Patents by Inventor Erode Subramanium Raja Gopal

Erode Subramanium Raja Gopal 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).

  • Direct method for preparing doped polyaniline, product prepared thereby and resinous articles containing said product
    Publication number: 20010037013
    Abstract: Doped polyanilines are prepared by contacting aniline with an oxidizing agent such as ammonium peroxydisulfate in aqueous solution at a temperature of at most about 10° C. in the presence of at least one organic sulfonic acid, preferably an alkylbenzenesulfonic acid such as dodecylbenzenesulfonic acid.
    Type: Application
    Filed: March 30, 2001
    Publication date: November 1, 2001
    Inventors: Sundeep Kumar Dhawan, Subhas Chandra, Erode Subramanium Raja Gopal, Navjot Singh, David Ernest Rodrigues, Michael Leslie Todt, James Ross Fishburn
  • Direct method for preparing doped polyaniline, product prepared thereby and resinous articles containing said product
    Publication number: 20010031854
    Abstract: Doped polyanilines are prepared by contacting aniline with an oxidizing agent such as ammonium peroxydisulfate in aqueous solution at a temperature of at most about 10° C. in the presence of at least one organic sulfonic acid, preferably an alkylbenzenesulfonic acid such as dodecylbenzenesulfonic acid.
    Type: Application
    Filed: March 30, 2001
    Publication date: October 18, 2001
    Inventors: Sundeep Kumar Dhawan, Subhas Chandra, Erode Subramanium Raja Gopal, Navjot Singh, David Ernest Rodrigues, Michael Leslie Todt, James Ross Fishburn
  • Direct method for preparing doped polyaniline, product prepared thereby and resinous articles containing said product
    Publication number: 20010012884
    Abstract: Doped polyanilines are prepared by contacting aniline with an oxidizing agent such as ammonium peroxydisulfate in aqueous solution at a temperature of at most about 10° C. in the presence of at least one organic sulfonic acid, preferably an alkylbenzenesulfonic acid such as dodecylbenzenesulfonic acid.
    Type: Application
    Filed: March 30, 2001
    Publication date: August 9, 2001
    Inventors: Sundeep Kumar Dhawan, Subhas Chandra, Erode Subramanium Raja Gopal, Navjot Singh, David Ernest Rodriques, Michael Leslie Todt, James Ross Fishburn