Patents by Inventor Randy S. Frank

Randy S. Frank 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).

  • Elastomer-modified crosslinked epoxy vinyl ester particles and methods for making and using the same
    Patent number: 9102868
    Abstract: A plurality of particles comprising an elastomer-modified crosslinked aromatic epoxy vinyl ester polymer, wherein a particle from the plurality of particles maintains at least 50 percent of its height under a pressure of 1.7×107 Pascals at a temperature of at least 150° C. is disclosed. Mixtures of the plurality of particles and other particles, fluids containing the plurality of particles, methods of making the plurality of particles, and methods of fracturing a subterranean geological formation are also disclosed.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: August 11, 2015
    Assignee: 3M Innovative Properties Company
    Inventors: Joseph D. Rule, Mohit Malik, Randy S. Frank
  • ELASTOMER-MODIFIED CROSSLINKED EPOXY VINYL ESTER PARTICLES AND METHODS FOR MAKING AND USING THE SAME
    Publication number: 20130126161
    Abstract: A plurality of particles comprising an elastomer-modified crosslinked aromatic epoxy vinyl ester polymer, wherein a particle from the plurality of particles maintains at least 50 percent of its height under a pressure of 1.7×107 Pascals at a temperature of at least 150° C. is disclosed. Mixtures of the plurality of particles and other particles, fluids containing the plurality of particles, methods of making the plurality of particles, and methods of fracturing a subterranean geological formation are also disclosed.
    Type: Application
    Filed: July 27, 2011
    Publication date: May 23, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Joseph D. Rule, Mohit Malik, Randy S. Frank
  • Water-based adhesive compositions with polyamine curative and binder
    Publication number: 20040258922
    Abstract: Water-based adhesive compositions are described that includes epoxy capsules and a polymeric amine that is water soluble or water dispersible. The epoxy capsules include an outer shell material and an epoxy resin encapsulated by the outer shell material. The polymeric amine functions as an epoxy curative and as a binder resin. The compositions are substantially free of other additional organic binders. The compositions are suitable for use as mechanical fastener adhesives.
    Type: Application
    Filed: June 20, 2003
    Publication date: December 23, 2004
    Inventors: Peggy S. Willett, Robert D. Waid, Randy S. Frank, Tony R. Carrozzella