IPC-Stelle: C01C [Version 7 (gültig ab 01.2000)]

SymbolTypTitel
CSKCHEMISTRY; METALLURGY
C01USKCHEMISTRY
C01KLINORGANIC CHEMISTRY (processing powders of inorganic compounds preparatory to the manufacturing of ceramic products C04B 35/00; fermentation or enzyme-using processes for the preparation of elements or inorganic compounds except carbon dioxide C12P 3/00; obtaining metal compounds from mixtures, e.g. ores, which are intermediate compounds in a metallurgical process for obtaining a free metal C21B , C22B; production of non-metallic elements or inorganic compounds by electrolysis or electrophoresis C25B)
C01CUKLAMMONIA; CYANOGEN; COMPOUNDS THEREOF (salts of oxyacids of halogens C01B 11/00; peroxides, salts of peroxyacids C01B 15/00; thiosulfates, dithionites, polythionates C01B 17/64; compounds containing selenium or tellurium C01B 19/00; azides C01B 21/08; metal amides C01B 21/092; nitrites C01B 21/50; phosphides C01B 25/08; salts of oxyacids of phosphorus C01B 25/16; compounds containing silicon C01B 33/00; compounds containing boron C01B 35/00)
C01C 1/00HGRAmmonia; Compounds thereof
C01C 1/02UGR1
.Preparation or separation of ammonia
C01C 1/04UGR2
. .Preparation of ammonia by synthesis (preparation or purification of gas mixtures for ammonia synthesis C01B 3/02)
C01C 1/08UGR2
. .Preparation of ammonia from nitrogenous organic substances
C01C 1/10UGR2
. .Separation of ammonia from ammonia liquors, e.g. gas liquors
C01C 1/12UGR2
. .Separation of ammonia from gases and vapours
C01C 1/14UGR3
. . .Saturators
C01C 1/16UGR1
.Halides of ammonium
C01C 1/18UGR1
.Nitrates of ammonium
C01C 1/20UGR1
.Sulfides; Polysulfides
C01C 1/22UGR1
.Sulfites of ammonium
C01C 1/24UGR1
.Sulfates of ammonium (C01C 1/14 takes precedence)
C01C 1/242UGR2
. .Preparation from ammonia and sulfuric acid or sulfur trioxide [2]
C01C 1/244UGR2
. .Preparation by double decomposition of ammonium salts with sulfates [2]
C01C 1/245UGR2
. .Preparation from compounds containing nitrogen and sulfur [2]
C01C 1/246UGR3
. . .from sulfur-containing ammonium compounds [2]
C01C 1/247UGR4
. . . .by oxidation with free oxygen [2]
C01C 1/248UGR2
. .Preventing coalescing or controlling form or size of crystals [2]
C01C 1/249UGR2
. .Deacidifying the crystals [2]
C01C 1/26UGR1
.Carbonates or bicarbonates of ammonium
C01C 1/28UGR1
.Methods of preparing ammonium salts in general
C01C 3/00HGRCyanogen; Compounds thereof
C01C 3/02UGR1
.Preparation of hydrogen cyanide
C01C 3/04UGR2
. .Separation from gases
C01C 3/06UGR1
.Stabilisation of hydrogen cyanide
C01C 3/08UGR1
.Simple or complex cyanides of metals
C01C 3/10UGR2
. .Simple alkali metal cyanides [3]
C01C 3/11UGR2
. .Complex cyanides [3]
C01C 3/12UGR2
. .Simple or complex iron cyanides [2]
C01C 3/14UGR1
.Cyanic acid; Salts thereof
C01C 3/16UGR1
.Cyanamide; Salts thereof (dicyandiamide C07C 279/28)
C01C 3/18UGR2
. .Calcium cyanamide
C01C 3/20UGR1
.Thiocyanic acid; Salts thereof