Patents by Inventor Narayan S. Punekar

Narayan S. Punekar 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).

  • Adsorbents comprising anthraquinone dye-ligends for the separation of biological materials
    Patent number: 8227599
    Abstract: A process for the separation of biological materials, such as dye-ligand affinity chromatography, wherein an adsorbent is used, which comprises a reaction product of certain reactive anthroquinone compounds and a substrate having a group capable of reaction with a reactive group in said reactive anthroquinone compounds to form a covalent bond.
    Type: Grant
    Filed: March 29, 2006
    Date of Patent: July 24, 2012
    Assignee: BASF SE
    Inventors: Vadiraj Subbanna Ekkundi, Narayan S. Punekar, Kamalesh Pai Fondekar, Georg Roentgen, Shilpa S. Korde, Ajit B. Shinde, Masana Moorthy
  • Adsorbents Comprising Anthraquinone Dye-Ligends for the Separation of Biological Materials
    Publication number: 20090081757
    Abstract: A process for the separation of biological materials, such as dye-ligand affinity chromatography, wherein an adsorbent is used, which comprises a reaction product of certain reactive anthroquinone compounds and a substrate having a group capable of reaction with a reactive group in said reactive anthroquinone compounds to form a covalent bond.
    Type: Application
    Filed: March 29, 2006
    Publication date: March 26, 2009
    Inventors: Vadiraj Subbanna Ekkundi, Narayan S. Punekar, Kamalesh Pai Fondekar, Georg Roentgen, Shilpa S. Korde, Ajit B. Shinde, Masana Moorthy