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