Preferential removal of metallic catalyst from epoxidation effluent
US3988353A · kind A · utility
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7Claims
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Key dates
| Filing date | Jun 25, 1975 |
| Grant date | Oct 26, 1976 |
| Priority date | — |
| Expiry date | Jun 25, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D301/32
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Metallic catalyst is removed selectively from an epoxidation effluent containing the catalyst and acidic materials by contacting the effluent with a specified quantity of an aqueous basic solution to preferentially remove the metallic catalyst therefrom without substantial removal of acidic materials therefrom, and thereafter neutralizing the acidic materials.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.