Pseudopolymorph of (—)-cis-2-(2-chlorophenyl)-5,7-dihydroxy-8[4R-(3S-hydroxy -1-methyl)piperidinyl]-4H-1-benzopyran-4-one
US6576647B2 · kind B2 · utility
20Cited by
3References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2001 |
| Grant date | Jun 10, 2003 |
| Priority date | — |
| Expiry date | Jan 16, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/4433
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention comprises a pseudopolymorph of (−)-cis-2-(2-chlorophenyl)-5,7-dihydroxy-8[4R-(3S-hydroxy-1-methyl)piperidinyl]-4H-1-benzopyran-4-one hydrochloride, a method of making same, a pharmaceutical composition and methods of using the pseudopolymorph.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.