Patents by Inventor Rajendra P. Chaudhari

Rajendra P. Chaudhari 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).

  • Patent number: 7297798
    Abstract: A process for the preparation of the insecticide imidacloprid includes the reaction of 2-chloro-5-chloromethyl pyridine with 2-nitroiminoimidazolidine, carried out in the molar ratio of 1:1 to 1:1.2, in the presence of an alkali metal hydroxide in an aprotic solvent at 45 to 60° C. under stirring.
    Type: Grant
    Filed: February 7, 2006
    Date of Patent: November 20, 2007
    Assignee: Excel Crop Care Limited
    Inventors: Dipesh K. Shroff, Ashok K. Jain, Rajendra P. Chaudhari, Raghuvirsinh B. Jadeja, Mahendrasinh S. Gohil