Patents by Inventor Harshad R. Dodia

Harshad R. Dodia 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).

  • Flame-retardant, vapor-permeable waterproof structure
    Patent number: 4908260
    Abstract: A flame resistant copolyetherester elastomer film composition comprising(a) 60-85 weight percent of a hydrophilic copolyetherester elastomer film having a thickness of 0.3-1.6 mils, a water vapor transmission rate of at least 7,000 gm.mil/m.sup.2 /24 hours and an elongation of at least 600% with said hydrophilic elastomer film consisting essentially of a multiplicity of long chain ester units and short chain ester units joined head-to-tail through ester linkages wherein copolyetherester elastomer contains about 25-80 weight percent short chain ester units, and(b) 15-40 weight percent of a flame retardant component comprised of 37.
    Type: Grant
    Filed: September 7, 1988
    Date of Patent: March 13, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Harshad R. Dodia, George J. Ostapchenko