |
| US3546282A (en) * | 1964-02-18 | 1970-12-08 | Tamotsu Murase | Process for the production of alkali aromatic dicarboxylates |
| US3487106A (en) * | 1965-02-08 | 1969-12-30 | Marathon Oil Co | Preparation of naphthalene-2,3-dicarboxylic acid |
| JPS61167642A (ja) * | 1985-01-21 | 1986-07-29 | Hitachi Ltd | ３，３′，４，４′−ビフェニルテトラカルボン酸塩の製造方法 |
| US10844031B2 (en) | 2018-11-16 | 2020-11-24 | Iowa State University Research Foundation, Inc. | Green, copper-catalyzed disproportionation of aromatic and heteroaromatic carboxylates to dicarboxylates |
-
0
- BE BE524035D patent/BE524035A/xx unknown
- BE BE533755D patent/BE533755A/xx unknown
- NL NL92536D patent/NL92536C/xx active
-
1952
- 1952-12-06 DE DEH14666A patent/DE958920C/de not_active Expired
-
1954
- 1954-11-30 US US472246A patent/US2794830A/en not_active Expired - Lifetime
- 1954-12-02 GB GB34902/54A patent/GB777609A/en not_active Expired
-
1956
- 1956-08-23 US US605702A patent/US2823230A/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2905709A (en) * | 1955-05-04 | 1959-09-22 | Henkel & Cie Gmbh | Process for the production of terephthalic acid |
| US2891992A (en) * | 1955-12-08 | 1959-06-23 | Henkel & Cie Gmbh | Process for the rearrangement of salts of aromatic or heterocyclic carboxylic acids |
| US2930813A (en) * | 1955-12-09 | 1960-03-29 | Henkel & Cie Gmbh | Process for the preparation of cyclic dicarboxylic acids |
| US3101368A (en) * | 1956-01-03 | 1963-08-20 | Henkel & Cie Gmbh | Process for the preparation of cyclic dicarboxylic acids |
| US3093683A (en) * | 1956-01-12 | 1963-06-11 | Henkel & Cie Gmbh | Process for the transformation of benzene polycarboxylic acids to terephthalic acid |
| US2931829A (en) * | 1956-01-17 | 1960-04-05 | Henkel & Cie Gmbh | Process for the preparation of cyclic dicarboxylic acids |
| US3043846A (en) * | 1956-03-05 | 1962-07-10 | Henkel & Cie Gmbh | Process for the production of aromatic polycarboxylic acids |
Also Published As
| Publication number | Publication date |
|---|---|
| US2823230A (en) | 1958-02-11 |
| BE533755A (en]) | |
| DE958920C (de) | 1957-02-28 |
| GB777609A (en) | 1957-06-26 |
| US2794830A (en) | 1957-06-04 |
| NL92536C (en]) |