Patents by Inventor Iftekhar A. Karimi

Iftekhar A. Karimi 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).

  • Spandex with low tackiness and process for making same
    Patent number: 6232374
    Abstract: Spandex containing certain anti-tack additives and having good dry-spinning continuity, and the process for making such spandex are provided.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: May 15, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hong Liu, Robert Lee Lock, Bryan Benedict Sauer, Iftekhar A. Karimi