CH510071A - Verfahren zur Herstellung von Polyestern - Google Patents

Verfahren zur Herstellung von Polyestern

Info

Publication number
CH510071A
CH510071A CH1717568A CH1717568A CH510071A CH 510071 A CH510071 A CH 510071A CH 1717568 A CH1717568 A CH 1717568A CH 1717568 A CH1717568 A CH 1717568A CH 510071 A CH510071 A CH 510071A
Authority
CH
Switzerland
Prior art keywords
polyesters
production
Prior art date
Application number
CH1717568A
Other languages
English (en)
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 AT1136567A external-priority patent/AT279174B/de
Priority claimed from AT303368A external-priority patent/AT290132B/de
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of CH510071A publication Critical patent/CH510071A/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
    • C08G63/83—Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, 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
    • C08G63/85—Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof
CH1717568A 1967-12-15 1968-11-18 Verfahren zur Herstellung von Polyestern CH510071A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1136567A AT279174B (de) 1967-12-15 1967-12-15 Verfahren zur Herstellung von Polyestern und Copolyestern
AT303368A AT290132B (de) 1968-03-28 1968-03-28 Verfahren zur Herstellung von Polyestern und Copolyestern

Publications (1)

Publication Number Publication Date
CH510071A true CH510071A (de) 1971-07-15

Family

ID=25599466

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1717568A CH510071A (de) 1967-12-15 1968-11-18 Verfahren zur Herstellung von Polyestern

Country Status (7)

Country Link
BE (1) BE725463A (de)
CH (1) CH510071A (de)
DE (1) DE1812377A1 (de)
ES (1) ES361392A1 (de)
FR (1) FR1597794A (de)
GB (1) GB1236478A (de)
NL (1) NL6817788A (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008230A (en) * 1989-05-22 1991-04-16 Hoechst Celanese Corporation Catalyst for preparing high clarity, colorless polyethylene terephthalate
US5153164A (en) * 1989-05-22 1992-10-06 Hoechst Celanese Corporation Catalyst system for preparing polyethylene terephthalate

Also Published As

Publication number Publication date
FR1597794A (de) 1970-06-29
BE725463A (de) 1969-05-16
NL6817788A (de) 1969-06-17
ES361392A1 (es) 1970-11-01
DE1812377A1 (de) 1969-07-10
GB1236478A (en) 1971-06-23

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Legal Events

Date Code Title Description
PL Patent ceased