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IPC 7
C01F-C01F01700

SECTION C – CHEMISTRY; METALLURGY


C 01INORGANIC 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)


C 01 FCOMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS (metal hydrides C01B 6/00; salts of oxyacids of halogens C01B 11/00; peroxides, salts of peroxyacids C01B 15/00; sulfides or polysulfides of magnesium, calcium, strontium, or barium C01B 17/42; thiosulfates, dithionites, polythionates C01B 17/64; compounds containing selenium or tellurium C01B 19/00; binary compounds of nitrogen with metals C01B 21/06; 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; carbides C01B 31/30; compounds containing silicon C01B 33/00; compounds containing boron C01B 35/00; compounds having molecular sieve properties but not having base-exchange properties C01B 37/00; compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites, C01B 39/00; cyanides C01C 3/08; salts of cyanic acid C01C 3/14; salts of cyanamide C01C 3/16; thiocyanates C01C 3/20)


Note

 Therapeutic activity of compounds is further classified in subclass A61P. [7]



1/

00Methods of preparing compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or the rare earths, in general


3/

00Compounds of beryllium

3/

02.Oxides; Hydroxides  [3]


5/

00Compounds of magnesium

5/

02.Magnesia

5/

04..by oxidation of metallic magnesium

5/

06..by thermal decomposition of magnesium compounds (calcining magnesite or dolomite C04B 2/10)

5/

08...by calcining magnesium hydroxide

5/

10...by thermal decomposition of magnesium chloride with water vapour

5/

12...by thermal decomposition of magnesium sulfate, with or without reduction

5/

14.Magnesium hydroxide

5/

16..by treating magnesia, e.g. calcined dolomite, with water or solutions of salts not containing magnesium

5/

20..by precipitation from solutions of magnesium salts with ammonia

5/

22..from magnesium compounds with alkali hydroxides or alkaline earth oxides or hydroxides

5/

24.Magnesium carbonates

5/

26.Magnesium halides

5/

28..Fluorides

5/

30..Chlorides

5/

32...Preparation of anhydrous magnesium chloride by chlorinating magnesium compounds

5/

34...Dehydrating magnesium chloride containing water of crystallisation

5/

36..Bromides

5/

38.Magnesium nitrates

5/

40.Magnesium sulfates (double sulfates of magnesium with sodium or potassium C01D 5/12, with other alkali metals C01D 15/06, C01D 17/00)  [3]

5/

42.Magnesium sulfites


7/

00Compounds of aluminium

7/

02.Aluminium oxide; Aluminium hydroxide; Aluminates

7/

04..Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom

7/

06...by treating aluminous minerals with alkali hydroxide

7/

08...by treating aluminous minerals with sodium carbonate

7/

10...by treating aluminous minerals with alkali sulfates and reducing agents

7/

12...Alkali metal aluminates from alkaline earth metal aluminates

7/

14...Aluminium oxide or hydroxide from alkali metal aluminates

7/

16..Preparation of alkaline earth metal aluminates; Aluminium oxide or hydroxide therefrom

7/

18...Aluminium oxide or hydroxide from alkaline earth metal aluminates

7/

20..Preparation of aluminium oxide or hydroxide from aluminous ores with acids or salts

7/

22...with halides

7/

24...with nitric acid or nitrogen oxides

7/

26...with sulfuric acids or sulfates

7/

28...with sulfurous acid

7/

30..Preparation of aluminium oxide or hydroxide by thermal decomposition of aluminium compounds

7/

32...of sulfates

7/

34..Preparation of aluminium hydroxide by precipitation from solutions containing aluminium salts

7/

36...from organic aluminium salts

7/

38..Preparation of aluminium oxide by thermal reduction of aluminous minerals

7/

40...in the presence of aluminium sulfide

7/

42..Preparation of aluminium oxide or hydroxide from metallic aluminium, e.g. by oxidation

7/

44..Dehydration of aluminium hydroxide

7/

46..Purification of aluminium oxide, aluminium hydroxide or aluminates  [5]

7/

47...of aluminates  [5]

7/

48.Aluminium halides

7/

50..Fluorides

7/

52...Double compounds containing both fluorine and other acid groups

7/

54...Double compounds containing both aluminium and alkali metals or alkaline earth metals

7/

56..Chlorides (containing fluorine C01F 7/52)  [3]

7/

58...Preparation of anhydrous aluminium chloride

7/

60....from oxygen-containing aluminium compounds

7/

62...Purification

7/

64..Bromides (containing fluorine C01F 7/52)  [3]

7/

66.Aluminium nitrates (containing fluorine C01F 7/52)  [3]

7/

68.Aluminium compounds containing sulfur (containing fluorine C01F 7/52)  [3]

7/

70..Sulfides

7/

72..Sulfites

7/

74..Sulfates

7/

76...Double salts, e.g. alums


11/

00Compounds of calcium, strontium, or barium (C01F 7/00 takes precedence) [3]

11/

02.Oxides or hydroxides (production of lime C04B 2/00)

11/

04..by thermal decomposition

11/

06...of carbonates

11/

08..by reduction of sulfates

11/

10..from sulfides

11/

12..from silicates

11/

16..Purification

11/

18.Carbonates

11/

20.Halides

11/

22..Fluorides

11/

24..Chlorides

11/

26...from sulfides

11/

28...by chlorination of alkaline earth metal compounds

11/

30...Concentrating; Dehydrating; Preventing the absorption of moisture or caking

11/

32...Purification

11/

34..Bromides

11/

36.Nitrates

11/

38..Preparation with nitric acid or nitrogen oxides

11/

40..Preparation by double decomposition with nitrates

11/

42..Double salts (with magnesium C01F 5/38)

11/

44..Concentrating; Crystallising; Dehydrating; Preventing the absorption of moisture or caking

11/

46.Sulfates (dehydration of gypsum C04B 11/02)

11/

48.Sulfites


13/

00Compounds of radium


15/

00Compounds of thorium


17/

00Compounds of the rare-earth metals, i.e. scandium, yttrium, lanthanum, or the group of the lanthanides


  
 

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