Patents by Inventor A. Levent Cimedoglu

A. Levent Cimedoglu 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).

  • Polysaccharide aldehydes prepared by oxidation method and used as strength additives in papermaking
    Patent number: 7247722
    Abstract: Polysaccharide aldehydes are prepared using selective oxidation involving the use of nitroxyl radical mediated aqueous oxidation with a limited amount of oxidant and defined reaction conditions. These polysaccharide aldehyde derivatives having maximum effective aldehyde and minimal carboxylic acid levels making them especially useful as wet, temporary wet and dry strength additives for paper.
    Type: Grant
    Filed: April 23, 2003
    Date of Patent: July 24, 2007
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: A. Levent Cimedoglu, John S. Thomaides