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CH510072A - Process for the production of polyesters - Google Patents

Process for the production of polyesters

Info

Publication number
CH510072A
CH510072A CH1717668A CH1717668A CH510072A CH 510072 A CH510072 A CH 510072A CH 1717668 A CH1717668 A CH 1717668A CH 1717668 A CH1717668 A CH 1717668A CH 510072 A CH510072 A CH 510072A
Authority
CH
Switzerland
Prior art keywords
polyesters
production
Prior art date
Application number
CH1717668A
Other languages
German (de)
Inventor
Josef Dr Hrach
Theodor Dr Wimmer
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
Priority claimed from AT1136667A external-priority patent/AT279175B/en
Priority claimed from AT303468A external-priority patent/AT289392B/en
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of CH510072A publication Critical patent/CH510072A/en

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
    • 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
    • C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, 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)
CH1717668A 1967-12-15 1968-11-18 Process for the production of polyesters CH510072A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1136667A AT279175B (en) 1967-12-15 1967-12-15 Process for the production of polyesters and copolyesters
AT303468A AT289392B (en) 1968-03-28 1968-03-28 Process for the production of polyesters and copolyesters

Publications (1)

Publication Number Publication Date
CH510072A true CH510072A (en) 1971-07-15

Family

ID=25599470

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1717668A CH510072A (en) 1967-12-15 1968-11-18 Process for the production of polyesters

Country Status (7)

Country Link
BE (1) BE725464A (en)
CH (1) CH510072A (en)
DE (1) DE1812334A1 (en)
ES (1) ES361393A1 (en)
FR (1) FR1597795A (en)
GB (1) GB1236479A (en)
NL (1) NL6817824A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111514876B (en) * 2019-02-02 2023-06-02 航天长征化学工程股份有限公司 Catalyst for preparing ethylene glycol and application thereof

Also Published As

Publication number Publication date
BE725464A (en) 1969-05-16
GB1236479A (en) 1971-06-23
FR1597795A (en) 1970-06-29
DE1812334A1 (en) 1969-07-10
NL6817824A (en) 1969-06-17
ES361393A1 (en) 1970-11-01

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Legal Events

Date Code Title Description
PL Patent ceased