AT284090B - Process for the production of pure, colorless diphenyl terephthalate - Google Patents

Process for the production of pure, colorless diphenyl terephthalate

Info

Publication number
AT284090B
AT284090B AT1179668A AT1179668A AT284090B AT 284090 B AT284090 B AT 284090B AT 1179668 A AT1179668 A AT 1179668A AT 1179668 A AT1179668 A AT 1179668A AT 284090 B AT284090 B AT 284090B
Authority
AT
Austria
Prior art keywords
colorless
pure
production
diphenyl terephthalate
diphenyl
Prior art date
Application number
AT1179668A
Other languages
German (de)
Inventor
Sasanka Sekhar Dipl Che Naskar
Hans-Leo Dr Rer Nat Huelsmann
Gustav Dr Rer Nat Renckhoff
Original Assignee
Chemische Werke Witten Gmbh
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
Application filed by Chemische Werke Witten Gmbh filed Critical Chemische Werke Witten Gmbh
Application granted granted Critical
Publication of AT284090B publication Critical patent/AT284090B/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT1179668A 1968-01-31 1968-12-04 Process for the production of pure, colorless diphenyl terephthalate AT284090B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0055221 1968-01-31

Publications (1)

Publication Number Publication Date
AT284090B true AT284090B (en) 1970-08-25

Family

ID=7056344

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1179668A AT284090B (en) 1968-01-31 1968-12-04 Process for the production of pure, colorless diphenyl terephthalate

Country Status (6)

Country Link
AT (1) AT284090B (en)
BE (1) BE727651A (en)
DE (1) DE1668884A1 (en)
ES (1) ES362923A2 (en)
NL (1) NL6901521A (en)
PL (1) PL76029B3 (en)

Also Published As

Publication number Publication date
PL76029B3 (en) 1975-02-28
DE1668884A1 (en) 1971-09-09
BE727651A (en) 1969-07-30
NL6901521A (en) 1969-08-04
ES362923A2 (en) 1970-12-01

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee