Novel ureas

US4137068A · kind A · utility

Assignee

• Roussel Uclaf · FR

Inventors

• Jacques Perronnet · Paris, FR
• Jean-Pierre Demoute · Le Touquet-Paris-Plage, FR
• Pierre Girault · Paris, FR
• Andre Teche · Dieppe, FR

Key dates

• Filing date: Mar 18, 1976
• Grant date: Jan 30, 1979
• Expiry date: Mar 18, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C313/34
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Novel ureas of the formula ##STR1## wherein A and B are chlorine or A is chlorine or hydrogen and B is --CF.sub.3, R and R.sub.1 are individually alkyl of 1 to 3 carbon atoms and R.sub.2 is alkyl of 1 to 6 carbon atoms optionally substituted with a halogen having herbicidal properties, particularly useful in cultivated grass crops and their preparation and use.