Patents by Inventor Madakasira Narasimhachary Shashikala

Madakasira Narasimhachary Shashikala 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 silver nano particles
    Patent number: 8852316
    Abstract: The invention relates to a process for the preparation of silver nano particles comprising dissolving a surfactant in ethanol to obtain a first solution; dissolving a silver precursor in water to obtain a second solution; adding the second solution to the first solution to obtain a third solution; dissolving a reducing agent in water to obtain a reducing agent solution and adding the reducing agent solution to the third solution to obtain silver nano particles.
    Type: Grant
    Filed: April 28, 2009
    Date of Patent: October 7, 2014
    Assignee: TATA Chemicals Limited
    Inventors: Murali Sastry, Madakasira Narasimhachary Shashikala, Sumant Phadtare
  • PROCESS FOR THE PREPARATION OF SILVER NANO PARTICLES
    Publication number: 20110017019
    Abstract: The invention relates to a process for the preparation of silver nano particles comprising dissolving a surfactant in ethanol to obtain a first solution; dissolving a silver precursor in water to obtain a second solution; adding the second solution to the first solution to obtain a third solution; dissolving a reducing agent in water to obtain a reducing agent solution and adding the reducing agent solution to the third solution to obtain silver nano particles
    Type: Application
    Filed: April 28, 2009
    Publication date: January 27, 2011
    Applicant: Tata Chemicals Limited
    Inventors: Murali Sastry, Madakasira Narasimhachary Shashikala, Sumant Phadtare