|  | C |
SECTION C — CHEMISTRY AND METALLURGY

CHEMISTRY

|  | C10 |
PETROLEUM, GAS AND COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT

|  | C10C |
WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID

|  | C10C 1/00 |
Working-up tar (coumarone resins Fulltext... Hierarchy... Expanded...C08F 5/02)

|  | C10C 1/02 |
· | Removal of water (by distillation Fulltext... Hierarchy... Expanded...C10C 1/06)

|  | C10C 1/04 |
· | by distillation

|  | C10C 1/06 |
· · | Removal of water

|  | C10C 1/08 |
· · | Winning of aromatic fractions

|  | C10C 1/10 |
· · · | benzene fraction

|  | C10C 1/12 |
· · · | naphthalene fraction

|  | C10C 1/14 |
· · | Winning of tar oils from tar

|  | C10C 1/16 |
· · | Winning of pitch

|  | C10C 1/18 |
· | by extraction with selective solvents (preparation of hydrocarbon oils from tar oils Fulltext... Hierarchy... Expanded...C10G 21/00)

|  | C10C 1/20 |
· | Refining by chemical means (obtaining hydrocarbon oils Fulltext... Hierarchy... Expanded...C10G)

|  | C10C 3/00 |
Working-up pitch, asphalt, bitumen

|  | C10C 3/02 |
· | by chemical means

|  | C10C 3/04 |
· · | by blowing and/or oxidising

|  | C10C 3/06 |
· | by distillation

|  | C10C 3/08 |
· | by selective extraction

|  | C10C 3/10 |
· | Melting

|  | C10C 3/12 |
· · | Devices therefor

|  | C10C 3/14 |
· | Solidifying; Disintegrating, e.g. granulating

|  | C10C 3/16 |
· · | by direct contact with liquids

|  | C10C 3/18 |
· | Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing

|  | C10C 5/00 |
Production of pyroligneous acid (carbonisation of wood Fulltext... Hierarchy... Expanded...C10B)