FR2142070B1 - - Google Patents

Info

Publication number
FR2142070B1
FR2142070B1 FR7221970A FR7221970A FR2142070B1 FR 2142070 B1 FR2142070 B1 FR 2142070B1 FR 7221970 A FR7221970 A FR 7221970A FR 7221970 A FR7221970 A FR 7221970A FR 2142070 B1 FR2142070 B1 FR 2142070B1
Authority
FR
France
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
FR7221970A
Other languages
French (fr)
Other versions
FR2142070A1 (enExample
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.)
Teijin Ltd
Original Assignee
Teijin 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 JP4382571A external-priority patent/JPS5336516B1/ja
Application filed by Teijin Ltd filed Critical Teijin Ltd
Publication of FR2142070A1 publication Critical patent/FR2142070A1/fr
Application granted granted Critical
Publication of FR2142070B1 publication Critical patent/FR2142070B1/fr
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
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/18—Dicarboxylic acids and dihydroxy compounds the acids or hydroxy compounds containing carbocyclic rings
    • C08G63/181—Acids containing aromatic rings
    • 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

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)
FR7221970A 1971-06-18 1972-06-19 Expired FR2142070B1 (enExample)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4382571A JPS5336516B1 (enExample) 1971-06-18 1971-06-18
US00262747A US3819584A (en) 1971-06-18 1972-06-14 Process for preparation of polyesters

Publications (2)

Publication Number Publication Date
FR2142070A1 FR2142070A1 (enExample) 1973-01-26
FR2142070B1 true FR2142070B1 (enExample) 1977-12-23

Family

ID=26383661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7221970A Expired FR2142070B1 (enExample) 1971-06-18 1972-06-19

Country Status (4)

Country Link
US (1) US3819584A (enExample)
DE (1) DE2229843C3 (enExample)
FR (1) FR2142070B1 (enExample)
GB (1) GB1399616A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69025599T2 (de) * 1990-06-25 1996-07-04 Showa Shell Sekiyu Verfahren zur Herstellung aromatischer Copolyester

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL97591C (enExample) * 1954-08-18
US3070575A (en) * 1958-01-27 1962-12-25 Du Pont Process for the preparation of polyesters from dicarboxylic acids and bis (hydroxy-alkyl) esters
GB1189262A (en) * 1967-01-24 1970-04-22 Asahi Chemical Ind Improvements in and relating to the preparation of Polyethylene Terephthalate

Also Published As

Publication number Publication date
DE2229843A1 (de) 1973-01-18
FR2142070A1 (enExample) 1973-01-26
US3819584A (en) 1974-06-25
GB1399616A (en) 1975-07-02
DE2229843B2 (de) 1977-08-18
DE2229843C3 (de) 1978-04-13

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Legal Events

Date Code Title Description
ST Notification of lapse