DE1143503B - Verfahren zur Trennung von ª‡,ª‡,ª†- und ª‡,ª†,ª†-Trimethyladipinsaeure - Google Patents

Verfahren zur Trennung von ª‡,ª‡,ª†- und ª‡,ª†,ª†-Trimethyladipinsaeure

Info

Publication number
DE1143503B
DE1143503B DEB60454A DEB0060454A DE1143503B DE 1143503 B DE1143503 B DE 1143503B DE B60454 A DEB60454 A DE B60454A DE B0060454 A DEB0060454 A DE B0060454A DE 1143503 B DE1143503 B DE 1143503B
Authority
DE
Germany
Prior art keywords
trimethyladipic acid
acid
nitric acid
trimethyladipic
separation
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
DEB60454A
Other languages
German (de)
English (en)
Inventor
Dr Karl Schmitt
Dr Hans Heumann
Dr Wilhelm Pollack
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.)
Bergwerksgesellschaft Hibernia AG
Original Assignee
Bergwerksgesellschaft Hibernia 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 Bergwerksgesellschaft Hibernia AG filed Critical Bergwerksgesellschaft Hibernia AG
Priority to DEB60454A priority Critical patent/DE1143503B/de
Priority to CH1125461A priority patent/CH412842A/de
Priority to LU40654D priority patent/LU40654A1/xx
Priority to GB3841961A priority patent/GB954256A/en
Priority to BE611406A priority patent/BE611406A/fr
Publication of DE1143503B publication Critical patent/DE1143503B/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—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)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEB60454A 1960-12-12 1960-12-12 Verfahren zur Trennung von ª‡,ª‡,ª†- und ª‡,ª†,ª†-Trimethyladipinsaeure Pending DE1143503B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DEB60454A DE1143503B (de) 1960-12-12 1960-12-12 Verfahren zur Trennung von ª‡,ª‡,ª†- und ª‡,ª†,ª†-Trimethyladipinsaeure
CH1125461A CH412842A (de) 1960-12-12 1961-09-26 Verfahren zur Trennung von Isomerengemischen
LU40654D LU40654A1 (xx) 1960-12-12 1961-09-28
GB3841961A GB954256A (en) 1960-12-12 1961-10-26 Process for the separation of mixtures of isomers of tri-methyl adipic acid
BE611406A BE611406A (fr) 1960-12-12 1961-12-11 Procédé pour la séparation de mélanges d'isombres et produits obtenus.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEB60454A DE1143503B (de) 1960-12-12 1960-12-12 Verfahren zur Trennung von ª‡,ª‡,ª†- und ª‡,ª†,ª†-Trimethyladipinsaeure

Publications (1)

Publication Number Publication Date
DE1143503B true DE1143503B (de) 1963-02-14

Family

ID=6972835

Family Applications (1)

Application Number Title Priority Date Filing Date
DEB60454A Pending DE1143503B (de) 1960-12-12 1960-12-12 Verfahren zur Trennung von ª‡,ª‡,ª†- und ª‡,ª†,ª†-Trimethyladipinsaeure

Country Status (5)

Country Link
BE (1) BE611406A (xx)
CH (1) CH412842A (xx)
DE (1) DE1143503B (xx)
GB (1) GB954256A (xx)
LU (1) LU40654A1 (xx)

Also Published As

Publication number Publication date
GB954256A (en) 1964-04-02
LU40654A1 (xx) 1961-11-28
CH412842A (de) 1966-05-15
BE611406A (fr) 1962-03-30

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