DIFF Subgroup
B01J 29/035 silica polymorphs, e.g. silicalites
Introduced: January 1995
Title
Titles differ between systems:
IPC: Crystalline silica polymorphs, e.g. silicalites
CPC: silica polymorphs, e.g. silicalites
Full Title
Full titles differ between systems:
IPC:
Catalysts comprising molecular sieves > not having base-exchange properties > Crystalline silica polymorphs, e.g. silicalites
CPC:
Catalysts comprising molecular sieves > not having base-exchange properties > silica polymorphs, e.g. silicalites
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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