Patents by Inventor Lydia Wagner

Lydia Wagner 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).

  • Hot melt adhesive compositions with improved wicking properties
    Patent number: 5685758
    Abstract: A nonwoven disposable article is constructed using adhesive compositions containing 1 to 25% of a surfactant, which causes the adhesive composition to exhibit a contact angle of 90.degree. or less and a reduction in surface tension of less than or equal to about 35-40 dynes/cm, giving improved wicking capabilities to the nonwoven.
    Type: Grant
    Filed: April 12, 1996
    Date of Patent: November 11, 1997
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Charles W. Paul, Matthew L. Sharak, Bing Wu, Lydia Wagner, Quinn Tong, Gary Raykovitz
  • Hydrophilic hot melt adhesives
    Patent number: 5356963
    Abstract: A hot melt adhesive composition comprising 5 to 50% by weight hydroxypropyl cellulose, 5 to 40% by weight plasticizer of which up to 85% may be a water insoluble plasticizer; 20 to 70% by weight tackifying resin; 0 to 40% by weight polar wax; 0 to 30% by weight compatible polymer; and, 0 to 3% by weight stabilizer.
    Type: Grant
    Filed: July 16, 1993
    Date of Patent: October 18, 1994
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Thomas F. Kauffman, Gary Raykovitz, Lydia Wagner, Matthew Sharak, Charles Paul