C CHEMISTRY; METALLURGY
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
C08K5/00 Use of organic ingredients
C08K5/56 Organo-metallic compounds, i.e. organic compounds containing a metal-to-carbon bond