AT305629B - Verfahren zur Herstellung von Polyestern - Google Patents

Verfahren zur Herstellung von Polyestern

Info

Publication number
AT305629B
AT305629B AT744570A AT744570A AT305629B AT 305629 B AT305629 B AT 305629B AT 744570 A AT744570 A AT 744570A AT 744570 A AT744570 A AT 744570A AT 305629 B AT305629 B AT 305629B
Authority
AT
Austria
Prior art keywords
polyesters
production
Prior art date
Application number
AT744570A
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 AT744570A priority Critical patent/AT305629B/de
Priority to DE19712140879 priority patent/DE2140879A1/de
Priority to NL7111248A priority patent/NL7111248A/xx
Priority to FR7129939A priority patent/FR2102308A1/fr
Application granted granted Critical
Publication of AT305629B publication Critical patent/AT305629B/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

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)
AT744570A 1970-08-17 1970-08-17 Verfahren zur Herstellung von Polyestern AT305629B (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT744570A AT305629B (de) 1970-08-17 1970-08-17 Verfahren zur Herstellung von Polyestern
DE19712140879 DE2140879A1 (de) 1970-08-17 1971-08-14 Verfahren zur Herstellung von Polyestern
NL7111248A NL7111248A (de) 1970-08-17 1971-08-16
FR7129939A FR2102308A1 (en) 1970-08-17 1971-08-17 Polycondensation catalyst - for colourless polyester prepn consisting of polymeric germanium hydride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT744570A AT305629B (de) 1970-08-17 1970-08-17 Verfahren zur Herstellung von Polyestern

Publications (1)

Publication Number Publication Date
AT305629B true AT305629B (de) 1973-03-12

Family

ID=3596126

Family Applications (1)

Application Number Title Priority Date Filing Date
AT744570A AT305629B (de) 1970-08-17 1970-08-17 Verfahren zur Herstellung von Polyestern

Country Status (4)

Country Link
AT (1) AT305629B (de)
DE (1) DE2140879A1 (de)
FR (1) FR2102308A1 (de)
NL (1) NL7111248A (de)

Also Published As

Publication number Publication date
DE2140879A1 (de) 1972-03-23
NL7111248A (de) 1972-02-21
FR2102308A1 (en) 1972-04-07

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Legal Events

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