GB1110684A - Esterification of aromatic dicarboxylic acids - Google Patents
Esterification of aromatic dicarboxylic acidsInfo
- Publication number
- GB1110684A GB1110684A GB1040466A GB1040466A GB1110684A GB 1110684 A GB1110684 A GB 1110684A GB 1040466 A GB1040466 A GB 1040466A GB 1040466 A GB1040466 A GB 1040466A GB 1110684 A GB1110684 A GB 1110684A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- stream
- alcohol
- diester
- dicarboxylic acids
- 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
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
-
- 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)
- Catalysts (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US43892965A | 1965-03-11 | 1965-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1110684A true GB1110684A (en) | 1968-04-24 |
Family
ID=23742619
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1040466A Expired GB1110684A (en) | 1965-03-11 | 1966-03-09 | Esterification of aromatic dicarboxylic acids |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE677505A (da) |
CH (1) | CH467234A (da) |
DE (1) | DE1543454A1 (da) |
FR (1) | FR1496079A (da) |
GB (1) | GB1110684A (da) |
NL (1) | NL6601731A (da) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3940431A (en) * | 1972-05-20 | 1976-02-24 | Chemische Werke Huls Aktiengesellschaft | Dimethyl terephthalate prepared by the esterification of terephthalic acid |
US3972912A (en) * | 1972-12-15 | 1976-08-03 | Chemische Werke Huls Aktiengesellschaft | Process for the esterification of terephthalic acid in the gas phase |
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 |
US4015943A (en) * | 1972-12-15 | 1977-04-05 | Chemische Werke Huls Aktiengesellschaft | Apparatus for the esterification of terephthalic acid in the gas phase |
-
1966
- 1966-01-12 FR FR45705A patent/FR1496079A/fr not_active Expired
- 1966-02-04 CH CH158466A patent/CH467234A/de unknown
- 1966-02-07 DE DE19661543454 patent/DE1543454A1/de active Pending
- 1966-02-10 NL NL6601731A patent/NL6601731A/xx unknown
- 1966-03-08 BE BE677505D patent/BE677505A/xx unknown
- 1966-03-09 GB GB1040466A patent/GB1110684A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3940431A (en) * | 1972-05-20 | 1976-02-24 | Chemische Werke Huls Aktiengesellschaft | Dimethyl terephthalate prepared by the esterification of terephthalic acid |
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 |
US3972912A (en) * | 1972-12-15 | 1976-08-03 | Chemische Werke Huls Aktiengesellschaft | Process for the esterification of terephthalic acid in the gas phase |
US4015943A (en) * | 1972-12-15 | 1977-04-05 | Chemische Werke Huls Aktiengesellschaft | Apparatus for the esterification of terephthalic acid in the gas phase |
Also Published As
Publication number | Publication date |
---|---|
NL6601731A (da) | 1966-09-12 |
FR1496079A (fr) | 1967-09-29 |
BE677505A (da) | 1966-09-08 |
CH467234A (de) | 1969-01-15 |
DE1543454A1 (de) | 1969-09-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
BR9205884A (pt) | Processo para a preparação de um ácido tereftálico purificado contendo ácido p-tolúico | |
YU42487B (en) | Process for producing terephthalic acid from dimethylterephthalate as intermediary product | |
GB1110684A (en) | Esterification of aromatic dicarboxylic acids | |
CS193574B2 (en) | Process for preparing terephthalic acid by the reaction of dipotassium terephthalate and benzoic acid | |
US2584102A (en) | Supported phosphoric acid catalyst and its preparation | |
GB1425375A (en) | Process for the esterification of terephthalic acid | |
CA961034A (en) | Process for the industrial preparation of desoxyribonucleic acids of high molecular weight | |
ES531613A0 (es) | Procedimiento continuo para la oxidacion en fase vapor de butano a anhidrido maleico | |
GB1417387A (en) | Process for preparing cyclopentenone derivatives | |
US2493896A (en) | Preparation of silica-alumina catalyst | |
UA8349A1 (uk) | Спосіб отримання терефталевої кислоти | |
BE791138R (fr) | Procede de preparation de l'ester dimethylique de l'acide terephtaliqu | |
GB1449474A (en) | Process for the esterification of terepthalic acid | |
JPS57102825A (en) | Preparation of isobutylene oligomer | |
CA1030514A (en) | Process for preparing supported superacid catalysts suitable for alkylation of aromatic hydrocarbons | |
US2730530A (en) | Fatty acid anhydrides | |
JPS5726632A (en) | Purifying method of glycol | |
SU872455A1 (ru) | Способ очистки алюминатных растворов от органических веществ | |
GB1051947A (da) | ||
JPS5726630A (en) | Purifying method of glycol | |
GB1269393A (en) | Preparation of benzene and xylene by disproportionation of toluene | |
ES300772A1 (es) | Un procedimiento para la preparacion de ésteres diarilicos unitarios de acidos dicarboxilicos aromaticos | |
BE782617A (fr) | Procédé de préparation de produits réactions d'acide téréphtalique | |
CA873372A (en) | Process for the purification of terephthalic acids | |
ES409540A3 (es) | Un procedimiento para la preparacion de esteres dialcohili-cos del acido tereftalico. |