Patents by Inventor Rajanarayana Venkataraghavan

Rajanarayana Venkataraghavan 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 preparing an emulsion
    Publication number: 20090306231
    Abstract: The invention relates to a process for preparing an emulsion of a first liquid in a second liquid wherein (a) at least one of the liquids comprises a surfactant or a precursor thereof, and (b) said second liquid has an electrical conductivity of less than 100 microSiemens/centimeter, and (c) interfacial tension between said liquids is at least 0.0001 mN/m, and (d) said liquids are subjected to an electric field of strength between 5000 to 107 V/m.
    Type: Application
    Filed: May 8, 2007
    Publication date: December 10, 2009
    Inventors: Satish Venkata Akella, David Chandra Franklin, Vijay Mukund Naik, Janhavi Sanjay Raut, Amit Kumar Singh, Sambamurthy Jayaraman Suresh, Rajanarayana Venkataraghavan
  • Method for cleaning of articles
    Publication number: 20070163624
    Abstract: A method to clean an article or an object wherein the surface of the article or object to be cleaned (i) is in contact with one or more liquids having a dielectric constant of from 1 to 200, and is (ii) placed in an electric field in the range of 103 V/m to a value limited by the stability of the liquid in the field generated using an alternating voltage/current source.
    Type: Application
    Filed: May 13, 2004
    Publication date: July 19, 2007
    Inventors: Kartik Kumar, Vijay Naik, Anita Sure, Sambamurthy Suresh, Sumit Taraphdar, Rajanarayana Venkataraghavan, Janhavi Raut