| (19) |
 |
|
(11) |
EP 0 155 822 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
13.01.1988 Bulletin 1988/02 |
| (43) |
Date of publication A2: |
|
25.09.1985 Bulletin 1985/39 |
| (22) |
Date of filing: 14.03.1985 |
|
|
| (84) |
Designated Contracting States: |
|
BE DE FR GB IT NL |
| (30) |
Priority: |
19.03.1984 US 591093
19.03.1984 US 591094
19.03.1984 US 590926
|
| (71) |
Applicant: MOBIL OIL CORPORATION |
|
() |
|
| (72) |
Inventors: |
|
- Chester, Arthur Warren
()
- Wilson, Robert Currin, Jr.
()
- Oleck, Stephen Michael
()
- Yen, Jeffrey Hsing-Gan
()
|
|
| |
|
| (54) |
Catalytic dewaxing process using ZSM-11 zeolite |
(57) Waxy oil, either a lubricating oil base stock or a fuel oil, is catalytically dewaxed
using a catalys comprising ZSM-11. The ZSM-11 may contain hydrogeration/dehydrogenation
component such as Pt or Ni Mo. Dewaring proceeds by wax cracking and wax isomerization.