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DIFF Main Group
C08J 9/00

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)

Introduced: July 1974

Title

Titles differ between systems:

IPC: Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof

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)

Full Title

Full titles differ between systems:

IPC:

Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof

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)

Of 20 combined children, 13 exist in both systems.

7 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

IPC defines codes here since 1974.

Child Classifications

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  • C08J 9/0061 CPC only CPC only
  • C08J 9/0085 CPC only CPC only
  • C08J 9/009 CPC only CPC only
  • C08J 9/0095 CPC only CPC only
  • C08J 9/02 using blowing gases generated by the reacting monomers or modifying agents during the preparation or modification of macromolecules since 1974 IPC+CPC Available in IPC and CPC
  • C08J 9/24 by surface fusion and bonding of particles to form voids, e.g. sintering (of expandable particles C08J9/232) since 1974 IPC+CPC Available in IPC and CPC
  • C08J 9/26 by elimination of a solid phase from a macromolecular composition or article, e.g. leaching out since 1974 IPC+CPC Available in IPC and CPC
  • C08J 9/30 by mixing gases into liquid compositions or plastisols, e.g. frothing with air since 1974 IPC+CPC Available in IPC and CPC
  • C08J 9/32 from compositions containing microballoons, e.g. syntactic foams since 1974 IPC+CPC Available in IPC and CPC
  • C08J 9/33 Agglomerating foam fragments, e.g. waste foam since 1990 IPC+CPC Available in IPC and CPC
  • C08J 9/34 Chemical features in the manufacture of articles consisting of a foamed macromolecular core and a macromolecular surface layer having a higher density than the core since 1974 IPC+CPC Available in IPC and CPC
  • C08J 9/35 Composite foams, i.e. continuous macromolecular foams containing discontinuous cellular particles or fragments since 1990 IPC+CPC Available in IPC and CPC