Patents by Inventor Nilpesh Patel

Nilpesh Patel 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).

  • Synthesis of benzotriazole monomer
    Patent number: 7825257
    Abstract: The synthesis of benzotriazole monomers and the use of the benzotriazole monomers and one or more other monomers to prepare ultraviolet (UV) light absorbing polymer compositions. The synthetic methods described in this application provide a significant improvement over the previous methods used to prepare benzotriazole monomers.
    Type: Grant
    Filed: October 17, 2008
    Date of Patent: November 2, 2010
    Assignee: Bausch & Lomb Incorporated
    Inventors: Keshav Deo, Chandrakant Chunilal Shah, Kalpesh Patel, Nilpesh Patel, Viral Parekh, Ronak Patel, Jignesh Soni, Hiral Shah, David E. Seelye, Mahendra P. Nandu