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
C08K5/49
Phosphorus-containing compounds
C08K5/51
Phosphorus bound to oxygen
C08K5/52
Phosphorus bound to oxygen only
C08K5/524
Esters of phosphorous acids, e.g. of H3PO3
C08K5/526
with hydroxyaryl compounds