Method and apparatus for producing mono-lower-alkyl monoalkanolamine
US8415502B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Oct 24, 2008 |
| Grant date | Apr 9, 2013 |
| Priority date | — |
| Expiry date | Oct 24, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C213/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A reaction column (12) to which a raw material mixture (11) containing a mono-lower-alkylamine (AA: raw material I) and an alkylene oxide (AO: raw material II) is supplied, an unreacted raw material distillation column (14) that separates an unreacted raw material (15) from a reaction product (13a) (containing the unreacted raw material (15), a target reaction product (monomer) (17), and a by-product (dimer) (18)), and a flash drum (16) to which a reaction product (13b) (containing the target reaction product (monomer) (17) and the by-product (dimer) (18)) is supplied, the flash drum (16) separating a mono-lower-alkyl monoalkanolamine (monomer, the target reaction product 17) in a gas state, are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.