Crystalline salts of L or (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine esters and process
US4914222A · kind A · utility
16Cited by
4References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 30, 1986 |
| Grant date | Apr 3, 1990 |
| Priority date | — |
| Expiry date | Sep 30, 2006 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/215
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Crystalline salts of (R,S)-pivaloyloxyethyl esters of (S)-3-(3,4-dihydroxyphenyl)-2-methylalanine, processes for their preparation and pharmaceutical composition are disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.