Patents by Inventor Janet L. Havey

Janet L. Havey 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: 6001163
    Abstract: Compositions having improved stability which, when applied to a variety of substrates and cured, form transparent coatings having superior abrasion resistant properties. The coating compositions are aqueous-organic solvent mixtures containing a mixture of hydrolysis products and partial condensates of an epoxy functional silane and a tetrafunctional silane and a multifunctional compound selected from the group consisting of multifunctional carboxylic acids, multifunctional anhydrides and combinations thereof.
    Type: Grant
    Filed: April 17, 1997
    Date of Patent: December 14, 1999
    Assignee: SDC Coatings, Inc.
    Inventors: Janet L. Havey, Tuan H. Ho, Allen M. Guest, Karl W. Terry, Mark S. Sollberger
  • Patent number: 5958514
    Abstract: Compositions having improved stability which, when applied to a variety of substrates and cured, form transparent coatings having superior abrasion resistant properties. The coating compositions are aqueous-organic solvent mixtures containing a mixture of hydrolysis products and partial condensates of an epoxy functional silane and a tetrafunctional silane and a multifunctional compound selected from the group consisting of multifunctional carboxylic acids, multifunctional anhydrides and combinations thereof.
    Type: Grant
    Filed: February 27, 1998
    Date of Patent: September 28, 1999
    Assignee: SDC Coatings, Inc.
    Inventors: Janet L. Havey, Tuan H. Ho, Allen M. Guest, Karl W. Terry, Mark S. Sollberger