Patents by Inventor Balagam Bharathi

Balagam Bharathi 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).

  • Preparation of new layered double hydroxides exchanged with diisopropylamide for C-C bond forming reactions
    Patent number: 6812186
    Abstract: The present invention relates to design and preparation of LDH-diisopropylamide through simple exchange process for the first time and its use in catalytic amounts for preparing aldols/&agr;,&bgr;-unsaturated nitriles/&agr;,&bgr;-unsaturated esters/transesterified products/&bgr;-nitroalkanols/Michael adducts and epoxide, resulting in higher yields.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: November 2, 2004
    Assignee: Council of Industrial Research
    Inventors: Boyapati Manoranjan Choudary, Aduri Ravindra, Mannepalli Lakshmi Kantam, Chinta Reddy Venkat Reddy, Balagam Bharathi
  • Preparation of new layered double hydroxides exchanged with diisopropylamide for C-C bond forming reactions
    Publication number: 20030191014
    Abstract: The present invention relates to design and preparation of LDH-diisopropylamide through simple exchange process for the first time and its use in catalytic amounts for preparing aldols/&agr;,&bgr;-unsaturated nitriles/&agr;,&bgr;-unsaturated esters/transesterified products/&bgr;-nitroalkanols/Michael adducts and epoxide, resulting in higher yields.
    Type: Application
    Filed: March 27, 2002
    Publication date: October 9, 2003
    Inventors: Boyapati Manoranjan Choudary, Aduri Ravindra, Mannepalli Lakshmi Kantam, Chinta Reddy Venkat Reddy, Balagam Bharathi
  • Process for the preparation of amine oxides
    Patent number: 6617454
    Abstract: The present invention provides a process for the preparation of amine oxide by reacting a tertiary or a secondary amine with hydrogen peroxide as an oxidant in the presence of a recyclable heterogeneous catalyst comprising a layered double hydroxide exchanged with an anion in the presence of an additive selected from the group consisting of benzonitrile, propionitrile, isobutyronitrile, benzamide and isobutyraride.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: September 9, 2003
    Assignee: Council of Scientific and Industrial Research
    Inventors: Boyapati Manoranjan Choudary, Chinta Reddy Venkat Reddy, Billakanti Veda Prakash, Balagam Bharathi, Mannepalli Lakshmi Kantam
  • Process for the preparation of amine oxides
    Patent number: 6455735
    Abstract: The present invention provides a process for the preparation of high quality amine oxide by reacting a tertiary or secondary amine with hydrogen peroxide as an oxidant in presence of a recyclable heterogeneous layered double hydroxide exchanged with one of the anions of transition metal oxides as a catalyst in a solvent selected from the group consisting of water, water containing dodecylbenzenesulfonic acid sodium salt as additive, and a water miscible organic solvent.
    Type: Grant
    Filed: September 27, 2001
    Date of Patent: September 24, 2002
    Assignee: Council of Scientific and Industrial Research
    Inventors: Boyapati M. Choudary, Balagam Bharathi, Mannepalli L. Kantam, Chinta R. V. Reddy, Kondapuram V. Raghavan
  • Process for the preparation of amine oxides
    Publication number: 20020095055
    Abstract: The present invention provides a process for the preparation of high quality amine oxide by reacting a tertiary or secondary amine with hydrogen peroxide as an oxidant in presence of a recyclable heterogeneous layered double hydroxide exchanged with one of the anions of transition metal oxides as a catalyst in a solvent selected from the group consisting of water, water containing dodecylbenzenesulfonic acid sodium salt as additive, and a water miscible organic solvent.
    Type: Application
    Filed: September 27, 2001
    Publication date: July 18, 2002
    Inventors: Boyapati M. Choudary, Balagam Bharathi, Mannepalli L. Kantam, Chinta R.V. Reddy, Kondapuram V. Raghavan
  • Process for the preparation of amine oxides
    Patent number: 6323367
    Abstract: A process for the preparation of high quality amine oxides by reacting a tertiary or secondary amine with hydrogen peroxide as an oxidant in the presence of a recyclable heterogeneous layered double hydroxide exchanged with one of the anions of transition metal oxides as a catalyst in an organic solvent at a temperature ranging between 10-25° C. for a period of 1-6 hours under continuous stirring and separating the product by simple filtration and subsequently evaporation of solvents by known methods.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: November 27, 2001
    Assignee: Council of Scientific and Industrial Research
    Inventors: Boyapati Manoranjan Choudary, Balagam Bharathi, Mannepalli Lakshmi Kantam, Chinta Venkat Reddy Reddy, Kondapuram Vijaya Raghavan