Catalyst having a bimodal pore radius distribution
US6670303B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 2000 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Jul 25, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/42
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Catalysts having a bimodal pore radius distribution comprisea) from 10 to 99.9% by weight of zirconium dioxide andb) from 0 to 60% by weight of aluminum oxide, silicon dioxide and/or titanium dioxide andc) from 0.1 to 10% by weight of at least one element of main group I or II, an element of transition group III, an element of transition group VIII, of the Periodic Table of the Elements, lanthanum and/or tin,with the proviso that the sum of the percentages by weight is 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.