Catalyst for the production of isoprene
US4092372A · kind A · utility
3Cited by
4References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1976 |
| Grant date | May 30, 1978 |
| Priority date | — |
| Expiry date | Apr 6, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2527/14
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A solid catalyst comprising (1) silver ion, (2) aluminum oxide and (3) silicon oxide, which may further comprise, as the fourth ingredient(s), the oxide and/or ion of one or more of transition elements, alkaline earth metals, boron, thallium, tin, lead and phosphorus gives a high yield of isoprene in the reaction of isobutylene and formaldehdye and has a prolonged catalytic activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.