Patent · US Active

18-methyl-19-nor-17-pregn-4-ene-21,17-carbolactones, as well as pharmaceutical preparations that contain the latter

US8445469B2 · kind B2 · utility

0Cited by

7References

20Claims

0Family size

Assignee

Bayer Intellectual Property GmbH · DE

Inventors

Rolf Bohlmann · Berlin, DE
Dieter Bittler · Berlin, DE
Hermann Kuenzer · Berlin, DE
Peter Esperling · Berlin, DE
Hans-Peter Muhn · Berlin, DE
Karl-Heinrich Fritzemeier · Berlin, DE
Ulrike Fuhrmann · Berlin, DE
Katja Prelle · Berlin, DE
Steffen Borden · Berlin, DE

Key dates

Filing date	Dec 30, 2005
Grant date	May 21, 2013
Priority date	—
Expiry date	May 31, 2026

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07J19/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A 18-Methyl-19-nor-17-pregn-4-ene-21,17-carbolactone of general formula I

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