| (19) |
 |
|
(11) |
EP 0 733 694 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.11.1996 Bulletin 1996/46 |
| (43) |
Date of publication A2: |
|
25.09.1996 Bulletin 1996/39 |
| (22) |
Date of filing: 23.01.1996 |
|
| (51) |
International Patent Classification (IPC)6: C10L 1/14 |
|
| (84) |
Designated Contracting States: |
|
DE FR GB IT |
| (30) |
Priority: |
24.01.1995 GB 9501370
|
| (71) |
Applicant: EXXON CHEMICAL PATENTS INC. |
|
Linden
New Jersey 07036 (US) |
|
| (72) |
Inventor: |
|
- Jackson, Graham
Caversham,
Reading,
Berkshire RG4 7NE (GB)
|
| (74) |
Representative: Hart, Richard Joseph et al |
|
Exxon Chemical Limited,
Exxon Chemical Technology Centre,
P.O. Box 1,
Milton Hill
Abingdon,
Oxfordshire OX13 6BB
Abingdon,
Oxfordshire OX13 6BB (GB) |
|
| |
|
| (54) |
Additive concentrate |
(57) An additive concentrate for incorporation into wax containing fuel oil to improve
its low temperature flow properties comprises an oil-soluble polar nitrogen compound,
and a solvent comprising an alkanol and an aromatic hydrocarbon to improve the stability
of the concentrate.