DIFF Subgroup
C08J 9/224 Surface treatment
Introduced: January 1990
Full Title
Full titles differ between systems:
IPC:
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof > After-treatment of expandable particles; Forming foamed products > Surface treatment
CPC:
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof (mechanical aspects of shaping of plastics or substances in a plastic state for the production of porous or cellular articles B29C) > After-treatment of expandable particles; Forming foamed products > Surface treatment
No child classifications to compare. This is a leaf node in both IPC and CPC.