CH444883A - Verfahren zur Herstellung cyclischer Dicarbonate - Google Patents

Verfahren zur Herstellung cyclischer Dicarbonate

Info

Publication number
CH444883A
CH444883A CH72264A CH72264A CH444883A CH 444883 A CH444883 A CH 444883A CH 72264 A CH72264 A CH 72264A CH 72264 A CH72264 A CH 72264A CH 444883 A CH444883 A CH 444883A
Authority
CH
Switzerland
Prior art keywords
dicarbonates
making cyclic
cyclic
making
cyclic dicarbonates
Prior art date
Application number
CH72264A
Other languages
German (de)
English (en)
Inventor
Clifford Oxenrider Bryce
Milton Hetterly Ralph
Original Assignee
Allied Chem
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 Allied Chem filed Critical Allied Chem
Publication of CH444883A publication Critical patent/CH444883A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/04—Aromatic polycarbonates
    • C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
    • 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
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/20—General preparatory processes
    • C08G64/30—General preparatory processes using carbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Polyesters Or Polycarbonates (AREA)
CH72264A 1963-02-04 1964-01-22 Verfahren zur Herstellung cyclischer Dicarbonate CH444883A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US256098A US3297634A (en) 1963-02-04 1963-02-04 Cyclic dicarbonate

Publications (1)

Publication Number Publication Date
CH444883A true CH444883A (de) 1967-10-15

Family

ID=22971097

Family Applications (1)

Application Number Title Priority Date Filing Date
CH72264A CH444883A (de) 1963-02-04 1964-01-22 Verfahren zur Herstellung cyclischer Dicarbonate

Country Status (6)

Country Link
US (1) US3297634A (instruction)
BE (1) BE643250A (instruction)
CH (1) CH444883A (instruction)
DE (1) DE1493409A1 (instruction)
GB (1) GB995813A (instruction)
NL (1) NL6400872A (instruction)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992432A (en) * 1967-04-05 1976-11-16 Continental Oil Company Phase transfer catalysis of heterogeneous reactions by quaternary salts
US4740583A (en) * 1984-05-11 1988-04-26 General Electric Company Method for converting cyclic polycarbonate oligomer mixtures to linear polycarbonate, and composition resulting therefrom
US4644053A (en) * 1984-05-11 1987-02-17 General Electric Company Cyclic polycarbonate oligomers and methods for their preparation and use
US4931571A (en) * 1984-10-25 1990-06-05 Scientific Design Company, Inc. Process for preparing alkylene carbonates from alkylene oxides
US4727134A (en) * 1985-02-22 1988-02-23 General Electric Company Method for preparing cyclic polycarbonate oligomer mixtures
US4701538A (en) * 1985-11-12 1987-10-20 General Electric Company Composition comprising bicyclic carbonate oligomer
US4696998A (en) * 1986-07-28 1987-09-29 General Electric Company Cyclic heterocarbonates and methods for their preparation and use

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE620620A (instruction) *
FR1293289A (fr) * 1960-06-02 1962-05-11 Ciba Geigy Nouveaux bisphénols et polyphénols et leur préparation
NL291008A (instruction) * 1962-04-04 1900-01-01
US3155683A (en) * 1963-06-03 1964-11-03 Gen Electric Preparation of aromatic cyclic carbonates

Also Published As

Publication number Publication date
GB995813A (en) 1965-06-23
NL6400872A (instruction) 1964-08-05
DE1493409A1 (de) 1969-07-10
BE643250A (instruction) 1964-05-15
US3297634A (en) 1967-01-10

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