C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS
 C09H
PREPARATION OF GLUE OR GELATINE
 C09H 1/00
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)
 C09H 3/00
Isolation of glue or gelatine from raw materials, e.g. by extracting, by heating (gelatine for foodstuffs A23J 1/10)
 C09H 3/02
·  Purification of solutions of gelatine
 C09H 5/00
Stabilisation of solutions of glue or gelatine
 C09H 7/00
Preparation of water-insoluble gelatine
 C09H 9/00
Drying of glue or gelatine
 C09H 9/02
·  in the form of foils
 C09H 9/04
·  in the form of granules, e.g. beads
 C09H 11/00
Adhesives based on glue or gelatine