Patents by Inventor Richard Alan Sander

Richard Alan Sander 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).

  • Process for recovering acrolein or propionaldehyde from dilute aqueous streams
    Patent number: 6515187
    Abstract: A method of purifying acrolein or propionaldehyde with a single column distillation system is provided, where the distillation system has a side-draw take-off outlet for recovering purified acrolein or propionaldehyde located between the crude product feed point and the light-boiling impurities distillation site.
    Type: Grant
    Filed: June 21, 2002
    Date of Patent: February 4, 2003
    Assignee: Atofina Chemicals, Inc.
    Inventors: Steven Gabriel Schon, Samuel Marc Daniel, Richard Alan Sander