Patent · US Expired

Estra-1,3,5(10),16-tetraene derivatives

US6638923B2 · kind B2 · utility

0Cited by
12References
16Claims
0Family size

Assignees

Inventors

Key dates

Filing dateMay 18, 2001
Grant dateOct 28, 2003
Priority date
Expiry dateMay 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.