Patents by Inventor Peter B. Grasse

Peter B. Grasse 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).

  • Publication number: 20120276317
    Abstract: A method of making an optically diffusive adhesive comprises: preparing a first adhesive composition comprising first particles dispersed in an optically clear adhesive matrix; determining a first haze and a first clarity of the first adhesive composition; and based upon the first haze and the first clarity, preparing a second adhesive composition that comprises the optically clear adhesive matrix, the first particles, and second particles dispersed in the optically clear adhesive matrix. An optically diffusive adhesive comprises first and second particles dispersed in an optically clear adhesive matrix is also disclosed. The first and second particles have a higher refractive index than the optically clear adhesive matrix. Articles comprising the optically diffusive adhesive are also disclosed.
    Type: Application
    Filed: November 23, 2010
    Publication date: November 1, 2012
    Inventors: Kiu-Yuen Tse, Peter B. Grasse
  • Patent number: 5270088
    Abstract: A graphic package comprises a plurality of graphics including at least a first graphic and a second graphic. The package further includes a dual function separating layer which is intermediate the first and second graphics. The separating layer comprises a substrate having an upper surface and a lower surface. A release coating is provided on the upper surface of the substrate for releasably retaining the first graphic on the substrate and an adhesive is provided on the lower surface of the substrate for temporarily bonding the second graphic to the substrate. The graphic package may be a pad or a roll.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: December 14, 1993
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Peter B. Grasse