Patents by Inventor Mark A. Vrana

Mark A. Vrana 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: 11866617
    Abstract: Adhesive compositions are described that are suitable for securing building materials, such as TPO membrane roofing to a structural element, such as a roof deck. The adhesive compositions are very high-solids, wet-set adhesives that provide a peel strength that meets or exceeds industry standards, while requiring application to only one of two surfaces to be joined. The adhesive compositions comprise a liquid modifier with hydroxyl functionality, a chlorinated polyolefin and a silylated polymer. Methods of use are also disclosed.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: January 9, 2024
    Assignee: Franklin International, Inc.
    Inventors: John William Duffy, Mark A. Vrana, Tanzin Fatima
  • Publication number: 20220002598
    Abstract: Adhesive compositions are described that are suitable for securing building materials, such as TPO membrane roofing to a structural element, such as a roof deck. The adhesive compositions are very high-solids, wet-set adhesives that provide a peel strength that meets or exceeds industry standards, while requiring application to only one of two surfaces to be joined. The adhesive compositions comprise a liquid modifier with hydroxyl functionality, a chlorinated polyolefin and a silylated polymer. Methods of use are also disclosed.
    Type: Application
    Filed: February 5, 2020
    Publication date: January 6, 2022
    Applicant: Franklin International, Inc.
    Inventors: John William Duffy, Mark A. Vrana, Tanzin Fatima
  • Publication number: 20090281233
    Abstract: A process for making VOC-compliant adhesives, sealants, or mastic compositions for use in residential and industrial construction applications, and the products made thereby utilizing VOC-compliant solvents in the polymerization process.
    Type: Application
    Filed: May 6, 2009
    Publication date: November 12, 2009
    Inventors: Mark A. Vrana, Sandipan Dutta, Nicholas J. Ford, Denny Doyle, Tobias N. Thompson, David E. Wortman, E. Jeffrey Davis