IPC-Stelle: C08B [Version 2017.01]

SymbolTypTitel
CSKCHEMISTRY; METALLURGY
C08KLORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
C08BUKLPOLYSACCHARIDES; DERIVATIVES THEREOF (polysaccharides containing less than six saccharide radicals attached to each other by glycosidic linkages C07H; fermentation or enzyme-using processes C12P 19/00; production of cellulose D21) [4]
C08B 1/00ZWPreparation
C08B 1/00HGRPreparatory treatment of cellulose for making derivatives thereof [1, 2006.01]
C08B 1/02UGR1
.Rendering cellulose suitable for esterification [1, 2006.01]
C08B 1/04UGR2
. .for the preparation of cellulose nitrate [1, 2006.01]
C08B 1/06UGR1
.Rendering cellulose suitable for etherification [1, 2006.01]
C08B 1/08UGR1
.Alkali cellulose [1, 2006.01]
C08B 1/10UGR2
. .Apparatus for the preparation of alkali cellulose [1, 2006.01]
C08B 1/12UGR3
. . .Steeping devices [1, 2006.01]
C08B 1/14UGR3
. . .Ripening devices [1, 2006.01]
C08B 3/00HGRPreparation of cellulose esters of organic acids [1, 2006.01]
C08B 3/02UGR1
.Catalysts used for the esterification [1, 2006.01]
C08B 3/04UGR1
.Cellulose formate [1, 2006.01]
C08B 3/06UGR1
.Cellulose acetate [1, 2006.01]
C08B 3/08UGR1
.of monobasic organic acids with three or more carbon atoms [1, 2006.01]
C08B 3/10UGR2
. .with five or more carbon atoms [1, 2006.01]
C08B 3/12UGR1
.of polybasic organic acids [1, 2006.01]
C08B 3/14UGR1
.in which the organic acid residue contains substituents, e.g. NH2, Cl [1, 2006.01]
C08B 3/16UGR1
.Preparation of mixed organic cellulose esters [1, 2006.01]
C08B 3/18UGR2
. .Aceto-butyrates [1, 2006.01]
C08B 3/20UGR1
.Esterification with maintenance of the fibrous structure of the cellulose [1, 2006.01]
C08B 3/22UGR1
.Post-esterification treatments, including purification [1, 2006.01]
C08B 3/24UGR2
. .Hydrolysis or ripening [1, 2006.01]
C08B 3/26UGR2
. .Isolation of the cellulose ester [1, 2006.01]
C08B 3/28UGR3
. . .by precipitation [1, 2006.01]
C08B 3/30UGR2
. .Stabilisation [1, 2006.01]
C08B 5/00HGRPreparation of cellulose esters of inorganic acids [1, 2006.01]
C08B 5/02UGR1
.Cellulose nitrate [1, 2006.01]
C08B 5/04UGR2
. .Post-esterification treatments, including purification [1, 2006.01]
C08B 5/06UGR3
. . .Isolation of the cellulose nitrate [1, 2006.01]
C08B 5/08UGR3
. . .Stabilisation [1, 2006.01]
C08B 5/10UGR3
. . .Reducing the viscosity [1, 2006.01]
C08B 5/12UGR3
. . .Replacing the water by organic liquids [1, 2006.01]
C08B 5/14UGR1
.Cellulose sulfate [1, 2006.01]
C08B 7/00HGRPreparation of cellulose esters of both organic and inorganic acids [1, 2006.01]
C08B 9/00HGRPreparation of cellulose xanthate or viscose [1, 2006.01]
C08B 9/02UGR1
.Sulfidisers; Dissolvers [1, 2006.01]
C08B 9/04UGR1
.Continuous processes [1, 2006.01]
C08B 9/06UGR1
.Single-stage processes [1, 2006.01]
C08B 11/00HGRPreparation of cellulose ethers [1, 2006.01]
C08B 11/02UGR1
.Alkyl or cycloalkyl ethers [1, 2006.01]
C08B 11/04UGR2
. .with substituted hydrocarbon radicals [1, 2006.01]
C08B 11/06UGR3
. . .with halogen-substituted hydrocarbon radicals [1, 2006.01]
C08B 11/08UGR3
. . .with hydroxylated hydrocarbon radicals; Esters, ethers, or acetals thereof [1, 2006.01]
C08B 11/10UGR3
. . .substituted with acid radicals [1, 2006.01]
C08B 11/12UGR4
. . . .substituted with carboxylic radicals [1, 2006.01]
C08B 11/14UGR3
. . .with nitrogen-containing groups [1, 2006.01]
C08B 11/145UGR4
. . . .with basic nitrogen, e.g. aminoalkyl ethers [2, 2006.01]
C08B 11/15UGR4
. . . .with carbamoyl groups [2, 2006.01]
C08B 11/155UGR4
. . . .with cyano groups, e.g. cyanoalkyl ethers [2, 2006.01]
C08B 11/16UGR1
.Aryl or aralkyl ethers [1, 2006.01]
C08B 11/18UGR2
. .with substituted hydrocarbon radicals [1, 2006.01]
C08B 11/187UGR1
.with olefinic unsaturated groups [2, 2006.01]
C08B 11/193UGR1
.Mixed ethers, i.e. ethers with two or more different etherifying groups [2, 2006.01]
C08B 11/20UGR1
.Post-etherification treatments, including purification [1, 2006.01]
C08B 11/22UGR2
. .Isolation [1, 2006.01]
C08B 13/00HGRPreparation of cellulose ether-esters [1, 2006.01]
C08B 13/02UGR1
.Cellulose ether xanthates [1, 2006.01]
C08B 15/00HGRPreparation of other cellulose derivatives or modified cellulose [1, 2006.01]
C08B 15/02UGR1
.Oxycellulose; Hydrocellulose; Cellulose hydrate [1, 2006.01]
C08B 15/04UGR2
. .Carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide [1, 2006.01]
C08B 15/05UGR1
.Derivatives containing elements other than carbon, hydrogen, oxygen, halogen, or sulfur (esters of phosphorus acids C08B 5/00) [2, 2006.01]
C08B 15/06UGR2
. .containing nitrogen [1, 2, 2006.01]
C08B 15/08UGR1
.Fractionation of cellulose, e.g. separation of cellulose crystallites [2, 2006.01]
C08B 15/10UGR1
.Crosslinking of cellulose [2, 2006.01]
C08B 16/00HGRRegeneration of cellulose [2, 2006.01]
C08B 17/00HGRApparatus for esterification or etherification of cellulose [1, 2006.01]
C08B 17/02UGR1
.for making organic esters of cellulose [1, 2006.01]
C08B 17/04UGR1
.for making cellulose nitrate [1, 2006.01]
C08B 17/06UGR1
.for making cellulose ethers [1, 2006.01]
C08B 30/00HGRPreparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin [4, 2006.01]
C08B 30/02UGR1
.Preparatory treatment, e.g. crushing of raw materials [4, 2006.01]
C08B 30/04UGR1
.Extraction or purification [4, 2006.01]
C08B 30/06UGR1
.Drying; Forming [4, 2006.01]
C08B 30/08UGR1
.Concentration of starch suspensions [4, 2006.01]
C08B 30/10UGR1
.Working-up residues from the starch extraction, including pressing water from the starch-extracted material [4, 2006.01]
C08B 30/12UGR1
.Degraded or non-chemically modified starch; Bleaching of starch (preparation of chemical derivatives of starch C08B 31/00) [4, 2006.01]
C08B 30/14UGR2
. .Cold water dispersible or pregelatinised starch [4, 2006.01]
C08B 30/16UGR2
. .Apparatus therefor [4, 2006.01]
C08B 30/18UGR2
. .Dextrin [4, 2006.01]
C08B 30/20UGR1
.Amylose or amylopectin (chemical derivatives thereof C08B 33/00, C08B 35/00) [4, 2006.01]
C08B 31/00HGRPreparation of chemical derivatives of starch (chemical derivatives of amylose C08B 33/00; chemical derivatives of amylopectin C08B 35/00) [2, 2006.01]
C08B 31/02UGR1
.Esters [2, 2006.01]
C08B 31/04UGR2
. .of organic acids [2, 2006.01]
C08B 31/06UGR2
. .of inorganic acids [2, 2006.01]
C08B 31/08UGR1
.Ethers [2, 2006.01]
C08B 31/10UGR2
. .Alkyl or cycloalkyl ethers [2, 2006.01]
C08B 31/12UGR2
. .having alkyl or cycloalkyl radicals substituted by hetero atoms [2, 2006.01]
C08B 31/14UGR2
. .Aryl or aralkyl ethers [2, 2006.01]
C08B 31/16UGR1
.Ether-esters [2, 2006.01]
C08B 31/18UGR1
.Oxidised starch [2, 2006.01]
C08B 33/00HGRPreparation of chemical derivatives of amylose [2, 2006.01]
C08B 33/02UGR1
.Esters [2, 2006.01]
C08B 33/04UGR1
.Ethers [2, 2006.01]
C08B 33/06UGR1
.Ether-esters [2, 2006.01]
C08B 33/08UGR1
.Oxidised amylose [2, 2006.01]
C08B 35/00HGRPreparation of chemical derivatives of amylopectin [2, 2006.01]
C08B 35/02UGR1
.Esters [2, 2006.01]
C08B 35/04UGR1
.Ethers [2, 2006.01]
C08B 35/06UGR1
.Ether-esters [2, 2006.01]
C08B 35/08UGR1
.Oxidised amylopectin [2, 2006.01]
C08B 37/00HGRPreparation of polysaccharides not provided for in groups C08B 1/00-C08B 35/00; Derivatives thereof (cellulose D21) [4, 2006.01]
C08B 37/02UGR1
.Dextran; Derivatives thereof [2, 2006.01]
C08B 37/04UGR1
.Alginic acid; Derivatives thereof [2, 2006.01]
C08B 37/06UGR1
.Pectin; Derivatives thereof [2, 2006.01]
C08B 37/08UGR1
.Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof [2, 2006.01]
C08B 37/10UGR1
.Heparin; Derivatives thereof [2, 2006.01]
C08B 37/12UGR1
.Agar-agar; Derivatives thereof [2, 2006.01]
C08B 37/14UGR1
.Hemicellulose; Derivatives thereof [2, 2006.01]
C08B 37/16UGR1
.Cyclodextrin; Derivatives thereof [2, 2006.01]
C08B 37/18UGR1
.Reserve carbohydrates, e.g. glycogen, inulin, laminarin; Derivatives thereof [4, 2006.01]