DIFF Subgroup
B01J 13/04 by physical processes, e.g. drying, spraying
Introduced: January 1990
Full Title
Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons > Making microcapsules or microballoons > by physical processes, e.g. drying, spraying
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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