Making microcapsules or microballoons

Introduced: September 1968

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

Of 4 combined children, 3 exist in both systems.

1 codes are CPC-only extensions.

IPC defines codes here since 1990.

Child Classifications

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B01J 13/025 CPC only CPC only
B01J 13/04 by physical processes, e.g. drying, spraying since 1990 +2 CPC IPC+CPC Available in IPC and CPC
B01J 13/06 by phase separation since 1990 IPC+CPC Available in IPC and CPC
B01J 13/20 After-treatment of capsule walls, e.g. hardening since 1990 +2 CPC IPC+CPC Available in IPC and CPC