Patents by Inventor Barbara E. Kolpin

Barbara E. Kolpin 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).

  • Sheet product containing sorbent particulate material
    Patent number: 4429001
    Abstract: New sorbent sheet products are prepared comprising a coherent web of entangled blown fibers prepared by extruding liquid fiber-forming material into a high-velocity gaseous stream and an array of super absorbent polymeric particles dispersed within the web.
    Type: Grant
    Filed: March 4, 1982
    Date of Patent: January 31, 1984
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Barbara E. Kolpin, David C. Brownlee