AT305632B - Verfahren zur Herstellung von Polyestern - Google Patents

Verfahren zur Herstellung von Polyestern

Info

Publication number
AT305632B
AT305632B AT1141770A AT1141770A AT305632B AT 305632 B AT305632 B AT 305632B AT 1141770 A AT1141770 A AT 1141770A AT 1141770 A AT1141770 A AT 1141770A AT 305632 B AT305632 B AT 305632B
Authority
AT
Austria
Prior art keywords
polyesters
production
Prior art date
Application number
AT1141770A
Other languages
English (en)
Inventor
Lothar Dr Buxbaum
Original Assignee
Sandoz 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 Sandoz Ag filed Critical Sandoz Ag
Priority to AT1141770A priority Critical patent/AT305632B/de
Priority to IT7094571A priority patent/IT943143B/it
Priority to DE19712162551 priority patent/DE2162551A1/de
Priority to NL7117344A priority patent/NL7117344A/xx
Priority to FR7145456A priority patent/FR2118156A1/fr
Application granted granted Critical
Publication of AT305632B publication Critical patent/AT305632B/de

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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
    • C08G63/86—Germanium, antimony, or compounds thereof
    • C08G63/863—Germanium or compounds thereof
    • 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
    • C08G63/78—Preparation processes
    • C08G63/82—Preparation processes characterised by the catalyst used
    • C08G63/84—Boron, aluminium, gallium, indium, thallium, rare-earth metals, or compounds thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
AT1141770A 1970-12-18 1970-12-18 Verfahren zur Herstellung von Polyestern AT305632B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT1141770A AT305632B (de) 1970-12-18 1970-12-18 Verfahren zur Herstellung von Polyestern
IT7094571A IT943143B (it) 1970-12-18 1971-12-01 Procedimento per la preparazione di poliesteri
DE19712162551 DE2162551A1 (de) 1970-12-18 1971-12-16 Verfahren zur Herstellung von Polyestern
NL7117344A NL7117344A (de) 1970-12-18 1971-12-17
FR7145456A FR2118156A1 (en) 1970-12-18 1971-12-17 Polyesters prodn - using germanium alloy as catalyst for transesterification and polycondensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1141770A AT305632B (de) 1970-12-18 1970-12-18 Verfahren zur Herstellung von Polyestern

Publications (1)

Publication Number Publication Date
AT305632B true AT305632B (de) 1973-03-12

Family

ID=3628597

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1141770A AT305632B (de) 1970-12-18 1970-12-18 Verfahren zur Herstellung von Polyestern

Country Status (5)

Country Link
AT (1) AT305632B (de)
DE (1) DE2162551A1 (de)
FR (1) FR2118156A1 (de)
IT (1) IT943143B (de)
NL (1) NL7117344A (de)

Also Published As

Publication number Publication date
FR2118156A1 (en) 1972-07-28
NL7117344A (de) 1972-06-20
DE2162551A1 (de) 1972-07-06
IT943143B (it) 1973-04-02

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee