IPC 6 English version  C-C01B01336
    C01B 15/00 - C01B 21/50 >> 
SECTION C– CHEMISTRY; METALLURGY

C 01

INORGANIC CHEMISTRY (processing powders of inorganic compounds preparatory to the manufacturing of ceramic products C 04 B 35/00; fermentation or enzyme-using processes for the preparation of elements or inorganic compounds except carbon dioxide C 12 P 3/00; obtaining metal compounds from mixtures, e.g. ores, which are intermediate compounds in a metallurgical process for obtaining a free metal C 21 B, C 22 B; production of non-metallic elements or inorganic compounds by electrolysis or electrophoresis C 25 B)

C 01 B

NON-METALLIC ELEMENTS; COMPOUNDS THEREOF

Notes

(1)

In this subclass, tradenames that are often found in scientific and patent literature have been used in order to define precisely the scope of the groups. [6]

(2)

Attention is drawn to the definitions of groups of chemical elements following the title of section C. [3]


Hydrogen; Hydrides; Water; Synthesis gas from hydrocarbons

3/

00

Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it (separation of gases by physical means B 01 D); Purification of hydrogen (production of water-gas or synthesis gas from solid carbonaceous material C 10 J; purifying or modifying the chemical compositions of combustible gases containing carbon monoxide C 10 K) [3]

3/

02

Production of hydrogen or of gaseous mixtures containing hydrogen [3]

3/

04

. . 

by decomposition of inorganic compounds, e.g. ammonia [3]

3/

06

. . 

by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents (by electrolysis of water C 25 B 1/04) [3]

3/

08

. . . 

with metals [3]

3/

10

. . . . 

by reaction of water vapour with metals [3]

3/

12

. . . 

by reaction of water vapour with carbon monoxide [3]

3/

14

. . . . 

Handling of heat and steam [3]

3/

16

. . . . 

using catalysts [3]

3/

18

. . . . 

using moving solid particles [3]

3/

20

. . . 

by reaction of metal hydroxides with carbon monoxide [3]

3/

22

. . 

by decomposition of gaseous or liquid organic compounds (coking liquid carbonaceous materials C 10 B 55/00) [3]

3/

24

. . . 

of hydrocarbons [3]

3/

26

. . . . 

using catalysts [3]

3/

28

. . . . 

using moving solid particles [3]

3/

30

. . . . . 

using the fluidised bed technique [3]

3/

32

. . 

by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air [3]

3/

34

. . . 

by reaction of hydrocarbons with gasifying agents [3]

3/

36

. . . . 

using oxygen or mixtures containing oxygen as gasifying agents [3]

3/

38

. . . . 

using catalysts [3]

3/

40

. . . . . 

characterised by the catalyst [3]

3/

42

. . . . . 

using moving solid particles [3]

3/

44

. . . . . . 

using the fluidised bed technique [3]

3/

46

. . . . 

using discontinuously preheated non-moving solid materials, e.g. blast and run [3]

3/

48

. . . . 

followed by reaction of water vapour with carbon monoxide [3]

3/

50

Separation of hydrogen or hydrogen containing gases from gaseous mixtures, e.g. purification (C 01 B 3/14 takes precedence) [3]

3/

52

. . 

by contacting with liquids; Regeneration of used liquids [3]

3/

54

. . . 

including a catalytic reaction [3]

3/

56

. . 

by contacting with solids; Regeneration of used solids [3]

3/

58

. . . 

including a catalytic reaction [3]

4/

00

Hydrogen isotopes; Inorganic compounds thereof prepared by isotope exchange, e.g. NH3+D2 NH2D+HD (separation of isotopes B 01 D 59/00; other chemical reactions to form compounds of hydrogen isotopes, see the relevant groups for hydrogen compounds in class C 01) [2]

5/

00

Water

5/

02

Heavy water; Preparation by chemical reaction of hydrogen isotopes or their compounds, e.g. 4ND3+7O2 4NO2+6D2O, 2D2+O2 2D2O

6/

00

Hydrides of metals; Monoborane or diborane; Addition complexes thereof (higher hydrides of boron, substituted hydrides of boron C 01 B 35/00) [2]

6/

02

Hydrides of transition elements; Addition complexes thereof

6/

04

Hydrides of alkali metals, alkaline earth metals, beryllium or magnesium; Addition complexes thereof

6/

06

Hydrides of aluminium, gallium, indium, thallium, germanium, tin, lead, arsenic, antimony, bismuth or polonium; Monoborane; Diborane; Addition complexes thereof

6/

10

. . 

Monoborane; Diborane; Addition complexes thereof [2]

6/

11

. . . 

Preparation from boron or inorganic compounds containing boron and oxygen [2]

6/

13

. . . 

Addition complexes of monoborane or diborane, e.g. with phosphine, arsine or hydrazine [2]

6/

15

. . . . 

Metal borohydrides; Addition complexes thereof [2]

6/

17

. . . . . 

Preparation from boron or inorganic compounds containing boron and oxygen [2]

6/

19

. . . . . 

Preparation from other compounds of boron [2]

6/

21

. . . . . . 

Preparation of borohydrides of alkali metals, alkaline earth metals, magnesium or beryllium; Addition complexes thereof, e.g. LiBH4.2N2H4, NaB2H7 [2]

6/

23

. . . . . . 

Preparation of borohydrides of other metals, e.g. aluminium borohydride; Addition complexes thereof, e.g. Li [Al(BH4)3H] [2]

6/

24

Hydrides containing at least two metals, e.g. Li(AlH4); Addition complexes thereof (C 01 B 6/13 to C 01 B 6/23 take precedence) [2]

6/

26

. . 

Preparation from the metal with the highest valency or from its oxides or salts of its oxyacids

6/

34

Purification; Stabilisation
Halogens; Compounds thereof

7/

00

Halogens; Halogen acids (oxyacids C 01 B 11/00)

7/

01

Chlorine; Hydrogen chloride [2]

7/

03

. . 

Preparation from chlorides [2,3]

7/

04

. . . 

Preparation of chlorine from hydrogen chloride [3]

7/

05

. . . 

Preparation from ammonium chloride [2,3]

7/

07

. . 

Purification [2,3]

7/

075

. . . 

of liquid chlorine [2,3]

7/

09

Bromine; Hydrogen bromide [2]

7/

13

Iodine; Hydrogen iodide [2]

7/

14

. . 

Iodine [2]

7/

16

. . . 

Preparation from seaweed [2]

7/

19

Fluorine; Hydrogen fluoride [2]

7/

20

. . 

Fluorine [2]

7/

24

Inter-halogen compounds

9/

00

General methods of preparing halides (particular individual halides, see the relevant groups in subclasses C 01 B to C 01 G according to the element combined with the halogen; electrolytic production of inorganic compounds C 25 B)

9/

02

Chlorides

9/

04

Bromides

9/

06

Iodides

9/

08

Fluorides

11/

00

Oxides or oxyacids of halogens; Salts thereof

11/

02

Oxides of chlorine

11/

04

Hypochlorous acid

11/

06

. . 

Hypochlorites, e.g. chlorinated lime

11/

08

Chlorous acid

11/

10

. . 

Chlorites

11/

12

Chloric acid

11/

14

. . 

Chlorates

11/

16

Perchloric acid

11/

18

. . 

Perchlorates

11/

20

Oxygen compounds of bromine

11/

22

Oxygen compounds of iodine

11/

24

Oxygen compounds of fluorine
Oxygen; Oxides or hydroxides in general; Per-compounds

13/

00

Oxygen; Ozone; Oxides or hydroxides in general

13/

02

Preparation of oxygen (by liquefying F 25 J)

13/

08

. . 

from air with the aid of metal oxides, e.g. barium oxide, manganese oxide

13/

10

Preparation of ozone

13/

11

. . 

by electric discharge [2]

13/

14

Methods for preparing oxides or hydroxides in general (particular individual oxides or hydroxides, see the relevant groups of subclasses C 01 B to C 01 G or C 25 B, according to the element combined with the oxygen or hydroxy group)

13/

16

. . 

Purification [3]

13/

18

. . 

by thermal decomposition of compounds, e.g. of salts or hydroxides [3]

13/

20

. . 

by oxidation of elements in the gaseous state; by oxidation or hydrolysis of compounds in the gaseous state [3]

13/

22

. . . 

of halides or oxyhalides [3]

13/

24

. . . . 

in the presence of hot combustion gases [3]

13/

26

. . . . 

in the presence of a fluidised bed [3]

13/

28

. . . . 

using a plasma or an electric discharge [3]

13/

30

. . . . 

Removal and cooling of the oxide containing suspension [3]

13/

32

. . 

by oxidation or hydrolysis of elements or compounds in the liquid or solid state [3]

13/

34

. . 

by oxidation or hydrolysis of sprayed or atomised solutions [3]

13/

36

. . 

by precipitation reactions in solutions [3]
 ^  C01B 15/00 - C01B 21/50 >>