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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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PREPARATION OF GLUE OR GELATINE
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Pretreatment of collagen-containing raw materials for the manufacture of glue
C09H 1/02
.
of bones (defatting bones C11B)
C09H 1/04
.
of hides, hoofs, or leather scrap (recovery of tanning agents C14C)
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Isolation of glue or gelatine from raw materials, e.g. by extrating, by heating (gelatine for foodstuffs A23J 1/10)
C09H 3/02
.
Purification of sulutions of gelatine
Stabilisation of solutions of glue or gelatine
Preparation of water-insoluble gelatine
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Drying of glue or gelatine
C09H 9/02
.
in the form of foils
C09H 9/04
.
in the form of granules, e.g. beads
Adhesives based on glue or gelatine
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Last Modified: 10/10/2013