Patent · US Expired

Pyrazolines and their use as safeners

US5037468A · kind A · utility

3Cited by

0References

4Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Erich Sohn · Augsburg, DE
Wolfgang Rosch · Gersthofen, DE
Klaus Bauer · Rodgau, DE
Hermann Bieringer · Eppstein, DE

Key dates

Filing date	Jul 16, 1990
Grant date	Aug 6, 1991
Priority date	—
Expiry date	Jul 16, 2010

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D231/08
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Compounds of the formula (I) ##STR1## where X.sup.1 and X.sup.2 independently of one another are halogen or haloalkyl, PA1 R.sup.1 is hydrogen, alkyl or alkoxyalkyl, PA1 R.sup.2 is alkyl or haloalkyl, and PA1 R.sup.3 is hydrogen, alkyl, alkenyl or alkynyl, can reduce, or entirely compensate, phytotoxic secondary effects of herbicides on crop plants and are therefore suitable as agents for the selective use of herbicides.

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