4-aminopicolinates and their use as herbicides

US6297197A · kind A · utility

Assignee

• DOW AGROSCIENCES LLC · US

Inventors

• Stephen Craig Fields · Indianapolis, US
• Anita L. Alexander · Lawrenceville, US
• Terry W. Balko · Waldron, US
• Leslie Anne Bjelk · Indianapolis, US
• Ann M. Buysse · Carmel, US
• Renee Joan Keese · Carmel, US
• Karl L. Krumel · Midland, US
• William C. Lo · Fishers, US
• Christian T. Lowe · Westfield, US
• John Richburg · Westfield, US
• James M. Ruiz · Zionsville, US

Key dates

• Filing date: Jan 12, 2001
• Grant date: Oct 2, 2001
• Expiry date: Jan 12, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07D213/79
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

4-Aminopicolinic acids, having halogen, alkoxy, alkylthio, aryloxy, heteroaryloxy or trifluoromethyl substituents in the 3-, 5- and 6-positions, and their amine and acid derivatives are potent herbicides demonstrating a broad spectrum of weed control.