FR2021615A1 - - Google Patents

Info

Publication number
FR2021615A1
FR2021615A1 FR6936650A FR6936650A FR2021615A1 FR 2021615 A1 FR2021615 A1 FR 2021615A1 FR 6936650 A FR6936650 A FR 6936650A FR 6936650 A FR6936650 A FR 6936650A FR 2021615 A1 FR2021615 A1 FR 2021615A1
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.)
Withdrawn
Application number
FR6936650A
Other languages
French (fr)
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.)
Kanegafuchi Spinning Co Ltd
Original Assignee
Kanegafuchi Spinning 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
Application filed by Kanegafuchi Spinning Co Ltd filed Critical Kanegafuchi Spinning Co Ltd
Publication of FR2021615A1 publication Critical patent/FR2021615A1/fr
Withdrawn legal-status Critical Current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)
FR6936650A 1968-10-25 1969-10-24 Withdrawn FR2021615A1 (OSRAM)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP7812368 1968-10-25
JP7812268 1968-10-25

Publications (1)

Publication Number Publication Date
FR2021615A1 true FR2021615A1 (OSRAM) 1970-07-24

Family

ID=26419200

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6936650A Withdrawn FR2021615A1 (OSRAM) 1968-10-25 1969-10-24

Country Status (4)

Country Link
US (1) US3781245A (OSRAM)
DE (1) DE1953706C3 (OSRAM)
FR (1) FR2021615A1 (OSRAM)
GB (1) GB1283247A (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4260735A (en) * 1980-02-12 1981-04-07 Allied Chemical Corporation Catalytic process for preparation of polyesters
CA1220889A (en) * 1982-06-08 1987-04-21 Dart Industries Inc. Process for the production of aromatic polyesters
US4639504A (en) * 1982-06-08 1987-01-27 Dart Industries Inc. Production of thermally stabilized aromatic polyesters
US4654399A (en) * 1983-06-02 1987-03-31 The Goodyear Tire & Rubber Company Composition and process for making an amber colored polyester

Also Published As

Publication number Publication date
DE1953706C3 (de) 1978-10-26
DE1953706A1 (de) 1970-05-14
US3781245A (en) 1973-12-25
GB1283247A (en) 1972-07-26
DE1953706B2 (de) 1978-03-02

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Legal Events

Date Code Title Description
ST Notification of lapse