|
BE547302A
(US06252093-20010626-C00008.png)
*
|
1955-05-04 |
|
|
|
|
US2900386A
(en)
*
|
1955-11-04 |
1959-08-18 |
Henkel & Cie Gmbh |
Production of heterocyclic dicarboxylic acids
|
|
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
|
|
NL213764A
(US06252093-20010626-C00008.png)
*
|
1956-01-17 |
|
|
|
|
US3043846A
(en)
*
|
1956-03-05 |
1962-07-10 |
Henkel & Cie Gmbh |
Process for the production of aromatic polycarboxylic 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
|
