Patent · US Expired

4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers

US4041177A · kind A · utility

24Cited by

11References

13Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Wilhelm Sirrenberg
Jurgen Schramm
Erich Klauke
Ingeborg Hammann · Cologne, DE
Wilhelm Stendel · Wuppertal, DE

Key dates

Filing date	Jan 23, 1976
Grant date	Aug 9, 1977
Priority date	—
Expiry date	Jan 23, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C279/22
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

4-Nitro-4'-[N-(N'-benzoyl)-ureido]-diphenyl ethers of the general formula ##STR1## in which R is chlorine, fluorine or methyl, PA1 R' is hydrogen, chlorine or fluorine, and PA1 R" and R'" are identical and are each hydrogen or chlorine, but if R is chlorine and R' is hydrogen, R" and R'" can only be hydrogen. Which possess insecticidal properties.

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