1. CPC Sections
  2. CPC Section C
  3. CPC Class C09
  4. CPC Subclass C09H
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CPC
COOPERATIVE PATENT CLASSIFICATION
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C09H
PREPARATION OF GLUE OR GELATINE [2018-08]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
C09H 1/00
Pretreatment of collagen-containing raw materials for the manufacture of glue [2013-01]
C09H 1/02
.
of bones (defatting bones C11B) [2013-01]
C09H 1/04
.
of hides, hoofs, or leather scrap (recovery of tanning agents C14C) [2013-01]
C09H 3/00
Isolation of glue or gelatine from raw materials, e.g. by extracting, by heating (gelatine for foodstuffs A23J 1/10) [2017-02]
C09H 3/02
.
Purification of solutions of gelatine [2017-02]
C09H 5/00
Stabilisation of solutions of glue or gelatine [2013-01]
C09H 7/00
Preparation of water-insoluble gelatine [2013-01]
C09H 9/00
Drying of glue or gelatine [2013-01]
C09H 9/02
.
in the form of foils [2013-01]
C09H 9/04
.
in the form of granules, e.g. beads [2013-01]
C09H 11/00
{Adhesives based on glue or gelatine} [2016-11]