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PCE
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DIFF Subgroup
C10M 135/32

Heterocyclic sulfur, selenium or tellurium compounds

Introduced: January 1985

Full Title

Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium > Heterocyclic sulfur, selenium or tellurium compounds

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1985.

Child Classifications

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  • C10M 135/34 the ring containing sulfur and carbon only since 1985 IPC+CPC Available in IPC and CPC
  • C10M 135/36 the ring containing sulfur and carbon with nitrogen or oxygen since 1985 IPC+CPC Available in IPC and CPC