Patents by Inventor Sunil C. Gheewala

Sunil C. Gheewala 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).

  • Low reflectance chemical resistant coating compositions
    Patent number: 6649687
    Abstract: A chemical resistant water reducible coating composition comprising: (i) an active hydrogen functional water dispersible polyurethane polymer; (ii) a crosslinking agent reactive with the active hydrogen functional polymer under curing conditions: (iii) a mixture of polymeric beads dispersed within the polymer wherein the mixture comprises: (a) polyolefin beads having a mean particle size as measured by laser diffraction analysis of about 5 to 40 microns; and (b) polyurea polymeric beads having a mean particle size of less than 15 microns wherein the mixture of polymeric beads is present at a level to provide an 85° gloss less than 3 and a 60° gloss less than 3.
    Type: Grant
    Filed: December 21, 2001
    Date of Patent: November 18, 2003
    Assignee: The Sherwin-Williams Company
    Inventors: Sunil C. Gheewala, Mark J. Wytiaz