Patents by Inventor Sirnivasan Palaniappan

Sirnivasan Palaniappan 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 a polyaniline salt
    Patent number: 6586565
    Abstract: The present invention provides a process for the preparation of a polyaniline salt by polymerizing an aromatic amine in the presence of a protonic acid and a mixture of aqueous and hydrocarbon solvents to obtain polyaniline salt dissolved in organic phase or in powder form.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: July 1, 2003
    Assignee: Council of Scientific & Industrial Research
    Inventor: Sirnivasan Palaniappan
  • Process for the preparation of a polyaniline salt
    Publication number: 20020062005
    Abstract: The present invention provides a process for the preparation of a polyaniline salt by polymerizing an aromatic amine in the presence of a protonic acid and a mixture of aqueous and hydrocarbon solvents to obtain polyaniline salt dissolved in organic phase or in powder form.
    Type: Application
    Filed: June 29, 2001
    Publication date: May 23, 2002
    Applicant: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventor: Sirnivasan Palaniappan