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IPC 7
  C10G - C10G 21/30  
C10G02500-C10G04572
  C10G 47/00 - C10G 75/04  

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]


25/

00Refining of hydrocarbon oils, in the absence of hydrogen, with solid sorbents

25/

02.with ion-exchange material

25/

03..with crystalline alumino-silicates, e.g. molecular sieves  [3]

25/

05...Removal of non-hydrocarbon compounds, e.g. sulfur compounds  [3]

25/

06.with moving sorbents or sorbents dispersed in the oil

25/

08..according to the "moving bed" technique

25/

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

25/

11..Distillation in the presence of moving sorbents  [3]

25/

12.Recovery of used adsorbent


27/

00Refining of hydrocarbon oils, in the absence of hydrogen, by oxidation

27/

02.with halogen or compounds generating halogen; Hypochlorous acid or salts thereof

27/

04.with oxygen or compounds generating oxygen

27/

06..in the presence of alkaline solutions

27/

08..in the presence of copper chloride

27/

10..in the presence of metal-containing organic complexes, e.g. chelates, or cationic ion-exchange resins  [3]

27/

12..with oxygen-generating compounds, e.g. per-compounds, chromic acid, chromates (plumbites or plumbates C10G 19/06)  [3]

27/

14..with ozone-containing gases  [3]


29/

00Refining of hydrocarbon oils, in the absence of hydrogen, with other chemicals

29/

02.Non-metals

29/

04.Metals, or metals deposited on a carrier

29/

06.Metal salts, or metal salts deposited on a carrier

29/

08..containing the metal in the lower valency

29/

10..Sulfides

29/

12..Halides  [3]

29/

16.Metal oxides

29/

20.Organic compounds not containing metal atoms

29/

22..containing oxygen as the only hetero atom

29/

24...Aldehydes or ketones

29/

26..Halogenated hydrocarbons

29/

28..containing sulfur as the only hetero atom, e.g. mercaptans, or sulfur and oxygen as the only hetero atoms


31/

00Refining of hydrocarbon oils, in the absence of hydrogen, by methods not otherwise provided for (by distillation C10G 7/00) [2]

31/

06.by heating, cooling, or pressure treatment

31/

08.by treating with water

31/

09.by filtration  [3]

31/

10.with the aid of centrifugal force

31/

11.by dialysis  [3]



32/

00Refining of hydrocarbon oils by electric or magnetic means, by irradiation, or by using microorganisms  [3]

32/

02.by electric or magnetic means  [3]

32/

04.by particle radiation  [3]


33/

00De-watering or demulsification of hydrocarbon oils (by distillation C10G 7/04)

33/

02.with electrical or magnetic means

33/

04.with chemical means

33/

06.with mechanical means, e.g. by filtration

33/

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


35/

00Reforming naphtha

Note

 In this group, the following term is used with the meaning indicated:

 "reforming" means the treatment of naphtha in order to improve the octane number or its aromatic content.  [3]

35/

02.Thermal reforming

35/

04.Catalytic reforming

35/

06..characterised by the catalyst used

35/

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

35/

09....Bimetallic catalysts in which at least one of the metals is a platinum-group metal  [3]

35/

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

35/

10..with moving catalysts

35/

12...according to the "moving bed" technique

35/

14...according to the "fluidised bed" technique

35/

16.with electric, electromagnetic, or mechanical vibrations; by particle radiation

35/

22.Starting-up reforming operations  [3]

35/

24.Controlling or regulating of reforming operations (controlling or regulating in general G05)  [3]


Hydrotreatment processes (reforming of naphtha C10G 35/00)


45/

00Refining of hydrocarbon oils using hydrogen or hydrogen-generating compounds  [3]

Note

 Treatment of hydrocarbon oils in the presence of hydrogen-generating compounds not provided for in a single one of groups C10G 45/02, C10G 45/32, C10G 45/44, or C10G 45/58 is covered by group C10G 49/00.  [3]

45/

02.to eliminate hetero atoms without changing the skeleton of the hydrocarbon involved and without cracking into lower boiling hydrocarbons; Hydrofinishing  [3]

45/

04..characterised by the catalyst used  [3]

45/

06...containing nickel or cobalt metal, or compounds thereof  [3]

45/

08....in combination with chromium, molybdenum, or tungsten metals, or compounds thereof  [3]

45/

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

45/

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

45/

14..with moving solid particles  [3]

45/

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

45/

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

45/

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

45/

22..with hydrogen dissolved or suspended in the oil  [3]

45/

24..with hydrogen-generating compounds  [3]

45/

26...Steam or water  [3]

45/

28...Organic compounds; Autofining  [3]

45/

30....characterised by the catalyst used  [3]

45/

32.Selective hydrogenation of the diolefin or acetylene compounds  [3]

45/

34..characterised by the catalyst used  [3]

45/

36...containing nickel or cobalt metal, or compounds thereof  [3]

45/

38....in combination with chromium, molybdenum or tungsten metals, or compounds thereof  [3]

45/

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

45/

42..with moving solid particles  [3]

45/

44.Hydrogenation of the aromatic hydrocarbons  [3]

45/

46..characterised by the catalyst used  [3]

45/

48...containing nickel or cobalt metal, or compounds thereof  [3]

45/

50....in combination with chromium, molybdenum or tungsten metal, or compounds thereof  [3]

45/

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

45/

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

45/

56..with moving solid particles  [3]

45/

58.to change the structural skeleton of some of the hydrocarbon content without cracking the other hydrocarbons present, e.g. lowering pour point; Selective hydrocracking of normal paraffins (C10G 32/00 takes precedence; improving or increasing the octane number or aromatic content of naphtha C10G 35/00)  [3]

45/

60..characterised by the catalyst used  [3]

45/

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

45/

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

45/

66..with moving solid particles  [3]

45/

68..Aromatisation of hydrocarbon oil fractions (of naphtha C10G 35/00)  [3]

45/

70...with catalysts containing platinum group metals or compounds thereof  [3]

45/

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

  C10G - C10G 21/30    C10G 47/00 - C10G 75/04  
 

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