Patent · US Expired

Halogenated 4-trifluoromethyl-diphenyl-ether compounds and herbicidal compositions

US4023958A · kind A · utility

4Cited by

3References

17Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Lothar Rohe
Jurgen Schramm
Erich Klauke
Ludwig Eue
Robert R. Schmidt · Cologne, DE

Key dates

Filing date	Feb 27, 1976
Grant date	May 17, 1977
Priority date	—
Expiry date	Feb 27, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C323/00
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Halogenated 4-trifluoromethyl-diphenyl-ether compounds of the formula ##STR1## in which R.sup.1 is alkylthio of from 1 to 4 carbon atoms, alkylsulfinyl or alkylsulfonyl of from 1 to 4 carbon atoms, or aminothiocarbonyl; PA1 R.sup.2 is hydrogen or methyl; PA1 X.sup.1 is halogen; and PA1 X.sup.2 is hydrogen or halogen; Are outstandingly effective as herbicides, particularly as selective herbicides.

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