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PCE
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DIFF Subgroup
C08J 9/18

by impregnating polymer particles with the 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 > Making expandable particles > by impregnating polymer particles with the 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) > Making expandable particles > by impregnating polymer particles with the blowing agent

No child classifications to compare. This is a leaf node in both IPC and CPC.