Diisobutylene process
US7012167B2 · kind B2 · utility
10Cited by
11References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 8, 2003 |
| Grant date | Mar 14, 2006 |
| Priority date | — |
| Expiry date | May 17, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2531/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention is a process for producing diisobutylene from isobutylene. The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid-type ion exchange resin. The oligomerization step is followed by contacting the diisobutylene product with an adsorbent to remove sulfur impurities produced during the oligomerization step. The adsorbent is a large pore zeolite such as zeolite X and zeolite Y. Optionally, the purified diisobutylene may be hydrogenated to isooctane using a hydrogenation catalyst.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.