DIFF Subgroup
C08J 9/228 Forming foamed products
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 > Forming foamed products
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 > Forming foamed products
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1990.
Child Classifications
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