DIFF Subgroup
C08J 9/04 using blowing gases generated by a previously added blowing agent
Introduced: July 1974
Full Title
Full titles differ between systems:
IPC:
Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof > using blowing gases generated by a previously added blowing agent
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) > using blowing gases generated by a previously added blowing agent
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
IPC defines codes here since 1974.
Child Classifications
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