Patent · US Expired

6-fluoro-1,4-dihydro-7-[4-(2-hydroxyiminoethyl)-1-piperazinyl]-4-oxoquinoline-3-carboxylic acid derivatives, their preparation and pharmaceutical compositions

US6492373B2 · kind B2 · utility

0Cited by

3References

1Claims

0Family size

Assignee

Pharmaceutical Industry Technology and Development Center · TW

Inventors

Cherng-Chyi Tzeng
Yeh-Long Chen
Feng-Nien Ko · Taipei, TW

Key dates

Filing date	Nov 15, 2001
Grant date	Dec 10, 2002
Priority date	—
Expiry date	Nov 15, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D215/56
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The present invention discloses a novel 6-fluoro-1,4-dihydro-7-[4-(2-hydroxyiminoethyl)-1-piperazinyl]-4-oxoquinoline-3-carboxylic acid derivatives (formula I), with a process for their preparation, and with pharmaceutical compositions containing them as the active ingredient for the treatment of bacterial infections and/or renal cancer diseases.

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