BE626345A - - Google Patents

Info

Publication number
BE626345A
BE626345A BE626345DA BE626345A BE 626345 A BE626345 A BE 626345A BE 626345D A BE626345D A BE 626345DA BE 626345 A BE626345 A BE 626345A
Authority
BE
Belgium
Application number
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.)
Publication of BE626345A publication Critical patent/BE626345A/xx
Priority claimed from US161306A external-priority patent/US3221025A/en

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
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D321/00—Heterocyclic compounds containing rings having two oxygen atoms as the only ring hetero atoms, not provided for by groups C07D317/00 - C07D319/00
    • C07D321/12—Eight-membered rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D327/00—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms
    • C07D327/10—Heterocyclic compounds containing rings having oxygen and sulfur atoms as the only ring hetero atoms two oxygen atoms and one sulfur atom, e.g. cyclic sulfates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
BE626345D 1961-12-21 BE626345A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US161306A US3221025A (en) 1961-12-21 1961-12-21 Aromatic carbonates
US392060A US3220980A (en) 1961-12-21 1964-07-01 Polymerization of aromatic cyclic carbonate monomers

Publications (1)

Publication Number Publication Date
BE626345A true BE626345A (fr)

Family

ID=26857713

Family Applications (1)

Application Number Title Priority Date Filing Date
BE626345D BE626345A (fr) 1961-12-21

Country Status (2)

Country Link
US (1) US3220980A (fr)
BE (1) BE626345A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH419611A (de) * 1961-08-02 1966-08-31 Bayer Ag Verfahren zur Herstellung hochmolekularer linearer Polycarbonate
US4701537A (en) * 1985-01-02 1987-10-20 General Electric Company Aromatic bis cyclic carbonates
US4605731A (en) * 1985-04-16 1986-08-12 General Electric Company Method for preparing linear polycarbonate from cyclic oligomer with aryl carbanion generating catalyst
DE3607625A1 (de) * 1986-03-07 1987-09-10 Bayer Ag Verfahren zur herstellung von linearen aliphatischen polycarbonaten
DE4015163C2 (de) * 1990-05-11 1994-12-22 Bayer Ag Cyclische Carbonate der Bis(2-hydroxy-3-cycloalkyl-phenyl)methane und Verfahren zur Herstellung aromatischer Polycarbonate daraus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE630530A (fr) * 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
US3220980A (en) 1965-11-30

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