Patent · US Expired

17&bgr;-acyl-17&agr;-propynyl-11&bgr;-(cyclic amino) aryl steroids and their derivatives having antagonist hormonal properties

US6740645B1 · kind B1 · utility

1Cited by
5References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1999
Grant dateMay 25, 2004
Priority date—
Expiry dateSep 3, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J43/003
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

The invention is directed to a novel class of 17&bgr;-acyl-17&agr;-propynyl steroids which exhibit potent antiprogestational activity.

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