Selenium catalyzed decomposition of peroxide intermediates resulting from the autoxidation of acrolein and methacrolein
US4115440A · kind A · utility
4Cited by
1References
17Claims
0Family size
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Key dates
| Filing date | Apr 19, 1977 |
| Grant date | Sep 19, 1978 |
| Priority date | — |
| Expiry date | Apr 19, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C407/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of acrylic acid or methacrylic acid which comprises catalytically decomposing or converting in the presence of selenium the peroxide (peroxy) compounds formed during autoxidation or contained in the oxidate solution derived from the autoxidation of the respective acrolein or methacrolein, particularly, the conversion of permethacrylic acid and methacrolein monopermethacrylate to methacrylic acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.