Refining method of organic amine
US9963421B2 · kind B2 · utility
1Cited by
3References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 19, 2015 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | Mar 19, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12P13/001
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Provided are a method of refining a reaction solution including a carbonate of 1,5-diaminopentane, which is produced by fermentation, through a decarbonation step and a pH adjustment step, and 1,5-diaminopentane which is refined by the above method.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.