CPC Subgroup
C08K 5/52 Phosphorus bound to oxygen only
Full Title
Use of organic ingredients > Phosphorus-containing compounds > Phosphorus bound to oxygen > Phosphorus bound to oxygen only
5 direct subcodes
Child Classifications
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- C08K 5/521 Esters of phosphoric acids, e.g. of H3PO4
- C08K 5/524 Esters of phosphorous acids, e.g. of H3PO3
- C08K 5/527 Cyclic esters
- C08K 5/529 Esters containing heterocyclic rings not representing cyclic esters of phosphoric or phosphorous acids