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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
C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
C08G12/12—Ureas; Thioureas
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FR679321D1928-12-061928-12-06Procédé de condensation de l'urée ordinaire avec la formaldéhyde ou ses polymères et les produits obtenus par ce procédé
ExpiredFR679321A
(fr)
Procédé pour la fabrication d'objets obtenus par le pressage de produits de condensation de l'urée ou de la thio-urée ou des dérivés de ces corps et des aldéhydestelles que l'aldéhyde formique, etc., ou ses polymères ou des combinaisons dégageant des aldéhydes
Procédé pour la fabrication de produits de condensation de l'urée ou des dérivés de l'urée, d'une part, et de la formaldéhyde, d'autre part