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C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
C—CHEMISTRY; METALLURGY
C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers