Patents by Inventor Franklin Paul Spitler

Franklin Paul Spitler 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: 6541595
    Abstract: The present invention relates to powder coating compositions which can be cured at low temperatures. The powder coating composition of the invention include a unique combination of a branched oligoester polyol and uretdione crosslinking agent which when cured results in a coating binder with desirable hardness, flexibility, solvent resistance, corrosion resistance, weatherability and gloss.
    Type: Grant
    Filed: May 29, 2001
    Date of Patent: April 1, 2003
    Assignee: McWhorter Technologies Inc.
    Inventors: Kamlesh Pai Panandiker, John Michael Bronk, Franklin Paul Spitler
  • Publication number: 20020091206
    Abstract: The present invention relates to powder coating compositions which can be cured at low temperatures. The powder coating composition of the invention include a unique combination of a branched oligoester polyol and uretdione crosslinking agent which when cured results in a coating binder with desirable hardness, flexibility, solvent resistance, corrosion resistance, weatherability and gloss.
    Type: Application
    Filed: May 29, 2001
    Publication date: July 11, 2002
    Applicant: McWhorter Technologies, Inc.
    Inventors: Kamlesh Pai Panandiker, John Michael Bronk, Franklin Paul Spitler
  • Patent number: 6255523
    Abstract: The present invention relates to powder coating compositions which can be cured at low temperatures. The powder coating composition of the invention include a unique combination of a branched oligoester polyol and uretdione crosslinking agent which when cured results in a coating binder with desirable hardness, flexibility, solvent resistance, corrosion resistance, weatherability and gloss.
    Type: Grant
    Filed: September 18, 1998
    Date of Patent: July 3, 2001
    Assignee: McWhorter Technologies, Inc.
    Inventors: Kamlesh Pai Panandiker, John Michael Bronk, Franklin Paul Spitler