Process for producing a solid form of abiraterone acetate
US9920089B2 · kind B2 · utility
1Cited by
0References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 11, 2014 |
| Grant date | Mar 20, 2018 |
| Priority date | — |
| Expiry date | May 23, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J43/006
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to a process for the preparation of 17-substituted steroids and, more particularly, to an improved method of preparing micro size abiraterone or derivatives thereof in high yield and purity by means of a spherical agglomeration process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.