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)
 C08B
POLYSACCHARIDES; DERIVATIVES THEREOF (biological synthesis C12D; production of starch, sugar, or like carbohydrates C13; production of cellulose D21)
 C08B 1/00 - 
C08B 37/00
Preparation
 C08B 1/00
Preparatory treatment of cellulose for making derivatives thereof
 C08B 1/02
·  Rendering cellulose suitable for esterification
 C08B 1/04
·  ·  for the preparation of cellulose nitrate
 C08B 1/06
·  Rendering cellulose suitable for etherification
 C08B 1/08
·  alkali cellulose
 C08B 1/10
·  ·  Apparatus for the preparation of alkali cellulose
 C08B 1/12
·  ·  ·  Steeping devices
 C08B 1/14
·  ·  ·  Ripening devices
 C08B 3/00
Preparation of cellulose esters of organic acids
 C08B 3/02
·  Catalysts used for the esterification
 C08B 3/04
·  cellulose formate
 C08B 3/06
·  cellulose acetate
 C08B 3/08
·  of monobasic organic acids with three or more carbon atoms
 C08B 3/10
·  ·  with five or more carbon atoms
 C08B 3/12
·  of polybasic organic acids
 C08B 3/14
·  in which the organic acid residue contains substituents, e.g. NH2, Cl
 C08B 3/16
·  Preparation of mixed organic cellulose esters
 C08B 3/18
·  ·  Aceto-butyrates
 C08B 3/20
·  Esterification with maintenance of the fibrous structure of the cellulose (surface esterification of textiles D06M 13/00)
 C08B 3/22
·  Post-esterification treatments, including purification
 C08B 3/24
·  ·  Hydrolysis or ripening
 C08B 3/26
·  ·  Isolation of the cellulose ester
 C08B 3/28
·  ·  ·  by precipitation
 C08B 3/30
·  ·  Stabilising (by addition of stabilisers C08K)
 C08B 3/32
·  Recovery of waste materials
 C08B 5/00
Preparation of cellulose esters of inorganic acids
 C08B 5/02
·  cellulose nitrate
 C08B 5/04
·  ·  post-esterification treatments, including purification
 C08B 5/06
·  ·  ·  Isolation of the cellulose nitrate
 C08B 5/08
·  ·  ·  Stabilisation (by addition of stabilisers C08K)
 C08B 5/10
·  ·  ·  Reducing the viscosity
 C08B 5/12
·  ·  ·  Replacing the water by organic liquids
 C08B 5/14
·  cellulose sulphate
 C08B 5/16
·  Recovery of waste materials
 C08B 7/00
Preparation of cellulose esters of both organic and inorganic acids
 C08B 9/00
Cellulose xanthate; Viscose
 C08B 9/02
·  Sulphidisers; Dissolvers
 C08B 9/04
·  Continuous processes
 C08B 9/06
·  Single-stage processes
 C08B 9/08
·  Recovery of waste materials
 C08B 11/00
Preparation of cellulose ethers
 C08B 11/02
·  alkyl or cycloalkyl ethers
 C08B 11/04
·  ·  with substituted hydrocarbon radicals
 C08B 11/06
·  ·  ·  with halogen-substituted hydrocarbon radicals
 C08B 11/08
·  ·  ·  with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof
 C08B 11/10
·  ·  ·  substituted with acid radicals
 C08B 11/12
·  ·  ·  ·  substituted with carboxylic radicals
 C08B 11/14
·  ·  ·  with nitrogen-containing groups
 C08B 11/145
·  ·  ·  ·  with basic nitrogen, e.g. aminoalkyl ethers  [2]
 C08B 11/15
·  ·  ·  ·  with carbamoyl groups  [2]
 C08B 11/155
·  ·  ·  ·  with cyano groups, e.g. cyanoalkyl ethers  [2]
 C08B 11/16
·  aryl or aralkyl ethers
 C08B 11/18
·  ·  with substituted hydrocarbon radicals
 C08B 11/187
·  with olefinic unsaturated groups  [2]
 C08B 11/193
·  Mixed ethers, i.e. ethers with two or more different etherifying groups  [2]
 C08B 11/20
·  Post-etherification treatments, including purification
 C08B 11/22
·  ·  Isolation
 C08B 13/00
Preparation of cellulose ether-esters
 C08B 13/02
·  cellulose ether xanthates
 C08B 15/00
Preparation of other cellulose derivatives or modified cellulose
 C08B 15/02
·  oxycellulose; hydrocellulose; cellulose hydrate
 C08B 15/04
·  ·  carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide
 C08B 15/05
·  Derivatives containing elements other than carbon, hydrogen, oxygen, halogen, or sulphur (esters of phosphorus acids C08B 5/00)  [2]
 C08B 15/06
·  ·  containing nitrogen
 C08B 15/08
·  Fractionation of cellulose, e.g. separation of cellulose crystallites  [2]
 C08B 15/10
·  Crosslinking of cellulose  [2]
 C08B 16/00
Regeneration of cellulose  [2]
 C08B 17/00
Apparatus for esterification or etherification of cellulose
 C08B 17/02
·  for making organic esters of cellulose
 C08B 17/04
·  for making cellulose nitrate
 C08B 17/06
·  for making cellulose ethers
 C08B 19/00
( transferred to C08B 31/00-C08B 37/00 )
 C08B 21/00 - 
C08B 25/00
( transferred to C08L )
 C08B 27/00
( transferred to C08K )
 C08B 29/00
( transferred to C08J )
 C08B 31/00
Preparation of derivatives of starch (derivatives of amylose C08B 33/00; derivatives of amylopectin C08B 35/00)  [2]
 C08B 31/02
·  Esters  [2]
 C08B 31/04
·  ·  of organic acids  [2]
 C08B 31/06
·  ·  of inorganic acids  [2]
 C08B 31/08
·  Ethers  [2]
 C08B 31/10
·  ·  Alkyl or cycloalkyl ethers  [2]
 C08B 31/12
·  ·  having alkyl or cycloalkyl radicals substituted by hetero atoms  [2]
 C08B 31/14
·  ·  Aryl or aralkyl ethers  [2]
 C08B 31/16
·  Ether-esters  [2]
 C08B 31/18
·  Oxidised starch  [2]
 C08B 33/00
Preparation of derivatives of amylose  [2]
 C08B 33/02
·  Esters  [2]
 C08B 33/04
·  Ethers  [2]
 C08B 33/06
·  Ether-esters  [2]
 C08B 33/08
·  Oxidised amylose  [2]
 C08B 35/00
Preparation of derivatives of amylopectin  [2]
 C08B 35/02
·  Esters  [2]
 C08B 35/04
·  Ethers  [2]
 C08B 35/06
·  Ether-esters  [2]
 C08B 35/08
·  Oxidised amylopectin  [2]
 C08B 37/00
Preparation of polysaccharides not provided for in groups C08B 1/00-C08B 35/00; Derivatives thereof (biological synthesis C12D; starch, dextrin, or similar carbohydrates C13L; cellulose D21)  [2]
 C08B 37/02
·  Dextran; Derivatives thereof  [2]
 C08B 37/04
·  Alginic acid; Derivatives thereof (foodstuff preparations A23L 1/04)  [2]
 C08B 37/06
·  Pectin; Derivatives thereof  [2]
 C08B 37/08
·  Chitin; Chondroitin sulphate; Hyaluronic acid; Derivatives thereof  [2]
 C08B 37/10
·  Heparin; Derivatives thereof  [2]
 C08B 37/12
·  Agar-agar; Derivatives thereof  [2]
 C08B 37/14
·  Hemicellulose; Derivatives thereof  [2]
 C08B 37/16
·  Cyclodextrin; Derivatives thereof  [2]