FR1235714A - Procédé de fractionnement d'un mélange de méthyl-éthyl-pyridine et méthyl-vinylpyridine par distillation en courant d'un gaz incondensable
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Procédé de fractionnement d'un mélange de méthyl-éthyl-pyridine et méthyl-vinylpyridine par distillation en courant d'un gaz incondensable
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Sicedison SpA
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Sicedison SpA
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C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
C07D213/02—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members
C07D213/89—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members having three double bonds between ring members or between ring members and non-ring members with hetero atoms directly attached to the ring nitrogen atom
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FR801671A1958-11-271959-07-31Procédé de fractionnement d'un mélange de méthyl-éthyl-pyridine et méthyl-vinylpyridine par distillation en courant d'un gaz incondensable
ExpiredFR1235714A
(fr)