IPC 7 English version
  C10G 25/00 - C10G 45/72  
C10G04700-C10G07504
 

SECTION C – CHEMISTRY; METALLURGY


C 10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT


C 10 GCRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C01B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C07C; cracking to cokes C10B); RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES (inhibiting corrosion or incrustation in general C23F) [6]


47/

00Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, to obtain lower boiling fractions (C10G 15/00 takes precedence; destructive hydrogenation of non-melting solid carbonaceous or similar materials C10G 1/06) [3]

47/

02.characterised by the catalyst used  [3]

47/

04..Oxides  [3]

47/

06..Sulfides  [3]

47/

08..Halides  [3]

47/

10..with catalysts deposited on a carrier  [3]

47/

12...Inorganic carriers  [3]

47/

14....the catalyst containing platinum group metals or compounds thereof  [3]

47/

16....Crystalline alumino-silicate carriers  [3]

47/

18.....the catalyst containing platinum group metals or compounds thereof  [3]

47/

20.....the catalyst containing other metals or compounds thereof  [3]

47/

22.Non-catalytic cracking in the presence of hydrogen  [3]

47/

24.with moving solid particles  [3]

47/

26..suspended in the oil, e.g. slurries  [3]

47/

28..according to the "moving bed" technique  [3]

47/

30..according to the "fluidised bed" technique  [3]

47/

32.in the presence of hydrogen-generating compounds  [3]

47/

34..Organic compounds, e.g. hydrogenated hydrocarbons  [3]

47/

36.Controlling or regulating (controlling or regulating in general G05)  [3]


49/

00Treatment of hydrocarbon oils, in the presence of hydrogen or hydrogen-generating compounds, not provided for in a single one of groups C10G 45/02, C10G 45/32, C10G 45/44, C10G 45/58, or C10G 47/00  [3]

49/

02.characterised by the catalyst used  [3]

49/

04..containing nickel, cobalt, chromium, molybdenum, or tungsten metals, or compounds thereof  [3]

49/

06..containing platinum group metals or compounds thereof  [3]

49/

08..containing crystalline alumino-silicates, e.g. molecular sieves  [3]

49/

10.with moving solid particles  [3]

49/

12..suspended in the oil, e.g. slurries  [3]

49/

14..according to the "moving bed" technique  [3]

49/

16..according to the "fluidised bed" technique  [3]

49/

18.in the presence of hydrogen-generating compounds, e.g. ammonia, water, hydrogen sulfide  [3]

49/

20..Organic compounds  [3]

49/

22.Separation of effluents  [3]

49/

24.Starting-up hydrotreatment operations  [3]

49/

26.Controlling or regulating (controlling or regulating in general G05)  [3]



50/

00Production of liquid hydrocarbon mixtures from lower carbon number hydrocarbons, e.g. by oligomerisation (preparation of individual hydrocarbons or mixtures thereof of definite or specified constitution C07C) [6]

50/

02.of hydrocarbon oils for lubricating purposes  [6]


Multi-step processes

Note

 Groups C10G 51/00 to C10G 69/00 cover only those combined treating operations where the interest is directed to the relationship between the steps.  [3]


51/

00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more cracking processes only  [3]

51/

02.plural serial stages only  [3]

51/

04..including only thermal and catalytic cracking steps  [3]

51/

06.plural parallel stages only  [3]


53/

00Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes  [3]

53/

02.plural serial stages only  [3]

53/

04..including at least one extraction step  [3]

53/

06...including only extraction steps, e.g. deasphalting by solvent treatment followed by extraction of aromatics (refining in one step with two or more solvents which are introduced or withdrawn separately C10G 21/02)  [3]

53/

08..including at least one sorption step  [3]

53/

10..including at least one acid-treatment step  [3]

53/

12..including at least one alkaline-treatment step  [3]

53/

14..including at least one oxidation step  [3]

53/

16.plural parallel stages only  [3]


55/

00Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process  [3]

55/

02.plural serial stages only  [3]

55/

04..including at least one thermal cracking step  [3]

55/

06..including at least one catalytic cracking step  [3]

55/

08.plural parallel stages only  [3]


57/

00Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one cracking process or refining process and at least one other conversion process  [3]

57/

02.with polymerisation  [3]


59/

00Treatment of naphtha by two or more reforming processes only or by at least one reforming process and at least one process which does not substantially change the boiling range of the naphtha  [3]

59/

02.plural serial stages only  [3]

59/

04..including at least one catalytic and at least one non-catalytic reforming step  [3]

59/

06.plural parallel stages only  [3]


61/

00Treatment of naphtha by at least one reforming process and at least one process of refining in the absence of hydrogen  [3]

61/

02.plural serial stages only  [3]

61/

04..the refining step being an extraction  [3]

61/

06..the refining step being a sorption process  [3]

61/

08.plural parallel stages only  [3]

61/

10.processes also including other conversion steps  [3]


63/

00Treatment of naphtha by at least one reforming process and at least one other conversion process (C10G 59/00, C10G 61/00 take precedence) [3]

63/

02.plural serial stages only  [3]

63/

04..including at least one cracking step  [3]

63/

06.plural parallel stages only  [3]

63/

08..including at least one cracking step  [3]


65/

00Treatment of hydrocarbon oils by two or more hydrotreatment processes only  [3]

65/

02.plural serial stages only  [3]

65/

04..including only refining steps  [3]

65/

06...at least one step being a selective hydrogenation of the diolefins  [3]

65/

08...at least one step being a hydrogenation of the aromatic hydrocarbons  [3]

65/

10..including only cracking steps  [3]

65/

12..including cracking steps and other hydrotreatment steps  [3]

65/

14.plural parallel stages only  [3]

65/

16..including only refining steps  [3]

65/

18..including only cracking steps  [3]


67/

00Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only  [3]

67/

02.plural serial stages only  [3]

67/

04..including solvent extraction as the refining step in the absence of hydrogen  [3]

67/

06..including a sorption process as the refining step in the absence of hydrogen  [3]

67/

08..including acid treatment as the refining step in the absence of hydrogen  [3]

67/

10..including alkaline treatment as the refining step in the absence of hydrogen  [3]

67/

12..including oxidation as the refining step in the absence of hydrogen  [3]

67/

14..including at least two different refining steps in the absence of hydrogen  [3]

67/

16.plural parallel stages only  [3]


69/

00Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process (C10G 67/00 takes precedence) [3]

69/

02.plural serial stages only  [3]

69/

04..including at least one step of catalytic cracking in the absence of hydrogen  [3]

69/

06..including at least one step of thermal cracking in the absence of hydrogen  [3]

69/

08..including at least one step of reforming naphtha  [3]

69/

10...hydrocracking of higher boiling fractions into naphtha and reforming the naphtha obtained  [3]

69/

12..including at least one polymerisation or alkylation step  [3]

69/

14.plural parallel stages only  [3]



70/

00Working-up undefined normally gaseous mixtures obtained by processes covered by groups C10G 9/00, C10G 11/00, C10G 15/00, C10G 47/00, C10G 51/00  [5]

70/

02.by hydrogenation  [5]

70/

04.by physical processes  [5]

70/

06..by gas-liquid contact  [5]


71/

00Treatment by methods not otherwise provided for of hydrocarbon oils or fatty oils for lubricating purposes (lubricating compositions C10M) [3]

71/

02.Thickening by voltolising (chemical modification of drying-oils by voltolising C09F 7/04)  [3]


73/

00Recovery or refining of mineral waxes, e.g. montan wax (compositions essentially based on waxes C08L 91/00) [3]

73/

02.Recovery of petroleum waxes from hydrocarbon oils; De-waxing of hydrocarbon oils  [3]

73/

04..with the use of filter aids  [3]

73/

06..with the use of solvents  [3]

73/

08...Organic compounds  [3]

73/

10....Hydrocarbons  [3]

73/

12....Oxygen-containing compounds  [3]

73/

14....Halogen-containing compounds  [3]

73/

16....Nitrogen-containing compounds  [3]

73/

18....containing sulfur, selenium or tellurium  [3]

73/

20....containing phosphorus  [3]

73/

22....Mixtures of organic compounds  [3]

73/

23...Recovery of used solvents  [6]

73/

24..by formation of adducts  [3]

73/

26..by flotation  [3]

73/

28..by centrifugal force  [3]

73/

30..with electric means  [3]

73/

32..Methods of cooling during de-waxing  [3]

73/

34..Controlling or regulating (controlling or regulating in general G05)  [3]

73/

36.Recovery of petroleum waxes from other compositions containing oil in minor proportions, from concentrates or from residues; De-oiling, sweating  [3]

73/

38.Chemical modification of petroleum waxes  [3]

73/

40.Physical treatment of waxes or modified waxes, e.g. granulation, dispersion, emulsion, irradiation  [3]

73/

42.Refining of petroleum waxes  [3]

73/

44..in the presence of hydrogen or hydrogen-generating compounds  [3]


75/

00Inhibiting corrosion or fouling in apparatus for treatment or conversion of hydrocarbon oils, in general (C10G 7/10, C10G 9/16 take precedence; protection of pipes against corrosion or incrustation F16L 58/00) [6]

75/

02.by addition of corrosion inhibitors  [6]

75/

04.by addition of antifouling agents  [6]


  C10G 25/00 - C10G 45/72