Patents by Inventor Kelly J. Seheult

Kelly J. Seheult 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).

  • Process for the manufacture of copolymers of formaldehyde and diphenyl oxide
    Patent number: 6646095
    Abstract: A process for the manufacture of copolymers of formaldehyde and diphenyl oxide and a carboxylic acid uses and acid with a pKa in the range of 1.2 to 3 as the catalyst.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: November 11, 2003
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Kelly J. Seheult, Shane M. Carter, Lawrence J. Scotchie
  • Process for the manufacture of copolymers of formaldehyde and diphenyl oxide
    Publication number: 20030162936
    Abstract: A process for the manufacture of copolymers of formaldehyde and diphenyl oxide and a carboxylic acid uses and acid with a pKa in the range of 1.2 to 3 as the catalyst.
    Type: Application
    Filed: January 16, 2002
    Publication date: August 28, 2003
    Inventors: Kelly J. Seheult, Shane M. Carter, Lawrence J. Scotchie