Patents by Inventor Apurva N. Shah

Apurva N. Shah 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).

  • Method, apparatus and composition for removing pollutants from the atmosphere
    Patent number: 6375902
    Abstract: This invention relates to a method, apparatus and composition for cleaning the atmosphere; and more particularly to a stationary substrate comprising at least one atmosphere contacting surface having a pollutant treating catalytic material coated thereon. Preferably, said catalytic material is capable of converting ozone to oxygen. Said coated substrate is advantageously non-flammable and flexible.
    Type: Grant
    Filed: May 24, 1999
    Date of Patent: April 23, 2002
    Assignee: Engelhard Corporation
    Inventors: Ahmad Moini, Jeffrey B. Hoke, Apurva N. Shah