BE693772A - - Google Patents
Info
- Publication number
- BE693772A BE693772A BE693772DA BE693772A BE 693772 A BE693772 A BE 693772A BE 693772D A BE693772D A BE 693772DA BE 693772 A BE693772 A BE 693772A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
- C07C69/82—Terephthalic acid esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/08—Preparation of carboxylic acid esters by reacting carboxylic acids or symmetrical anhydrides with the hydroxy or O-metal group of organic compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US525420A US3377376A (en) | 1966-02-07 | 1966-02-07 | Vapor phase esterification of terephthalic acid in the presence of alkali metal impregnated catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE693772A true BE693772A (OSRAM) | 1967-08-07 |
Family
ID=24093184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE693772D BE693772A (OSRAM) | 1966-02-07 | 1967-02-07 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3377376A (OSRAM) |
| BE (1) | BE693772A (OSRAM) |
| CH (1) | CH499482A (OSRAM) |
| DE (1) | DE1618639B2 (OSRAM) |
| GB (1) | GB1124615A (OSRAM) |
| NL (1) | NL150423B (OSRAM) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3980441A (en) * | 1972-05-20 | 1976-09-14 | Chemische Werke Huls Aktiengesellschaft | Apparatus for the production of dimethyl terephthalate by the esterification of terephthalic acid |
| DE2224869C3 (de) * | 1972-05-20 | 1975-12-11 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung von Dimethylterephthalat |
| US4015943A (en) * | 1972-12-15 | 1977-04-05 | Chemische Werke Huls Aktiengesellschaft | Apparatus for the esterification of terephthalic acid in the gas phase |
| ES419510A1 (es) * | 1972-12-15 | 1976-04-16 | Huels Chemische Werke Ag | Procedimiento para la esterificacion en la fase gaseosa de acido tereftalico. |
| US3935238A (en) * | 1973-01-15 | 1976-01-27 | Sun Research And Development Co. | Preparation of phthalate esters |
| JP4233685B2 (ja) * | 1999-06-08 | 2009-03-04 | 花王株式会社 | エステル交換触媒 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE519321A (OSRAM) * | 1952-04-21 |
-
1966
- 1966-02-07 US US525420A patent/US3377376A/en not_active Expired - Lifetime
-
1967
- 1967-01-18 GB GB2617/67A patent/GB1124615A/en not_active Expired
- 1967-01-19 DE DE1618639A patent/DE1618639B2/de active Granted
- 1967-01-31 NL NL676701509A patent/NL150423B/xx unknown
- 1967-02-07 CH CH175867A patent/CH499482A/de not_active IP Right Cessation
- 1967-02-07 BE BE693772D patent/BE693772A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1618639B2 (de) | 1973-11-22 |
| CH499482A (de) | 1970-11-30 |
| DE1618639A1 (de) | 1971-02-25 |
| DE1618639C3 (OSRAM) | 1974-06-20 |
| NL150423B (nl) | 1976-08-16 |
| NL6701509A (OSRAM) | 1967-08-08 |
| GB1124615A (en) | 1968-08-21 |
| US3377376A (en) | 1968-04-09 |