Patents by Inventor Pardhasaradhi Malladi

Pardhasaradhi Malladi 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).

  • Eco friendly process for the preparation of chiral alcohols by asymmetric reduction of prochiral ketones in water using soaked L (green grams)
    Patent number: 7179624
    Abstract: The present invention relates to a new eco-friendly process for the preparation of chiral alcohols by asymmetric reduction of prochiral ketones in water using soked phaseolus aureus L (green grams).
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: February 20, 2007
    Assignee: Council of Scientific and Industrial Research
    Inventors: Pardhasaradhi Malladi, Kumaraswamy Gullapalli, Ramesh Sunkanapally, Chembumkulam Kamalakshyamma Snehalatha Nair, Arun Kanti Das
  • Eco friendly process for the preparation of chiral alcohols by asymmetric reduction of prochiral ketones in water using soaked phaseolus aureus L (green gram)
    Publication number: 20040191879
    Abstract: The present invention relates to a new eco-friendly process for the preparation of chiral alcohols by asymmetric reduction of prochiral ketones in water using soked phaseolus aureus L (green grams).
    Type: Application
    Filed: March 25, 2003
    Publication date: September 30, 2004
    Inventors: Pardhasaradhi Malladi, Kumaraswamy Gullapalli, Ramesh Sunkanapally, Chembumkulam Kamalakshyamma Nair, Arun Kanti Das
  • Process for the preparation of 3-hydroxymethyl tetrahydrofuran
    Patent number: 6355814
    Abstract: The present invention relates to a catalytic process for the preparation of 3-hydroxymethyl tetrahydrofuran of formula IV with hydroformylation as one of the key steps. The process comprises reacting 9-hydroxymethyl-7,12-dioxaspiro[5,6]dodecane of the formula III with an alcohol in the presence of an acid catalyst and recovering the 3-hydroxymethyl tetrahydrofuran.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: March 12, 2002
    Assignee: Council of Scientific and Industrial Research of India
    Inventors: Pardhasaradhi Malladi, Sri Nagesh Kumar Potluri
  • Process for the synthesis of 5-(2-flurophenyl)-1H-tetrazole
    Patent number: 6326498
    Abstract: The present invention discloses a process of the preparation of 5-(2-flurophenyl)-1H-tetrazole of the formula 2 by reacting 2-fluoro benzonitrile of the formula 1 with an inorganic azide and an amine salt in an aromatic solvent, precipitating the product with hydrochloric acid and separating the precipitated product.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: December 4, 2001
    Assignee: Council of Scientific and Industrial Research
    Inventors: Pardhasaradhi Malladi, Srinivas Kantevari, Chembumkulam Kamalakshyamma Snehalatha Nair