RO65161A - Procedeu pentru reducerea continutului de ester metilic al acidului tereftaldehidic din dimetiltereftalat - Google Patents

Procedeu pentru reducerea continutului de ester metilic al acidului tereftaldehidic din dimetiltereftalat

Info

Publication number
RO65161A
RO65161A RO7480811A RO8081174A RO65161A RO 65161 A RO65161 A RO 65161A RO 7480811 A RO7480811 A RO 7480811A RO 8081174 A RO8081174 A RO 8081174A RO 65161 A RO65161 A RO 65161A
Authority
RO
Romania
Prior art keywords
terefaldehyde
dimethyltereftalate
procedure
reducing
acid
Prior art date
Application number
RO7480811A
Other languages
English (en)
French (fr)
Inventor
Fritz Obenaus
Hans O Reitemeyer
Original Assignee
Chemische Werke Huls Ag,De
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.)
Filing date
Publication date
Priority claimed from DE19732363413 external-priority patent/DE2363413C3/de
Application filed by Chemische Werke Huls Ag,De filed Critical Chemische Werke Huls Ag,De
Publication of RO65161A publication Critical patent/RO65161A/ro

Links

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)
RO7480811A 1973-12-20 1974-12-16 Procedeu pentru reducerea continutului de ester metilic al acidului tereftaldehidic din dimetiltereftalat RO65161A (ro)

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
RO65161A true RO65161A (ro) 1980-06-15

Family

ID=5901339

Family Applications (1)

Application Number Title Priority Date Filing Date
RO7480811A RO65161A (ro) 1973-12-20 1974-12-16 Procedeu pentru reducerea continutului de ester metilic al acidului tereftaldehidic din dimetiltereftalat

Country Status (8)

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

Also Published As

Publication number Publication date
GB1491737A (en) 1977-11-16
IT1032172B (it) 1979-05-30
JPS5095238A (ro) 1975-07-29
ES433092A1 (es) 1976-12-01
BE823735A (fr) 1975-04-16
DE2363413A1 (de) 1975-07-03
FR2255285A1 (ro) 1975-07-18
DE2363413B2 (de) 1977-05-18
ES433093A1 (es) 1976-12-01
NL7416594A (nl) 1975-06-24

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