Patents by Inventor Dwight Reid

Dwight Reid 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).

  • Acrolein scavengers
    Patent number: 5760283
    Abstract: A process for removing acrolein from a gaseous or liquid mixture, in one case aqueous solutions, involving contacting the mixture with a compound selected from the group consisting of sodium hypochlorite; an acid salt of hydroxylamine; a urea compound such as urea itself or thiourea; sodium bisulfite and 4,4-dimethyl-1-oxa-3-azacyclopentane in an amount effective to substantially remove acrolein has been discovered. The process works particularly well in selectively scavenging acrolein from aqueous solutions containing acrylonitrile.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: June 2, 1998
    Assignee: Baker Hughes Incorporated
    Inventors: Glenn L. Roof, Dwight Reid
  • Acrolein scavengers
    Patent number: 5606094
    Abstract: Disclosed herein is a process for removing acrolein from a gaseous or liquid mixture, in one case aqueous solutions, involving contacting the mixture with a compound selected from the group consisting of sodium hypochlorite; an acid salt of hydroxylamine; a urea compound such as urea itself or thiourea; sodium bisulfite and 4,4-dimethyl-1-oxa-3-azacyclopentane in an amount effective to substantially remove acrolein has been discovered. The process works particularly well in selectively scavenging acrolein from aqueous solutions containing acrylonitrile.
    Type: Grant
    Filed: January 10, 1995
    Date of Patent: February 25, 1997
    Assignee: Baker Hughes Incorporated
    Inventors: Glenn L. Roof, Dwight Reid