Patents by Inventor Pillai T. Perumal

Pillai T. Perumal 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).

  • WATERBORNE COATING COMPOSITIONS
    Publication number: 20080161480
    Abstract: Water reducible graft polymers and coatings, including aerosol coatings, are described. The graft copolymers are useful for application to plastic and other substrates.
    Type: Application
    Filed: December 5, 2007
    Publication date: July 3, 2008
    Applicant: THE SHERWIN-WILLIAMS COMPANY
    Inventor: Pillai T. Perumal
  • NON-AQUEOUS COATING COMPOSITIONS
    Publication number: 20080152818
    Abstract: Non-aqueous graft polymers and coatings, including aerosol coatings, are described. The graft copolymers are useful for application to plastic and other substrates.
    Type: Application
    Filed: December 5, 2007
    Publication date: June 26, 2008
    Applicant: THE SHERWIN-WILLIAMS COMPANY
    Inventor: Pillai T. Perumal
  • .alpha.-glycol endcapped resins, their method of manufacture, and compositions containing the same
    Patent number: 5811498
    Abstract: A method of manufacturing phosphate-free alpha-glycol endcapped resins, and use of the resins in a coating composition, are disclosed. The alpha-glycol endcapped resins are prepared from a linear polymer terminated with phenol end groups and glycidol in the absence of phosphoric acid. The endcapped resins are incorporated into organic solvent-based coating compositions for application to metal substrates.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: September 22, 1998
    Assignee: The Dexter Corporation
    Inventors: Pillai T. Perumal, Walter R. Pedersen, Roger W. Hoch