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Publication of BE518796ApublicationCriticalpatent/BE518796A/xx
B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
B32B27/00—Layered products comprising a layer of synthetic resin
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
C08L61/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
C08L61/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
C08L61/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine