Patents by Inventor Hemantkumar Vashi

Hemantkumar Vashi 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).

  • 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
  • POLYMERS COMPRISING SULFONIC ACID GROUPS
    Publication number: 20150198744
    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: Application
    Filed: January 15, 2014
    Publication date: July 16, 2015
    Applicant: JOHNSON & JOHNSON VISION CARE, INC.
    Inventors: Shivkumar Mahadevan, Thomas L. Maggio, Brent Matthew Healy, Leilani K. Sonoda, Michelle Carman Turnage, Hemantkumar Vashi