FR2232561B1 - - Google Patents

Info

Publication number
FR2232561B1
FR2232561B1 FR7419685A FR7419685A FR2232561B1 FR 2232561 B1 FR2232561 B1 FR 2232561B1 FR 7419685 A FR7419685 A FR 7419685A FR 7419685 A FR7419685 A FR 7419685A FR 2232561 B1 FR2232561 B1 FR 2232561B1
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
FR7419685A
Other languages
French (fr)
Other versions
FR2232561A1 (en
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 US05/449,012 external-priority patent/US3962190A/en
Application filed by Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of FR2232561A1 publication Critical patent/FR2232561A1/fr
Application granted granted Critical
Publication of FR2232561B1 publication Critical patent/FR2232561B1/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
    • C08G63/78—Preparation processes
    • C08G63/80—Solid-state polycondensation
    • 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
    • C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups

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)
FR7419685A 1973-06-08 1974-06-07 Expired FR2232561B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US36833473A 1973-06-08 1973-06-08
US05/449,012 US3962190A (en) 1974-03-07 1974-03-07 Chain couplers for polyesterification and novel polyesters

Publications (2)

Publication Number Publication Date
FR2232561A1 FR2232561A1 (en) 1975-01-03
FR2232561B1 true FR2232561B1 (en) 1978-11-17

Family

ID=27004145

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7419685A Expired FR2232561B1 (en) 1973-06-08 1974-06-07

Country Status (5)

Country Link
JP (1) JPS5033291A (en)
DE (1) DE2427598B2 (en)
FR (1) FR2232561B1 (en)
GB (1) GB1453220A (en)
IT (1) IT1013418B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184033A (en) * 1975-05-05 1980-01-15 General Electric Company Melt polymerization process for increasing the molecular weight of poly(1,4-butylene terephthalate)
JPS61191386U (en) * 1985-05-21 1986-11-28
JP2539162B2 (en) * 1993-09-09 1996-10-02 バラマン工業株式会社 Overhead traveling crane
EP0801089A1 (en) * 1996-04-12 1997-10-15 THE COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH Preparation of branched polycarbonates

Also Published As

Publication number Publication date
DE2427598A1 (en) 1974-12-19
IT1013418B (en) 1977-03-30
JPS5033291A (en) 1975-03-31
FR2232561A1 (en) 1975-01-03
GB1453220A (en) 1976-10-20
DE2427598B2 (en) 1977-08-18

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Legal Events

Date Code Title Description
ST Notification of lapse