Patents by Inventor Ranjan Banerji

Ranjan Banerji 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).

  • Herbal dye and process of preparation thereof
    Patent number: 7186279
    Abstract: The present invention provides a herbal black dye from natural materials comprising of Juglans regia, Indigofera tinctoria, Terminalia chebula, Acacia accocina, Lawsonia inermis, Trigonella foenum-graecum, Sapindus mukorossi, Eclipta alba, Embelica officinalis, Acacia catechu and Piper betle, the dye derived being safe, non toxic, anti-allergic, anti-dandruff and free from toxic symptoms like itching.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: March 6, 2007
    Assignee: Council of Scientific and Industrial Research
    Inventors: Pushpangadan Palpu, Mahesh Pal, Bhagwan Shankar Dixit, Ranjan Banerji, Chandana Venkateswara Rao
  • Herbal dye and process of preparation thereof
    Publication number: 20060143838
    Abstract: The present invention provides a herbal black dye from natural materials comprising of Juglans regia, Indigofera tinctoria, Terminalia chebula, Acacia accocina, Lawsonia inermis, Trigonella foenum-graecum, Sapindus mukorossi, Eclipta alba, Embelica officinalis, Acacia catechu and Piper betle, the dye derived being safe, non toxic, anti-allergic, anti-dandruff and free from toxic symptoms like itching.
    Type: Application
    Filed: December 30, 2004
    Publication date: July 6, 2006
    Inventors: Pushpangadan Palpu, Mahesh Pal, Bhagwan Dixit, Ranjan Banerji, Chandana Rao