Crystals including a malic acid salt of a 3-pyrrole substituted 2-indolinone, and compositions thereof
US7435832B2 · kind B2 · utility
2Cited by
14References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 26, 2007 |
| Grant date | Oct 14, 2008 |
| Priority date | — |
| Expiry date | Apr 26, 2027 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention provides crystals, and compositions thereof, wherein the crystals include a malic acid salt of N-[2-(diethylamino)ethyl]-5-[(5-fluoro-1,2-dihydro-2-oxo-3H-indol-3-ylidene)methyl]-2,4-dimethyl-1H-pyrrole-3-carboxamide. Methods of preparing such crystals are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.