NL6701509A - - Google Patents
Info
- Publication number
- NL6701509A NL6701509A NL6701509A NL6701509A NL6701509A NL 6701509 A NL6701509 A NL 6701509A NL 6701509 A NL6701509 A NL 6701509A NL 6701509 A NL6701509 A NL 6701509A NL 6701509 A NL6701509 A NL 6701509A
- Authority
- NL
- Netherlands
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 (2)
| Publication Number | Publication Date |
|---|---|
| NL6701509A true NL6701509A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-08-08 |
| NL150423B NL150423B (nl) | 1976-08-16 |
Family
ID=24093184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL676701509A NL150423B (nl) | 1966-02-07 | 1967-01-31 | Werkwijze ter bereiding van een diester van tereftaalzuur. |
Country Status (6)
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2224869C3 (de) * | 1972-05-20 | 1975-12-11 | Chemische Werke Huels Ag, 4370 Marl | Verfahren zur Herstellung von Dimethylterephthalat |
| 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 |
| ES419510A1 (es) * | 1972-12-15 | 1976-04-16 | Huels Chemische Werke Ag | Procedimiento para la esterificacion en la fase gaseosa de acido tereftalico. |
| US4015943A (en) * | 1972-12-15 | 1977-04-05 | Chemische Werke Huls Aktiengesellschaft | Apparatus for the esterification of terephthalic acid in the gas phase |
| 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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 BE BE693772D patent/BE693772A/xx unknown
- 1967-02-07 CH CH175867A patent/CH499482A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NL150423B (nl) | 1976-08-16 |
| CH499482A (de) | 1970-11-30 |
| DE1618639C3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-06-20 |
| DE1618639B2 (de) | 1973-11-22 |
| US3377376A (en) | 1968-04-09 |
| DE1618639A1 (de) | 1971-02-25 |
| GB1124615A (en) | 1968-08-21 |
| BE693772A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-08-07 |