Patents by Inventor James Edward Kassner

James Edward Kassner 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).

  • Patent number: 9133297
    Abstract: Provided are ultraviolet (UV)-curable polyols and polyurethane compositions made by reacting the inventive polyol with an isocyanate. The inventive ultraviolet (UV)-curable polyol is made by co-polymerizing an alkylene oxide, an unsaturated carboxylic acid or anhydride and a hydroxy functional compound in the presence of a double metal cyanide (DMC) complex catalyst such that the polyol has an ultra-low level of unsaturation. The inventive polyols may be used to produce prepolymers, which in turn may be useful in making thin films which in turn may provide such items as medical examination gloves and scientific gloves. The inventive ultraviolet (UV)-curable polyurethane compositions may also find use in or as coatings, adhesives, sealants, elastomers and the like.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: September 15, 2015
    Assignee: ALLNEX IP S.à.r.L.
    Inventors: Bi Le-Khac, Karl W. Haider, Ramesh Subramanian, Charles A. Gambino, James Edward Kassner, Hu Xiaowei, William J. Sim
  • Patent number: 7041708
    Abstract: Ultraviolet (UV)-curable polyurethane compositions are provided which are made by reacting an isocyanate with an ultraviolet (UV)-curable polyol that is made by co-polymerizing an alkylene oxide, an unsaturated carboxylic acid or anhydride and a hydroxy functional compound and which has an ultra-low level of unsaturation. The inventive ultraviolet (UV)-curable polyurethane compositions may find use in or as coatings, adhesives, sealants, elastomers and the like.
    Type: Grant
    Filed: October 29, 2004
    Date of Patent: May 9, 2006
    Assignee: Bayer MaterialScience LLC
    Inventors: Bi Le-Khac, Karl W. Haider, Ramesh Subramanian, Charles A. Gambino, James Edward Kassner