Patents by Inventor Lawton Kizer

Lawton Kizer 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).

  • Processes for Purifying a Cellulosic Material
    Publication number: 20140326421
    Abstract: A process for treating a cellulosic material comprising extracting the cellulosic material with an extractant to selectively extract hemicellulose therefrom and separating the extracted hemicellulose to form a cellulosic product comprising less hemicellulose than the cellulosic material. The extractant comprises a cellulose solvent and a co-solvent. The cellulosic product advantageously retains its cellulosic fiber morphology. The processes involve separating and recovering the hemicellulose and separating and recycling various process streams employed in the process.
    Type: Application
    Filed: May 2, 2014
    Publication date: November 6, 2014
    Applicant: Celanese International Corporation
    Inventors: Denis G. Fallon, Thomas S. Garrett, Lawton Kizer, Bin Li, Rongfu Li, Jay Mehta, Tianshu Pan, Xiaoyan Tu, Leslie Allen, Dinesh Arora, Prabuddha Bansal, Michael T. Combs
  • Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp
    Publication number: 20070167618
    Abstract: A process for the manufacture of cellulose esters is described. The process includes the steps of: pre-treating pulp for the removal of impurities with either caustic or acid or both, esterifying the pre-treated pulp, and recycling the caustic or acid or both from the pre-treating step.
    Type: Application
    Filed: January 13, 2006
    Publication date: July 19, 2007
    Inventors: Linfu Wang, Henry Stogner, Denis Fallon, Lawton Kizer, Charles Toney, Billy Batson