Preparation of spheroidal alumina particulates
US4514511A · kind A · utility
18Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 19, 1983 |
| Grant date | Apr 30, 1985 |
| Priority date | — |
| Expiry date | May 19, 2003 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/22
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Spheroidal alumina particulates well adapted as catalysts or catalyst supports and having enhanced pore volumes are facilely prepared by drop coagulating an aqueous suspension or dispersion of alumina, or an aqueous solution of a basic aluminum salt, said suspension, dispersion or solution comprising an oil-in-water emulsion, and then recovering, drying and calcining the gelled particulates which result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.