Cooperative Patent Classification


Version: 2017.08
CPC
COOPERATIVE PATENT CLASSIFICATION
C10C
WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID (compositions of bituminous materials C08L 95/00; carbon filaments by decomposition of organic filaments D01F 9/14) [2013-01]
C10C 1/00
Working-up tar {(petroleum (oil) tar C10C 3/00)} [2013-01]
C10C 1/005
.
{by mixing two or more coaltar fractions} [2013-01]
C10C 1/02
.
Removal of water (by distillation C10C 1/06 {; de-watering of hydrocarbon oils C10G 33/00}) [2017-08]
C10C 1/04
.
by distillation [2013-01]
C10C 1/06
. .
Removal of water [2013-01]
C10C 1/08
. .
Winning of aromatic fractions [2013-01]
C10C 1/10
. . .
benzene fraction {light fraction} [2013-01]
C10C 1/12
. . .
naphthalene fraction {heavy fraction} [2013-01]
C10C 1/14
. .
Winning of tar oils from tar [2013-01]
C10C 1/16
. .
Winning of pitch [2013-01]
C10C 1/18
.
by extraction with selective solvents (preparation of hydrocarbon oils from tar oils C10G 21/00) [2013-01]
C10C 1/19
.
by thermal treatment not involving distillation [2013-01]
C10C 1/20
.
Refining by chemical means {inorganic or organic compounds }(obtaining hydrocarbon oils C10G) [2013-01]
C10C 1/205
. .
{refining in the presence of hydrogen} [2013-01]
C10C 3/00
Working-up pitch, asphalt, bitumen {(compositions of asphalts and other bitumenous materials C08L 95/00)} [2013-01]
C10C 3/002
.
{by thermal means} [2013-01]
C10C 3/005
.
{by mixing several fractions (also coaltar fractions with petroleum fractions)} [2013-01]
C10C 3/007
.
{winning and separation of asphalt from mixtures with aggregates, fillers and other products, e.g. winning from natural asphalt and regeneration of waste asphalt} [2013-01]
C10C 3/02
.
by chemical means {reaction} [2013-01]
C10C 3/023
. .
{with inorganic compounds} [2013-01]
C10C 3/026
. .
{with organic compounds} [2013-01]
C10C 3/04
. .
by blowing or oxidising {, e.g. air, ozone} [2016-08]
C10C 3/06
.
by distillation [2013-01]
C10C 3/08
.
by selective extraction [2013-01]
C10C 3/10
.
Melting [2013-01]
C10C 3/12
. .
Devices therefor {(transporting and melting for road construction E01C + s.gr.)} [2013-01]
C10C 3/14
.
Solidifying, Disintegrating, e.g. granulating [2013-01]
C10C 3/16
. .
by direct contact with liquids [2013-01]
C10C 3/18
.
Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing [2013-01]
C10C 5/00
Production of pyroligneous acid {distillation of wood, dry distillation of organic waste }(carbonisation of wood C10B) [2013-01]