Patents by Inventor M. Lakshmi Kantam

M. Lakshmi Kantam 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).

  • Two Component Recyclable Heterogeneous Catalyst, Process for Preparation Thereof and its Use for Preparation of Amines
    Publication number: 20110313158
    Abstract: The invention describes the development of highly efficient, recyclable two component system, CuAl-hydrotalcite/rac 1,1?-Binaphthalene-2,2?-diol catalytic system for the N-alkylation of electron deficient aryl chlorides in presence of potassium carbonate as a base at room temperature in 3-6 h, wherein the process is provided for the preparation of various secondary amines via C—N coupling reaction of aliphatic amines(aliphatic open chain, acyclic, benzyl amines and heterocyclic amines) with various aryl chlorides.
    Type: Application
    Filed: February 26, 2010
    Publication date: December 22, 2011
    Inventors: Pravin R. Likhar, R. Arundhati, M. Lakshmi Kantam