Patents by Inventor Tirunillayi S. Govindan

Tirunillayi S. Govindan 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 spray application of aqueous paints by controlling the temperature of the air in the paint spray zone
    Patent number: 3979535
    Abstract: The process is directed towards an improvement in the application of an aqueous paint to a substrate by air spraying the paint with a spray gun utilizing atomizing air at a flow rate of about 5-40 cubic feet per minute at an air pressure of 30-95 pounds per square inch at the spray gun and paint flow rate of about 5-30 ounces per minute, wherein the air atomized paint is applied to the substrate and baked to form a uniform finish on the substrate;The improvement that is used with this process comprises spraying atomized paint in an atmosphere that is controlled at a temperature of about 15.degree.-40.degree.C. and at such a relative humidity that the air has a drive force value with the range of 0.002 to 0.
    Type: Grant
    Filed: July 30, 1975
    Date of Patent: September 7, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Tirunillayi S. Govindan