GB1392657A - Method for preparing polyesters - Google Patents

Method for preparing polyesters

Info

Publication number
GB1392657A
GB1392657A GB2089472A GB2089472A GB1392657A GB 1392657 A GB1392657 A GB 1392657A GB 2089472 A GB2089472 A GB 2089472A GB 2089472 A GB2089472 A GB 2089472A GB 1392657 A GB1392657 A GB 1392657A
Authority
GB
United Kingdom
Prior art keywords
preparing polyesters
polyesters
preparing
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2089472A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyobo Co Ltd
Original Assignee
Toyobo Co Ltd
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 JP3183871A external-priority patent/JPS5011954B1/ja
Priority claimed from JP251272A external-priority patent/JPS4869893A/ja
Priority claimed from JP270672A external-priority patent/JPS5029875B2/ja
Application filed by Toyobo Co Ltd filed Critical Toyobo Co Ltd
Publication of GB1392657A publication Critical patent/GB1392657A/en
Expired legal-status Critical Current

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

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)
GB2089472A 1971-05-12 1972-05-04 Method for preparing polyesters Expired GB1392657A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3183871A JPS5011954B1 (en) 1971-05-12 1971-05-12
JP251272A JPS4869893A (en) 1971-12-23 1971-12-23
JP270672A JPS5029875B2 (en) 1971-12-24 1971-12-24

Publications (1)

Publication Number Publication Date
GB1392657A true GB1392657A (en) 1975-04-30

Family

ID=27275392

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2089472A Expired GB1392657A (en) 1971-05-12 1972-05-04 Method for preparing polyesters

Country Status (4)

Country Link
DE (1) DE2222656A1 (en)
FR (1) FR2137847A1 (en)
GB (1) GB1392657A (en)
NL (1) NL7206408A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270640A1 (en) * 2000-08-22 2003-01-02 Mitsui Chemicals, Inc. Catalysts for polyester production, process for producing polyester, and polyester

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5323876B2 (en) * 1973-03-22 1978-07-17

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1270640A1 (en) * 2000-08-22 2003-01-02 Mitsui Chemicals, Inc. Catalysts for polyester production, process for producing polyester, and polyester
EP1270640A4 (en) * 2000-08-22 2003-01-02 Mitsui Chemicals Inc Catalysts for polyester production, process for producing polyester, and polyester
US6649731B2 (en) 2000-08-22 2003-11-18 Mitsui Chemicals, Inc. Catalysts for polyester production, process for producing polyester, and polyester
CN100436508C (en) * 2000-08-22 2008-11-26 三井化学株式会社 Catalysts for polyester production, process for producing polyester, and polyester

Also Published As

Publication number Publication date
NL7206408A (en) 1972-11-14
DE2222656A1 (en) 1972-11-23
FR2137847A1 (en) 1972-12-29

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee