Patents Represented by Attorney Robert L. Stringham - Justia Patents Search

Patents Represented by Attorney Robert L. Stringham

Find this attorney in the Justia Lawyer Directory

Electrolytic cell comprising stainless steel anode, basic aqueous electrolyte and a cathode at which tetrachloro-2-picolinate ions can be selectively reduced in high yield to 3,6-dichloropicolinate ions _

Patent number: 4592811

Abstract: An important increase in the yield of 3,6-dichloropicolinic acid prepared by electrolytic reduction of tetrachloro-2-picolinic acid (in basic, aqueous solution, at a silver cathode) results when a stainless steel anode is used, rather than those (graphite, e.g.) taught in the prior art (U.S. Pat. No. 4,217,185).

Type: Grant

Filed: April 8, 1985

Date of Patent: June 3, 1986

Assignee: The Dow Chemical Company

Inventors: Demetrios Kyriacou, Donald N. Brattesani