JPS54122249A - Method of removing pptoluic acid and other carboxylic acids in some cases from terephthalaldehyde acid methyl ester or terephthalaldehyde acid methyl ester contained mixture - Google Patents

Method of removing pptoluic acid and other carboxylic acids in some cases from terephthalaldehyde acid methyl ester or terephthalaldehyde acid methyl ester contained mixture

Info

Publication number
JPS54122249A
JPS54122249A JP2207279A JP2207279A JPS54122249A JP S54122249 A JPS54122249 A JP S54122249A JP 2207279 A JP2207279 A JP 2207279A JP 2207279 A JP2207279 A JP 2207279A JP S54122249 A JPS54122249 A JP S54122249A
Authority
JP
Japan
Prior art keywords
methyl ester
acid methyl
terephthalaldehyde
pptoluic
cases
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.)
Pending
Application number
JP2207279A
Other languages
English (en)
Japanese (ja)
Inventor
Tsuotsuhe Giyuntaa
Ausu Deru Fuyunten Herumuuto
Fuookuto Buiruherumu
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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel 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.)
Filing date
Publication date
Application filed by Dynamit Nobel AG filed Critical Dynamit Nobel AG
Publication of JPS54122249A publication Critical patent/JPS54122249A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C07C67/56—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C67/54—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
JP2207279A 1978-03-02 1979-02-28 Method of removing pptoluic acid and other carboxylic acids in some cases from terephthalaldehyde acid methyl ester or terephthalaldehyde acid methyl ester contained mixture Pending JPS54122249A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19782808867 DE2808867C3 (de) 1978-03-02 1978-03-02 Verfahren zur Entfernung von p-Toluylsäure und ggf. anderen aromatischen Carbonsäuren von Terephthalaldehydsäuremethylester oder Terephthalaldehydsäuremethylester enthaltenden Gemischen

Publications (1)

Publication Number Publication Date
JPS54122249A true JPS54122249A (en) 1979-09-21

Family

ID=6033283

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2207279A Pending JPS54122249A (en) 1978-03-02 1979-02-28 Method of removing pptoluic acid and other carboxylic acids in some cases from terephthalaldehyde acid methyl ester or terephthalaldehyde acid methyl ester contained mixture

Country Status (4)

Country Link
JP (1) JPS54122249A (fr)
BE (1) BE874551A (fr)
DE (1) DE2808867C3 (fr)
FR (1) FR2418785A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7692226B2 (en) * 2005-12-26 2010-04-06 Won-Ho Lee CMOS image sensor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7692226B2 (en) * 2005-12-26 2010-04-06 Won-Ho Lee CMOS image sensor

Also Published As

Publication number Publication date
DE2808867A1 (de) 1979-09-06
BE874551A (fr) 1979-07-02
DE2808867B2 (de) 1980-07-03
FR2418785B1 (fr) 1983-01-21
DE2808867C3 (de) 1981-03-12
FR2418785A1 (fr) 1979-09-28

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