Method of continuous recovery of (meth)acrylic acid and apparatus for the method
US10610803B2 · kind B2 · utility
2Cited by
7References
8Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 8, 2017 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | Nov 8, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C57/04
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
The present invention relates to a method for continuous recovery of (meth)acrylic acid and an apparatus used for the recovery method. The recovery method according to the present invention enables stable recovery of (meth)acrylic acid and the operation of a continuous process, while securing a high (meth)acrylic acid recovery rate through a solvent recovery process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.