C
SECTION C — CHEMISTRY AND METALLURGY
  
CHEMISTRY
 C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON (production of artificial threads, fibres, bristles or ribbons D01)
 C08H
DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS (polysaccharides C08B; natural rubber C08C)
 C08H 1/00 - 
C08H 5/00
Preparation
 C08H 1/00
Macromolecular products derived from proteins (food proteins A23; glue, gelatine C09H)
 C08H 1/02
·  Protein-aldehyde condensates
 C08H 1/04
·  ·  Casein-aldehyde condensates
 C08H 1/06
·  derived from horn, hoofs, hair, skin, or leather
 C08H 3/00
Vulcanised oils, e.g. factice
 C08H 5/00
Other macromolecular compounds (natural resins and their derivatives C09F; bituminous materials C10)
 C08H 5/02
·  derived from lignin
 C08H 5/04
·  derived from lignocellulosic materials
 C08H 7/00 - 
C08H 15/00
( transferred to C08L )
 C08H 17/00
( transferred to C08K )
 C08H 19/00
( transferred to C08L )