Patents by Inventor C. Surendran

C. Surendran 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).

  • Medical devices having homogeneous charge density and methods for making same
    Patent number: 9612364
    Abstract: The present invention relates to ionic silicone hydrogel polymers comprising at least one pharmaceutical or nutriceutical component and displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: April 4, 2017
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Shivkumar Mahadevan, Zohra Fadli, Charles Scales, Thomas Maggio, Kunisi Venkatasubban, Eric R. George, James D. Ford, Carrie L. Davis, Leah Hansen, Scott L. Joslin, Douglas G. Vanderlaan, Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan
  • Ionic silicone hydrogels
    Patent number: 9125808
    Abstract: The present invention relates to ionic silicone hydrogel contact lenses which comprise at least one pharmaceutical or nutriceutical component and are formed from reaction mixtures comprising a mixture of slow-reacting hydrophilic monomers, including at least one slow-reacting ionic monomer, at least one silicone-containing component and at least one hydroxyl-containing component, wherein the ratio of the slow-reacting hydrophilic component half lives to the silicone-containing component half life is at least 2.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: September 8, 2015
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, James D. Ford, Douglas G. Vanderlaan, Scott L. Joslin, Shivkumar Mahadevan, Thomas L. Maggio, Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan
  • Ionic silicone hydrogels comprising pharmaceutical and/or neuticeutical components and having improved hydrolytic stability
    Patent number: 9101667
    Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: August 11, 2015
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridharan, Shivkumar Mahadevan, Thomas L. Maggio, Azaam Alli, Scott L. Joslin
  • IONIC SILICONE HYDROGELS COMPRISING PHARMACEUTICAL AND/OR NEUTICEUTICAL COMPONENTS AND HAVING IMPROVED HYDROLYTIC STABILITY
    Publication number: 20140329859
    Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved thermal stability. More specifically, the present invention relates to a polymer formed from reactive components comprising at least one silicone component and at least one ionic component comprising at least one anionic group. The polymers of the present invention display good thermal stability and desirable protein uptake.
    Type: Application
    Filed: July 18, 2014
    Publication date: November 6, 2014
    Inventors: Ranganath Raja, Sharmila Muthukrishnan, C. Surendran, R. Sridhara, Shivkumar Mahadevan, Thomas L. Maggio, Azaam Alli, Scott L. Joslin