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Leuna Werke GmbH
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Leuna Werke GmbH
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Priority to FR851973ApriorityCriticalpatent/FR1279090A/fr
Priority claimed from GB983461Aexternal-prioritypatent/GB921670A/en
Application grantedgrantedCritical
Publication of FR1279090ApublicationCriticalpatent/FR1279090A/fr
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
C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
C08G2/06—Catalysts
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
C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
C08G2/08—Polymerisation of formaldehyde
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Polymers & Plastics
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Organic Chemistry
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FR851973A1961-02-071961-02-07Procédé de préparation de polymères du formaldéhyde à poids moléculaire élevé et produits conformes à ceux obtenus
ExpiredFR1279090A
(fr)
Procédé de préparation de l'hydrochlorure de 5-bis-/beta-chloréthyle/-aminométhyleuracil et produits conformes à ceux obtenus par le présent procédé ou procédé similaire
Procédé de préparation de la 1, 2-diphényl-3, 5-dioxo-4-gamma-oxobutyl-pyrazolidine, et produits conformes à ceux obtenus par le présent procédé ou procédé similaire