CH505865A - Process for the production of polyesters - Google Patents

Process for the production of polyesters

Info

Publication number
CH505865A
CH505865A CH1728368A CH1728368A CH505865A CH 505865 A CH505865 A CH 505865A CH 1728368 A CH1728368 A CH 1728368A CH 1728368 A CH1728368 A CH 1728368A CH 505865 A CH505865 A CH 505865A
Authority
CH
Switzerland
Prior art keywords
polyesters
production
Prior art date
Application number
CH1728368A
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
Application filed by Sandoz Ag filed Critical Sandoz Ag
Publication of CH505865A publication Critical patent/CH505865A/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
    • C08G63/83—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

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)
CH1728368A 1967-12-15 1968-11-20 Process for the production of polyesters CH505865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT1136867A AT290131B (en) 1967-12-15 1967-12-15 Process for the production of polyesters and copolyesters

Publications (1)

Publication Number Publication Date
CH505865A true CH505865A (en) 1971-04-15

Family

ID=3628317

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1728368A CH505865A (en) 1967-12-15 1968-11-20 Process for the production of polyesters

Country Status (8)

Country Link
AT (1) AT290131B (en)
BE (1) BE725465A (en)
CH (1) CH505865A (en)
DE (1) DE1812378A1 (en)
ES (1) ES361394A1 (en)
FR (1) FR1597820A (en)
GB (1) GB1236480A (en)
NL (1) NL6817641A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874562A (en) * 2019-05-13 2021-12-31 韩国商东丽先端素材股份有限公司 Polyester composition for heat-bondable fibers, heat-bondable conjugate fibers obtained therefrom, and nonwoven fabric

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874562A (en) * 2019-05-13 2021-12-31 韩国商东丽先端素材股份有限公司 Polyester composition for heat-bondable fibers, heat-bondable conjugate fibers obtained therefrom, and nonwoven fabric
CN113874562B (en) * 2019-05-13 2023-11-24 韩国商东丽先端素材股份有限公司 Polyester composition for thermal bonding fiber, thermal bonding composite fiber and nonwoven fabric obtained therefrom

Also Published As

Publication number Publication date
FR1597820A (en) 1970-06-29
GB1236480A (en) 1971-06-23
NL6817641A (en) 1969-06-17
ES361394A1 (en) 1970-09-01
BE725465A (en) 1969-05-16
DE1812378A1 (en) 1969-07-10
AT290131B (en) 1971-05-25

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Legal Events

Date Code Title Description
PL Patent ceased