11-Difluoromethylene steroids
US4567000A · kind A · utility
0Cited by
7References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 31, 1984 |
| Grant date | Jan 28, 1986 |
| Priority date | — |
| Expiry date | Aug 31, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J21/008
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
11-Difluoromethylene steroids having progestational and anti-progestational properties, useful as anti-fertility agents, are disclosed as well as a process for making the 11-difluoromethylene steroids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.