Patents by Inventor Danny P. Wright

Danny P. Wright has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer

Patent number: 4379736

Abstract: A method and apparatus for inhibiting polymerization of vinylaromatic compounds during distillative purification wherein downcomers and tray bottoms of the distillation column exposed to high concentrations of liquid monomer condensate and low vapor velocities are coated with a non-wetting fluorocarbon polymer.

Type: Grant

Filed: December 23, 1981

Date of Patent: April 12, 1983

Assignee: Cosden Technology, Inc.

Inventors: Debra L. Kendall, James M. Watson, Danny P. Wright

Method and apparatus for inhibiting the formation of polymerized vinylaromatic compounds during distillative purification of vinylaromatic monomer