Estra-1,3,5(10),16-tetraene derivatives
US6638923B2 · kind B2 · utility
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12References
16Claims
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Key dates
| Filing date | May 18, 2001 |
| Grant date | Oct 28, 2003 |
| Priority date | — |
| Expiry date | May 18, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Estra-1,3,5(10),16-tetraene derivatives represented by the following formula (I): (wherein R1 is as defined by the present specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.