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IPC 7
C09H-C09H00904

SECTION C – CHEMISTRY; METALLURGY


C 09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; MISCELLANEOUS COMPOSITIONS; MISCELLANEOUS APPLICATIONS OF MATERIALS


C 09 HPREPARATION OF GLUE OR GELATINE


Note

 Processes using enzymes or micro-organisms in order to:

 (i)liberate, separate or purify a pre-existing compound or composition, or to

 (ii)treat textiles or clean solid surfaces of materials

 are further classified in subclass C12S.  [5]



1/

00Pretreatment of collagen-containing raw materials for the manufacture of glue

1/

02.of bones (defatting bones C11B)

1/

04.of hides, hoofs, or leather scrap (recovery of tanning agents C14C)


3/

00Isolation of glue or gelatine from raw materials, e.g. by extracting, by heating (gelatine for foodstuffs A23J 1/10)

3/

02.Purification of solutions of gelatine


5/

00Stabilisation of solutions of glue or gelatine


7/

00Preparation of water-insoluble gelatine


9/

00Drying of glue or gelatine

9/

02.in the form of foils

9/

04.in the form of granules, e.g. beads


  
 

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