Patent · US Expired

Estrenes

US6649779B2 · kind B2 · utility

2Cited by
5References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 5, 2002
Grant dateNov 18, 2003
Priority date
Expiry dateJun 5, 2022

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J1/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

This invention provides a pharmaceutically acceptable salt of 3&bgr;-hydroxy-5(10)-estrene-17-one 3-sulfate ester and a pharmaceutically acceptable salt of 3&agr;-hydroxy-5(10)-estrene-17-one 3-sulfate ester, which are useful as an estrogens.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.