Process for preparing (meth) acrylic acid
US6500982B1 · kind B1 · utility
27Cited by
21References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 2000 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Jun 13, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C51/50
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
This invention relates to a process for preparing (meth)acrylic acid, whereby turndown control is utilized to maintain optimal distillation column performance in the dehydration of aqueous (meth)acrylic acid to provide a (meth)acrylic acid solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.