FR875282A - Procédé pour séparer l'amide méthacrylique du mélange provénant de la réaction de l'acétone-cyanhydrine avec l'acide sulfurique concentré
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Procédé pour séparer l'amide méthacrylique du mélange provénant de la réaction de l'acétone-cyanhydrine avec l'acide sulfurique concentré
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Roehm and Haas GmbH
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Roehm and Haas GmbH
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C07C233/01—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07C233/02—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
C07C233/09—Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic unsaturated carbon skeleton
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FR875282D1940-11-251941-09-13Procédé pour séparer l'amide méthacrylique du mélange provénant de la réaction de l'acétone-cyanhydrine avec l'acide sulfurique concentré
ExpiredFR875282A
(fr)
Procédé pour séparer l'acide dextro-trans-pyréthrique de l'acide dextro-trans-B-(2,2-diméthyl-3-méthoxycarbonyl-cyclopropyl) méthacrylique dans un mélange des deux composés
Procédé pour la séparation des produits de réaction résultant de la fabrication d'acrylnitrile à partir d'acétylène et d'acide cyanhydrique