Patent · US Expired

6-ethyl-3-amino or nitro-2,4-dihalogenopyridine compounds

US4939262A · kind A · utility

2Cited by

0References

2Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Gerhard Bonse · Neunburg vorm Wald, DE
Werner Hallenbach · Nordhorn, DE
Hans Lindel · Leverkusen, DE

Key dates

Filing date	Mar 7, 1989
Grant date	Jul 3, 1990
Priority date	—
Expiry date	Mar 7, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D213/73
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

##STR1## (II), (III), (IV) and (V) are new. (VII) is a known intermediate for an animal growth promoter.

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