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IG Farbenindustrie AG
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IG Farbenindustrie AG
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Publication of FR769919ApublicationCriticalpatent/FR769919A/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
C08G4/00—Condensation polymers of aldehydes or ketones with polyalcohols; Addition polymers of heterocyclic oxygen compounds containing in the ring at least once the grouping —O—C—O—
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FR769919D1933-03-111934-03-10Produits de condensation résineux et procédé pour les préparer
ExpiredFR769919A
(fr)