Patents by Inventor Shivkumar Mahadevan

Shivkumar Mahadevan 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).

  • OPHTHALMIC COMPOSITIONS COMPRISING POLYETHER SUBSTITUTED POLYMERS
    Publication number: 20170157037
    Abstract: The present invention relates to ophthalmic solutions and devices comprising at least one water soluble polymer having a molecular weight of at least about 500,000 Daltons and comprising linear or branched polyether pendant groups having a molecular weight of at least about 300.
    Type: Application
    Filed: February 16, 2017
    Publication date: June 8, 2017
    Inventors: Frank Molock, Kathrine Osborn Lorenz, Shivkumar Mahadevan
  • MEDICAL DEVICES HAVING HOMOGENEOUS CHARGE DENSITY AND METHODS FOR MAKING SAME
    Publication number: 20170146695
    Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake.
    Type: Application
    Filed: February 2, 2017
    Publication date: May 25, 2017
    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
  • 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
  • Ophthalmic compositions comprising polyether substituted polymers
    Patent number: 9606263
    Abstract: The present invention relates to ophthalmic solutions and devices comprising at least one water soluble polymer having a molecular weight of at least about 500,000 Daltons and comprising linear or branched polyether pendant groups having a molecular weight of at least about 300.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: March 28, 2017
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frank Molock, Kathrine Osborn Lorenz, Shivkumar Mahadevan
  • Medical devices having homogeneous charge density and methods for making same
    Patent number: 9599751
    Abstract: The present invention relates to ionic silicone hydrogel polymers displaying improved lysozyme uptake, low contact angle and reduced water soluble polymeric ammonium salt uptake.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: March 21, 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
  • NON-REACTIVE, HYDROPHILIC POLYMERS HAVING TERMINAL SILOXANES AND METHODS FOR MAKING AND USING THE SAME
    Publication number: 20170051145
    Abstract: The present invention relates to compositions comprising at least one stable, near-monodisperse, non-reactive hydrophilic polymer comprising in said polymer's backbone, a hydrophilic segment having a degree of polymerization of about 10 to about 1000, and a linear silicone segment at at least one terminal end of said non-reactive hydrophilic polymer, wherein said silicone segment comprises between about 6 and about 200 siloxy units, and said non-reactive hydrophilic polymer is associated, via the linear silicone block with a silicone hydrogel. The non-reactive hydrophilic polymers may be incorporated into the formulation from which the silicone hydrogel is made or may be contacted with the silicone hydrogel post formation.
    Type: Application
    Filed: November 4, 2016
    Publication date: February 23, 2017
    Inventors: Charles Scales, Kunisi Venkatasubban, Shivkumar Mahadevan, Zohra Fadli, Brent Matthew Healy
  • OPHTHALMIC COMPOSITIONS COMPRISING POLYETHER SUBSTITUTED POLYMERS
    Publication number: 20170042933
    Abstract: The present invention relates to ophthalmic solutions and devices comprising at least one water soluble polymer having a molecular weight of at least about 500,000 Daltons and comprising linear or branched polyether pendant groups having a molecular weight of at least about 300.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Inventors: Frank Molock, Kathrine Osborn Lorenz, Shivkumar Mahadevan
  • METHODS FOR STABILIZING OXIDATIVELY UNSTABLE COMPOSITIONS
    Publication number: 20170007592
    Abstract: Ophthalmic compositions and methods of preparing such compositions are disclosed.
    Type: Application
    Filed: September 22, 2016
    Publication date: January 12, 2017
    Inventors: Shivkumar Mahadevan, Frank Molock, Vandeeta Khanolkar
  • METHODS AND OPHTHALMIC DEVICES USED IN THE TREATMENT OF OCULAR ALLERGIES
    Publication number: 20160367543
    Abstract: Ophthalmic devices and methods of treating allergic conjunctivitis are disclosed herein.
    Type: Application
    Filed: May 20, 2016
    Publication date: December 22, 2016
    Inventors: Ranganath R. Raja, Shivkumar Mahadevan, Azaam Alli, Frank F. Molock, Brian Pall
  • Non-reactive, hydrophilic polymers having terminal siloxanes and methods for making and using the same
    Patent number: 9522980
    Abstract: The present invention relates to compositions comprising at least one stable, near-monodisperse, non-reactive hydrophilic polymer comprising in said polymer's backbone, a hydrophilic segment having a degree of polymerization of about 10 to about 1000, and a linear silicone segment at least one terminal end of said non-reactive hydrophilic polymer, wherein said silicone segment comprises between about 6 and about 200 siloxy units, and said non-reactive hydrophilic polymer is associated, via the linear silicone block with a silicone hydrogel. The non-reactive hydrophilic polymers may be incorporated into the formulation from which the silicone hydrogel is made or may be contacted with the silicone hydrogel post formation.
    Type: Grant
    Filed: May 4, 2011
    Date of Patent: December 20, 2016
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Charles Scales, Kunisi Venkatasubban, Shivkumar Mahadevan, Zohra Fadli, Carrie Davis, Brent Matthew Healy
  • Ophthalmic compositions comprising polyether substituted polymers
    Patent number: 9511089
    Abstract: The present invention relates to ophthalmic solutions and devices comprising at least one water soluble polymer having a molecular weight of at least about 500,000 Daltons and comprising linear or branched polyether pendant groups having a molecular weight of at least about 300.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: December 6, 2016
    Inventors: Frank Molock, Katherine Osborn Lorenz, Shivkumar Mahadevan
  • METHOD OF MAKING SILICONE CONTAINING CONTACT LENS WITH REDUCED AMOUNT OF DILUENTS
    Publication number: 20160332398
    Abstract: The present invention relates to a method of manufacturing a contact lens including the steps of: (i) adding reactive components to a mold, wherein the reactive components comprise (a) at least one hydroxy-containing silicone component having a weight average molecular weight from about 200 to about 15,000 g/mole and (b) at least one mono-ether terminated, mono-methacrylate terminated polyethylene glycol having a weight average molecular weight from about 200 to about 10,000 g/mole; (ii) curing the reactive components within the mold to form the contact lens; and (iii) removing the contact lens from said mold.
    Type: Application
    Filed: July 27, 2016
    Publication date: November 17, 2016
    Inventors: Azaam Alli, Shivkumar Mahadevan
  • Methods for stabilizing oxidatively unstable compositions
    Patent number: 9474746
    Abstract: Ophthalmic compositions and methods of preparing such compositions are disclosed.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: October 25, 2016
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Shivkumar Mahadevan, Frank Molock, Vandeeta Khanolkar
  • Polymers comprising sulfonic acid groups
    Patent number: 9459377
    Abstract: The present invention relates to a polymers and hydrogels comprising a sulfonic acid component formed from reactive components comprising (i) at least one hydrophobic monomer and (ii) at least one sulfonic acid-containing component, wherein the sulfonic acid-containing component is comprised of a salt formed by a non-polymerizable, hydrophilic base and a polymerizable sulfonic acid. One or more embodiments provide that the at least one hydrophobic monomer comprises a silicone component.
    Type: Grant
    Filed: January 15, 2014
    Date of Patent: October 4, 2016
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Shivkumar Mahadevan, Thomas L. Maggio, Brent Matthew Healy, Leilani K. Sonoda, Michelle Carman Turnage, Hemantkumar Vashi
  • Method of making silicone containing contact lens with reduced amount of diluents
    Patent number: 9423528
    Abstract: The present invention relates to a method of manufacturing a contact lens including the steps of: (i) adding reactive components to a mold, wherein the reactive components comprise (a) at least one hydroxy-containing silicone component having a weight average molecular weight from about 200 to about 15,000 g/mole and (b) at least one mono-ether terminated, mono-methacrylate terminated polyethylene glycol having a weight average molecular weight from about 200 to about 10,000 g/mole; (ii) curing the reactive components within the mold to form the contact lens; and (iii) removing the contact lens from said mold.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: August 23, 2016
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Azaam Alli, Shivkumar Mahadevan
  • OPHTHALMIC COMPOSITIONS COMPRISING POLYETHER SUBSTITUTED POLYMERS
    Publication number: 20160158272
    Abstract: The present invention relates to ophthalmic solutions and devices comprising at least one water soluble polymer having a molecular weight of at least about 500,000 Daltons and comprising linear or branched polyether pendant groups having a molecular weight of at least about 300.
    Type: Application
    Filed: February 16, 2016
    Publication date: June 9, 2016
    Inventors: Frank Molock, Kathrine Osborn Lorenz, Shivkumar Mahadevan
  • Ophthalmic compositions comprising polyether substituted polymers
    Patent number: 9297928
    Abstract: The present invention relates to ophthalmic solutions and devices comprising at least one water soluble polymer having a molecular weight of at least about 500,000 Daltons and linear or branched polyether pendant groups having a molecular weight of at least about 300.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: March 29, 2016
    Assignee: Johnson & Johnson Vision Care, Inc.
    Inventors: Frank Molock, Kathrine Osborn Lorenz, Shivkumar Mahadevan
  • BIOCOMPATIBLE RECHARGABLE ENERGIZATION ELEMENTS FOR BIOMEDICAL DEVICES
    Publication number: 20160056440
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some embodiments, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Application
    Filed: June 22, 2015
    Publication date: February 25, 2016
    Inventors: Frederick A. Flitsch, Shivkumar Mahadevan, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner
  • METHODS AND APPARATUS TO FORM SEPARATORS FOR BIOCOMPATIBLE ENERGIZATION ELEMENTS FOR BIOMEDICAL DEVICES
    Publication number: 20160054589
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some examples, the methods and apparatus to form the biocompatible energization elements involve forming cavities composing active cathode chemistry. The active elements of the cathode and anode are sealed with a biocompatible material. In some examples, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Application
    Filed: April 15, 2015
    Publication date: February 25, 2016
    Inventors: Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner, Frederick A. Flitsch, Shivkumar Mahadevan
  • METHODS AND APPARATUS TO FORM BIOCOMPATIBLE ENERGIZATION PRIMARY ELEMENTS FOR BIOMEDICAL DEVICES
    Publication number: 20160054590
    Abstract: Methods and apparatus to form biocompatible energization elements are described. In some embodiments, the methods and apparatus to form the biocompatible energization elements involve forming cavities comprising active cathode chemistry. The active elements of the cathode and anode are sealed with a laminate stack of biocompatible material. In some embodiments, a field of use for the methods and apparatus may include any biocompatible device or product that requires energization elements.
    Type: Application
    Filed: June 22, 2015
    Publication date: February 25, 2016
    Inventors: FREDERICK A. FLITSCH, Shivkumar Mahadevan, Daniel B. Otts, Randall B. Pugh, James Daniel Riall, Adam Toner