Patents by Inventor Sheethu Jose

Sheethu Jose 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).

  • Blue inorganic colourants/pigments and process for preparation thereof
    Patent number: 9803063
    Abstract: Nontoxic Near infra-red Reflecting (NIR) inorganic pigments, characteristically blue and well suited for the coloration of a wide variety of substrates, for example, plastics and concrete building roofing material, etc., comprise mixed metal silicate having the general formula: LaxSr1-xCu1-yLiySi4O10, where x is equal to 0 to 0.5 and y is equal to 0 to 0.5. These silicates with tetragonal crystal structure are prepared by calcination method in air atmosphere.
    Type: Grant
    Filed: May 2, 2013
    Date of Patent: October 31, 2017
    Assignee: Council of Scientific & Industrial Research
    Inventors: Mundlapudi Lakshmipathi Reddy, Sheethu Jose
  • BLUE INORGANIC COLOURANTS/PIGMENTS AND PROCESS FOR PREPARATION THEREOF
    Publication number: 20150218340
    Abstract: Nontoxic Near infra-red Reflecting (NIR) inorganic pigments, characteristically blue and well suited for the colouration of a wide variety of substrates, for example, plastics and concrete building roofing material, etc., comprise mixed metal silicate having the general formula: LaxSr1-xCu1-yLiySi4O10, where x is equal to 0 to 0.5 and y is equal to 0 to 0.5. These silicates with tetragonal crystal structure are prepared by calcination method in air atmosphere.
    Type: Application
    Filed: May 2, 2013
    Publication date: August 6, 2015
    Inventors: Mundlapudi Lakshmipathi Reddy, Sheethu Jose