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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
C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
C08G8/28—Chemically modified polycondensates
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FR469832D1914-03-141914-03-14Procédé pour la fabrication de produits de condensation du phénol avec l'aldéhyde formique et autres substances
ExpiredFR469832A
(fr)
Procédé pour la fabrication de produits durs de condensation de l'aldéhyde formique et du phénol avec le goudron de houille, la térébenthine et autres matières organiques
Procédé pour la préparation de revêtements résistants sur des surfaces métalliques ou autres, à l'aide de produits de condensation duphénol et du formaldéhyde etde matières fibreuses