1. CPC Sections
  2. CPC Section C
  3. CPC Class C08
  4. CPC Subclass C08H
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Version: 2024.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
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C08H
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS (polysaccharides C08B; natural rubber C08C; natural resins or their derivatives C09F; bituminous materials C10) [2019-08]
WARNING

  • The following IPC groups are not in the CPC scheme. The subject matter for these IPC groups is classified in the following CPC groups:
    C08H7/00 covered by C08H 6/00
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]
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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} [2017-08]