Patents by Inventor Boyapati Choudary

Boyapati Choudary 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).

  • Use of a solid hydrotalcite structure incorporating fluorides for basic catalysis of michael or knoevenagel reactions
    Publication number: 20050250963
    Abstract: The invention concerns the use of a solid basic catalyst comprising a hydrotalcite structure wherein part at least of the compensating anions are fluoride anions F? for producing Knoevenagel of Michael condensation reactions. The invention also concerns novel solid basic catalysts comprising a hydrotalcite structure characterised by a Mg/Al molar ratio ranging between 2.5 and 3.8 wherein at least part of the compensating anions are fluoride anions F?, and methods for preparing said novel catalysts.
    Type: Application
    Filed: June 6, 2005
    Publication date: November 10, 2005
    Inventors: Francois Figueras, Boyapati Choudary, Mannepalli Kantam, Vattipally Neeraja, Kottapalli Koteswara Rao
  • Process for preparing and self-assembling property of nanobinary and ternary oxy/hydroxides
    Publication number: 20050238569
    Abstract: A process is disclosed for preparing and self-assembly of nanobinary and ternary metal oxy/hydroxides with high surface area and 1-10 nm size by aerogel procedure, involving homogenization of metal organic precursors in solvent mixture, controlled hydrolysis, gelation, hydrothermal treatment and finally supercritical drying of solvent.
    Type: Application
    Filed: February 15, 2005
    Publication date: October 27, 2005
    Applicant: Council of Scientific and Industrial Research
    Inventors: Boyapati Choudary, Swarna Vallabha, Bontha Reddy, Lakshmi Mannepalli, Mandapati Rao, Kottapalli Rao, Vijaya Kondapuram