| (19) |
 |
|
(11) |
EP 0 240 090 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
02.12.1987 Bulletin 1987/49 |
| (43) |
Date of publication A2: |
|
07.10.1987 Bulletin 1987/41 |
| (22) |
Date of filing: 03.04.1987 |
|
|
| (84) |
Designated Contracting States: |
|
BE CH DE ES FR GB IT LI NL SE |
| (30) |
Priority: |
04.04.1986 GB 8608302
|
| (71) |
Applicant: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |
|
() |
|
| (72) |
Inventors: |
|
- Breuker, Jacobus Hendrikus
()
- Van Gooswilligen, Gerrit
()
- Schellekens, Johannes Cornelis Antonius
()
|
|
| |
|
| (54) |
Process for the preparation of bitumen |
(57) Process for the preparation of bitumen in which a residual fraction of a thermally
cracked hydrocarbon feedstock is distilled under subatmospheric pressure at a maximum
distillation temperature that corresponds with the boiling point at the subatmospheric
pressure of hydrocarbons having an atmospheric boiling point of 455-540°C and at least
a part of the distillation residue is recovered as bitumen.