Patents by Inventor Andrew H. Dervan

Andrew H. Dervan 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: 4533684
    Abstract: Novel epoxy-polyester graft copolymer and novel, solvent-based thermosetting coating composition comprising said copolymer and blocked polyisocyanate crosslinking agent. Coating composition may be formulated as hot sprayable, high solids coating composition suitable for use as a chip resistant automotive vehicle primer adapted for use on body panel areas subject to chipping by stones, gravel and other road debris. Alternatively, composition may be formulated as a high solids composition sprayable with conventional spraying equipment. Epoxy-polyester monomers in presence of hydroxy functional epoxy ester resin precursor. Precursor resin is formed by reaction of diepoxide, chain extended with diphenol and dicarboxylic acid, with hydroxy functional secondary amine in chain terminating reaction.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: August 6, 1985
    Assignee: Ford Motor Company
    Inventors: Panagiotis I. Kordomenos, Andrew H. Dervan, Dennis J. Grebur
  • Patent number: 4491663
    Abstract: Novel trifunctinal blocked isocyanates containing an isocyanurate ring and method of preparing are disclosed. Use of blocked isocyanates of invention as crosslinker for aqueous and nonaqueous compositions is also taught.
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: January 1, 1985
    Assignee: Ford Motor Company
    Inventors: Panagiotis I. Kordomenos, Andrew H. Dervan