Use of byproduct acetic acid from oxidative methods of making acrylic acid and/or methacrylic acid
US9156746B2 · kind B2 · utility
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Key dates
| Filing date | Apr 10, 2015 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Apr 10, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2523/06
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Processes are described for improved utilization of the byproduct acetic acid universally produced in various oxidative processes for making acrylic acid and methacrylic acid, wherein at least a portion of the byproduct acetic acid is converted to isobutene and optionally to one or more further value-added products which may be prepared from isobutene.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.