Patent · US Expired

Stabilized medicinal substances, a process for the preparation thereof, and stable medicinal formulations

US5151433A · kind A · utility

4Cited by

3References

20Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Werner Fulbreth · Kelkheim, DE
Richard Leeb · Kelkheim, DE
Manfred Radau · Kelkheim, DE
Willi Stammberger · Hofheim, DE

Key dates

Filing date	Nov 22, 1988
Grant date	Sep 29, 1992
Priority date	—
Expiry date	Nov 22, 2008

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61P43/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Stabilized compounds of the formula I ##STR1## in which R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the stated meanings, and a process for the preparation thereof, are described. The stabilized compounds are suitable for the manufacture of medicinal formulations.

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