DIFF Subgroup
B22C 1/16 characterised by the use of binding agents; Mixtures of binding agents
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds > characterised by the use of binding agents; Mixtures of binding agents
CPC:
Compositions of refractory mould or core materials; Grain structures thereof (refractory materials in general C04B35/00); Chemical or physical features in the formation or manufacture of moulds > characterised by the use of binding agents; Mixtures of binding agents
CPC subdivides this area 3x more granularly than IPC with 3 additional codes.
3 codes are CPC-only extensions.
Child Classifications
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