Method for purifying homocystine
US6077971A · kind A · utility
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1References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 3, 1998 |
| Grant date | Jun 20, 2000 |
| Priority date | — |
| Expiry date | Dec 3, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C319/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Disclosed is a method for purifying homocystine comprising treating crude homocystine with a base, a method for purifying homocystine comprising recovering homocystine by neutralizing an alkaline aqueous solution of crude homocystine with an acid, and a homocystine powder containing 1,000 ppm or less of a polysulfide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.