Patents by Inventor Onkar N. Singh

Onkar N. Singh 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).

  • Olopatadine formulations for topical administration
    Patent number: 6995186
    Abstract: Topical formulations of olopatadine for treatment of allergic or inflammatory disorders of the eye and nose are disclosed. The aqueous formulations contain approximately 0.17-0.62% (w/v) of olopatadine and an amount of polyvinylpyrrolidone or polystyrene sulfonic acid sufficient to enhance the physical stability of the formulations.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: February 7, 2006
    Assignee: Alcon, Inc.
    Inventors: Ernesto J. Castillo, Wesley Wehsin Han, Huixiang Zhang, Haresh G. Bhagat, Onkar N. Singh, Joseph Paul Bullock, Suresh C. Dixit
  • Olopatadine formulations for topical administration
    Publication number: 20030055102
    Abstract: Topical formulations of olopatadine for treatment of allergic or inflammatory disorders of the eye and nose are disclosed. The aqueous formulations contain approximately 0.17-0.62% (w/v) of olopatadine and an amount of polyvinylpyrrolidone or polystyrene sulfonic acid sufficient to enhance the physical stability of the formulations.
    Type: Application
    Filed: June 19, 2002
    Publication date: March 20, 2003
    Applicant: Alcon, Inc.
    Inventors: Ernesto J. Castillo, Wesley Wehsin Han, Huixiang Zhang, Haresh G. Bhagat, Onkar N. Singh, Joseph Paul Bullock, Suresh C. Dixit
  • Sustained release, and comfortable opthalmic composition and method for ocular therapy
    Patent number: 6486208
    Abstract: This invention relates to reduced stinging, sustained release ophthalmic formulations and the method of treatment comprising administering such formulations topically to the eye when in need thereof.
    Type: Grant
    Filed: March 15, 2001
    Date of Patent: November 26, 2002
    Assignee: Alcon Laboratories, Inc.
    Inventors: Ernesto J. Castillo, Ruma Sarkar, Onkar N. Singh, Alan L. Weiner, Cody Yarborough
  • Process for manufacturing compositions containing ciprofloxacin and hydrocortisone
    Patent number: 6462033
    Abstract: This invention is directed toward a method of preparing a topical composition comprising ciprofloxacin and hydrocortisone. The method involves dispersing hydrocortisone with lecithin for greater than 45 minutes prior to combining hydrocortisone with the balance of the composition.
    Type: Grant
    Filed: July 16, 2001
    Date of Patent: October 8, 2002
    Assignee: Alcon Universal Ltd.
    Inventor: Onkar N. Singh
  • Process for manufacturing compositions containinig ciprofloxacin and hydrocortisone
    Publication number: 20020037883
    Abstract: This invention is directed toward a method of preparing a topical composition comprising ciprofloxacin and hydrocortisone. The method involves dispersing hydrocortisone with lecithin for greater than 45 minutes prior to combining hydrocortisone with the balance of the composition.
    Type: Application
    Filed: July 16, 2001
    Publication date: March 28, 2002
    Applicant: Alcon Universal Ltd.
    Inventor: Onkar N. Singh
  • Topical composition comprising ciprofloxacin and hydrocortisone
    Publication number: 20020037884
    Abstract: This invention is directed toward a topical composition comprising ciprofloxacin and hydrocortisone, where the composition contains a specific grade of polyvinyl alcohol as a viscosity augmenter. The specified grade of polyvinyl alcohol is 85-90% hydrolyzed polyvinyl alcohol.
    Type: Application
    Filed: July 16, 2001
    Publication date: March 28, 2002
    Applicant: Alcon Universal Ltd.
    Inventors: Onkar N. Singh, Haresh G. Bhagat, Bhagwati P. Kabra
  • Pharmaceutical suspension compositions lacking a polymeric suspending agent
    Publication number: 20020037877
    Abstract: Stable aqueous pharmaceutical suspension compositions containing lecithin as a stabilizing additive and lacking a polymeric suspending agent are disclosed.
    Type: Application
    Filed: July 16, 2001
    Publication date: March 28, 2002
    Applicant: Alcon Universal Ltd.
    Inventor: Onkar N. Singh
  • Topical suspension formulations containing ciprofloxacin and dexamethasone
    Patent number: 6359016
    Abstract: Suspension formulations containing dexamethasone and ciprofloxacin are disclosed. The formulations contain a nonionic polymer, a nonionic surfactant and an ionic tonicity agent, but are physically stable and easily re-suspended. The formulations are intended for topical application to the eye, ear or nose.
    Type: Grant
    Filed: May 25, 2001
    Date of Patent: March 19, 2002
    Assignee: Alcon Universal Ltd.
    Inventors: Onkar N. Singh, Haresh G. Bhagat
  • Topical solution formulations containing an antibiotic and a corticosteroid
    Publication number: 20010049366
    Abstract: Solution formulations containing a corticosteroid, an antibiotic and a vitamin E tocopheryl derivative as a solubilizing agent are disclosed. The formulations are intended for topical application to the eye, ear, nose or skin.
    Type: Application
    Filed: February 8, 2001
    Publication date: December 6, 2001
    Applicant: Alcon Universal Ltd.
    Inventors: Onkar N. Singh, Haresh G. Bhagat
  • Topical suspension formulations containing ciprofloxacin and dexamethasone
    Publication number: 20010034339
    Abstract: Suspension formulations containing dexamethasone and ciprofloxacin are disclosed. The formulations contain a nonionic polymer, a nonionic surfactant and an ionic tonicity agent, but are physically stable and easily re-suspended. The formulations are intended for topical application to the eye, ear or nose.
    Type: Application
    Filed: May 25, 2001
    Publication date: October 25, 2001
    Inventors: Onkar N. Singh, Haresh G. Bhagat
  • Topical suspension formulations containing ciprofloxacin and dexamethasone
    Patent number: 6284804
    Abstract: Suspension formulations containing dexamethasone and ciprofloxacin are disclosed. The formulations contain a nonionic polymer, a nonionic surfactant and an ionic tonicity agent, but are physically stable and easily re-suspended. The formulations are intended for topical application to the eye, ear or nose.
    Type: Grant
    Filed: August 10, 2000
    Date of Patent: September 4, 2001
    Assignee: Alcon Universal Ltd.
    Inventors: Onkar N. Singh, Haresh G. Bhagat