Diphenyl ethers and their use for controlling undesirable plant growth

US4650905A · kind A · utility

Assignee

• BASF SE

Inventors

• Adolf Parg · Bad Dürkheim, DE
• Gerhard Hamprecht · Weinheim, DE
• Bruno Wuerzer · Otterstadt, DE

Key dates

• Filing date: Sep 11, 1985
• Grant date: Mar 17, 1987
• Expiry date: Sep 11, 2005

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A01N33/22
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Diphenyl ethers of the formula ##STR1## where Z.sup.1 is hydrogen or halogen, Z.sup.2 is halogen, R.sup.1, R.sup.2 and R.sup.3 are each hydrogen or alkyl, R.sup.4 is alkyl or an araliphatic radical and n is a number from 1 to 8, are used for controlling undesirable plant growth.