DIFF Subgroup
B22C 1/20 of organic 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 > of organic 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 > of organic agents
Of 4 combined children, 3 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- B22C 1/24 of oily or fatty substances; of distillation residues therefrom IPC+CPC Available in IPC and CPC