Patents by Inventor Motkuri Kishan

Motkuri Kishan 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).

  • Novel substituted calix (4) pyrroles and process for the synthesis of calix (4) pyrroles over molecular sieve catalysts
    Publication number: 20060211858
    Abstract: The present invention relates to novel calix pyrroles and a process for synthesis of calix (4) pyrroles by reacting pyrrole with cyclic or acyclic ketones in dichloro methane (DCM) solvent over molecular sieve catalysts which provides an eco-friendly, more economical and selective heterogeneous method.
    Type: Application
    Filed: February 20, 2006
    Publication date: September 21, 2006
    Inventors: Kondapuram Raghavan, Shivanand Kulkarni, Motkuri Kishan, Nagabandi Srinivas
  • Novel substituted calix (4) pyrroles and process for the synthesis of calix (4) pyrroles over molecular sieve catalysts
    Publication number: 20050261491
    Abstract: The present invention relates to novel calix pyrroles and a process for synthesis of calix (4) pyrroles by reacting pyrrole with cyclic or acyclic ketones in dichloro methane (DCM) solvent over molecular sieve catalysts which provides an eco-friendly, more economical and selective heterogeneous method.
    Type: Application
    Filed: July 29, 2003
    Publication date: November 24, 2005
    Inventors: Kondapuram Raghavan, Shivanand Kulkarni, Motkuri Kishan, Nagabandi Srinivas