Cooperative Patent Classification


Version: 2017.05
CPC
COOPERATIVE PATENT CLASSIFICATION
C08H
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS (polysaccharides C08B; natural rubber C08C; natural resins or their derivatives C09F; bituminous materials C10) [2017-05]
WARNING

  • The following IPC groups are not used in the CPC scheme. Subject matter covered by these groups is classified in the following CPC groups:
    C08H7/00 covered by
Preparation [2013-01]
C08H 1/00
Macromolecular products derived from proteins (food proteins A23; glue, gelatine C09H) [2013-01]
C08H 1/02
.
Protein-aldehyde condensates [2013-01]
C08H 1/04
. .
Casein-aldehyde condensates [2013-01]
C08H 1/06
.
derived from horn, hoofs, hair, skin or leather [2013-01]
C08H 3/00
Vulcanised oils, e.g. factice [2013-01]
C08H 6/00
{Macromolecular compounds derived from lignin, e.g. tannins, humic acids} [2016-11]
NOTE

  • Attention is drawn to the following place, which could be of interest for search:
C08H 8/00
Macromolecular compounds derived from lignocellulosic materials {(pretreatment thereof B27N)} [2013-01]
C08H 99/00
Subject matter not provided for in other groups of this subclass, {e.g. flours, kernels} [2013-01]