CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION (cracking to hydrogen or synthesis gas C 01 B; cracking or pyrolysis of hydrocarbon gases to individual hydrocarbons or mixtures thereof of definite or specified constitution C 07 C; cracking to cokes C 10 B); 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 C 23 F) [6]
refining or recovery of mineral waxes is covered by group C 10 G 73/00. [3]
(2)
In this subclass, the following terms or expressions are used with the meanings indicated:
-
"in the presence of hydrogen" or "in the absence of hydrogen" mean treatments in which hydrogen, in free form or as hydrogen generating compounds, is added, or not added, respectively; [3]
-
"hydrotreatment" is used for conversion processes as defined in group C 10 G 45/00 or group
C 10 G 47/00; [3]
-
"hydrocarbon oils" covers mixtures of hydrocarbons such as tar oils or mineral oils. [3]
(3)
In this subclass, in the absence of an indication to the contrary, classification is made in the last appropriate place. [3]
(4)
Processes using enzymes or micro-organisms in order to:
(i)
liberate, separate or purify a pre-existing compound or composition, or to
(ii)
treat textiles or clean solid surfaces of materials
Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal (mechanical winning of oil from oil-shales, oil-sand, or the like
B 03 B)
1
/
02
•
by distillation (destructive distillation of oil-shale C 10 B 53/06)
1
/
04
•
by extraction
1
/
06
•
by destructive hydrogenation
1
/
08
•
•
with moving catalysts
1
/
10
•
from rubber or rubber waste
2
/
00
Production of liquid hydrocarbon mixtures of undefined composition from oxides of carbon [5]
3
/
00
Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids (production from non-melting solid oxygen-containing carbonaceous materials C 10 G 1/00; preparation of individual hydrocarbons or mixtures thereof of definite or specified constitution C 07 C)
5
/
00
Recovery of liquid hydrocarbon mixtures from gases, e.g. natural gas
5
/
02
•
with solid adsorbents
5
/
04
•
with liquid absorbents
5
/
06
•
by cooling or compressing
7
/
00
Distillation of hydrocarbon oils (distillation in general B 01 D)
7
/
02
•
Stabilising gasoline by removing gases by fractioning
7
/
04
•
De-watering
7
/
06
•
Vacuum distillation [3]
7
/
08
•
Azeotropic or extractive distillation (refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
C 10 G 21/00) [3]
7
/
10
•
Inhibiting corrosion during distillation [3]
7
/
12
•
Controlling or regulating (controlling or regulating in general G 05) [3]
