ES433092A1 - Procedimiento para reducir el contenido de ester metilico del acido tereftalaldehidico en el dimetiltereftalato. - Google Patents

Procedimiento para reducir el contenido de ester metilico del acido tereftalaldehidico en el dimetiltereftalato.

Info

Publication number: ES433092A1
Authority: ES; Spain
Prior art keywords: methyl ester; dimethyl terephthalate; content; acid methyl; reducing
Prior art date: 1973-12-20
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

Application number

ES433092A

Other languages

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Huels AG

Original Assignee

Chemische Werke Huels AG

Priority date (The priority date 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 date listed.)

1973-12-20

Filing date

1974-12-19

Publication date

1976-12-01

1973-12-20 Priority claimed from DE19732363413 external-priority patent/DE2363413C3/de

1974-12-19 Application filed by Chemische Werke Huels AG filed Critical Chemische Werke Huels AG

1976-12-01 Publication of ES433092A1 publication Critical patent/ES433092A1/es

Status Expired legal-status Critical Current

Links

WOZVHXUHUFLZGK-UHFFFAOYSA-N dimethyl terephthalate Chemical compound COC(=O)C1=CC=C(C(=O)OC)C=C1 WOZVHXUHUFLZGK-UHFFFAOYSA-N 0.000 title abstract 6
238000000034 method Methods 0.000 title abstract 2
-1 terephthalaldehyde acid methyl ester Chemical class 0.000 title 1
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 abstract 2
QPJVMBTYPHYUOC-UHFFFAOYSA-N methyl benzoate Chemical compound COC(=O)C1=CC=CC=C1 QPJVMBTYPHYUOC-UHFFFAOYSA-N 0.000 abstract 2
GOUHYARYYWKXHS-UHFFFAOYSA-N 4-formylbenzoic acid Chemical compound OC(=O)C1=CC=C(C=O)C=C1 GOUHYARYYWKXHS-UHFFFAOYSA-N 0.000 abstract 1
239000003054 catalyst Substances 0.000 abstract 1
125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 abstract 1
238000004821 distillation Methods 0.000 abstract 1
239000012535 impurity Substances 0.000 abstract 1
150000004702 methyl esters Chemical class 0.000 abstract 1
229910052763 palladium Inorganic materials 0.000 abstract 1
230000001131 transforming effect Effects 0.000 abstract 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/60—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

ES433092A 1973-12-20 1974-12-19 Procedimiento para reducir el contenido de ester metilico del acido tereftalaldehidico en el dimetiltereftalato. Expired ES433092A1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732363413 DE2363413C3 (de)		1973-12-20	Verfahren zur Reinigung von Dimethylterephthalat durch Verringerung seines Gehaltes an Terephthalaldehydsäuremethylester

Publications (1)

Publication Number	Publication Date
ES433092A1 true ES433092A1 (es)	1976-12-01

Family

ID=5901339

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
ES433093A Expired ES433093A1 (es)	1973-12-20	1974-12-19	Procedimiento para reducir el contenido de ester metilico del acido tereftalaldehidico en el dimetiltereftalato.
ES433092A Expired ES433092A1 (es)	1973-12-20	1974-12-19	Procedimiento para reducir el contenido de ester metilico del acido tereftalaldehidico en el dimetiltereftalato.

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
ES433093A Expired ES433093A1 (es)	1973-12-20	1974-12-19	Procedimiento para reducir el contenido de ester metilico del acido tereftalaldehidico en el dimetiltereftalato.

Country Status (8)

Country	Link
JP (1)	JPS5095238A (es)
BE (1)	BE823735A (es)
ES (2)	ES433093A1 (es)
FR (1)	FR2255285A1 (es)
GB (1)	GB1491737A (es)
IT (1)	IT1032172B (es)
NL (1)	NL7416594A (es)
RO (1)	RO65161A (es)

1974
- 1974-12-16 RO RO7480811A patent/RO65161A/ro unknown
- 1974-12-18 GB GB5458874A patent/GB1491737A/en not_active Expired
- 1974-12-18 IT IT5463074A patent/IT1032172B/it active
- 1974-12-19 ES ES433093A patent/ES433093A1/es not_active Expired
- 1974-12-19 FR FR7441996A patent/FR2255285A1/fr not_active Withdrawn
- 1974-12-19 NL NL7416594A patent/NL7416594A/xx not_active Application Discontinuation
- 1974-12-19 ES ES433092A patent/ES433092A1/es not_active Expired
- 1974-12-20 JP JP14668174A patent/JPS5095238A/ja active Pending
- 1974-12-20 BE BE151839A patent/BE823735A/xx unknown

Also Published As

Publication number	Publication date
RO65161A (ro)	1980-06-15
GB1491737A (en)	1977-11-16
IT1032172B (it)	1979-05-30
JPS5095238A (es)	1975-07-29
BE823735A (fr)	1975-04-16
DE2363413A1 (de)	1975-07-03
FR2255285A1 (es)	1975-07-18
DE2363413B2 (de)	1977-05-18
ES433093A1 (es)	1976-12-01
NL7416594A (nl)	1975-06-24

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