Patents by Inventor Larry Ray Visser

Larry Ray Visser 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).

  • HOLLOW MICROSPHERES
    Publication number: 20130344337
    Abstract: There is provided hollow microspheres comprising: at least 45 wt % of recycled glass based on the total weight of a feed composition from which the hollow microspheres are derived, wherein the hollow microspheres have a density of less than 1.25 g/cm3, strength at 20% volume reduction greater than 20 MPa and have a substantially single cell structure. There is also provided hollow microspheres comprising: a blend of recycled glass and glass feed, wherein the hollow microspheres have a density of less than 1.25 g/cm3 and are made from a feed composition that is essentially free of an added effective blowing agent. There is provided a method for making hollow microspheres.
    Type: Application
    Filed: February 24, 2012
    Publication date: December 26, 2013
    Applicant: 3M Innovative Properties Company
    Inventors: Gang Qi, Kenton D. Budd, Michael J. Staiger, Jean Ann Tangeman, Larry Ray Visser