Patents by Inventor Uttam R. Kalkote

Uttam R. Kalkote 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 the preparation of ethyl 3-ethoxy-4-ethoxycarbonyl-phenylacetate
    Patent number: 6818786
    Abstract: The present invention relates to a process for the preparation of ethyl 3-ethoxy-4-ethoxycarbonyl-phenylacetate having formula 1 Ethyl 3-ethoxy-4-ethoxycarbonyl-phenylacetate (1) is an important key intermediate for the synthesis of repaglinide (2) an oral hypoglycemic agent
    Type: Grant
    Filed: March 31, 2003
    Date of Patent: November 16, 2004
    Assignee: Council of Scientific and Industrial Research
    Inventors: Uttam R. Kalkote, Mukund K. Gurjar, Shreerang V. Joshi, Suresh M. Kadam, Sanjay J. Naik
  • PROCESS FOR THE PREPARATION OF ETHYL 3-ETHOXY-4-ETHOXYCARBONYL-PHENYLACETATE
    Publication number: 20040192955
    Abstract: The present invention relates to a process for the preparation of ethyl 3-ethoxy-4-ethoxycarbonyl-phenylacetate having formula 1.
    Type: Application
    Filed: March 31, 2003
    Publication date: September 30, 2004
    Inventors: Uttam R. Kalkote, Mukund K. Gurjar, Shreerang V. Joshi, Suresh M. Kadam, Sanjay J. Naik
  • Process for the preparation of codeine from morphine
    Patent number: 4764615
    Abstract: Codeine is prepared by reacting morphine with trimethyl phenyl ammonium chloride in the presence of an alkali metal carbonate and a hydrocarbon solvent at a temperature of from 40.degree. to 120.degree. C. Codeine is recovered from the reaction mixture. Codeine is useful as an analgesic and antitussive drug.
    Type: Grant
    Filed: December 10, 1986
    Date of Patent: August 16, 1988
    Assignee: Council of Scientific & Industrial Research
    Inventors: Nagaraj R. Ayyangar, Anil R. Choudhary, Uttam R. Kalkote, Vasant K. Sharma