Patents by Inventor Sundareswaran P. Iyer

Sundareswaran P. Iyer 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 for reducing pressure drop in a packed column
    Patent number: 5332477
    Abstract: This invention relates to a method for decreasing the pressure drop in a column used for contacting at least one gaseous stream and at least one liquid stream, wherein a portion of the pressure drop across the column is caused by foam. The method comprises injecting a non-foamable liquid into the gaseous stream at a location, in an amount, and at a temperature which are sufficient to decrease the total pressure drop across the column.
    Type: Grant
    Filed: October 14, 1993
    Date of Patent: July 26, 1994
    Assignee: Ethyl Corporation
    Inventors: Sundareswaran P. Iyer, Robert H. Jones, Jr., David R. Smith