Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)

Introduced: September 1968

Description

C08K covers the incorporation of inorganic or non-macromolecular organic additives into macromolecular compound formulations, including fillers, reinforcing agents, plasticizers, colorants, and processing aids. This subclass addresses how these low-molecular-weight or mineral substances modify the properties of polymers and elastomers during compounding or formulation. The classification encompasses additives for improving mechanical strength, flexibility, thermal stability, electrical conductivity, and aesthetic properties of plastic and rubber compositions. C08K excludes the additives themselves (which fall under their respective chemical classes) and focuses specifically on their use and effect within macromolecular systems.

Title

Titles differ between systems:

IPC: USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS

CPC: Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)

Full Title

Full titles differ between systems:

IPC:

USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS

CPC:

Use of inorganic or non-macromolecular organic substances as compounding ingredients (paints, inks, varnishes, dyes, polishes, adhesives C09)

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

Note: 1 CPC extensions are marked as secondary classification only.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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C08K 11/00 Use of ingredients of unknown constitution, e.g. undefined reaction products since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C08K 13/00 Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential since 1985 IPC+CPC Available in IPC and CPC
C08K 2201/00 Specific properties of additives 2nd only +15 CPC CPC only CPC only
C08K 3/00 Use of inorganic substances as compounding ingredients since 1974 IPC+CPC Available in IPC and CPC
C08K 5/00 Use of organic ingredients since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C08K 7/00 Use of ingredients characterised by shape since 1974 IPC+CPC Available in IPC and CPC
C08K 9/00 Use of pretreated ingredients since 1974 IPC+CPC Available in IPC and CPC