Patents by Inventor Erning Xia

Erning Xia 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).

  • Publication number: 20070140897
    Abstract: The present invention includes an ophthalmically acceptable composition for use in the ocular region of a patient, the ophthalmically acceptable composition comprising water, a biguanide containing antimicrobial agent and a pH adjusting agent to adjust the pH to a minimum of 4 and a maximum of 6. The invention further comprises administering the ophthalmically acceptable composition to the eye of a patient in need of treatment.
    Type: Application
    Filed: December 21, 2006
    Publication date: June 21, 2007
    Inventors: Hongna Wang, Erning Xia, Srini Venkatesh
  • Publication number: 20070141092
    Abstract: An ophthalmically acceptable composition comprising to the ocular region of a patient, the ophthalmically acceptable composition comprising water, a biguanide containing antimicrobial in an amount effective to treat viral infection. The invention further comprises administering the ophthalmically acceptable composition to the eye of a patient in need of treatment.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 21, 2007
    Inventors: Erning Xia, Hongna Wang, Lynne Brunner, Praveen Tyle
  • Publication number: 20070141091
    Abstract: An ophthalmically acceptable composition comprising a biguanide antimicrobial agent and an ointment base. The invention further comprises administering the ophthalmically acceptable composition to the eye of a patient in need of treatment.
    Type: Application
    Filed: December 14, 2006
    Publication date: June 21, 2007
    Inventors: Erning Xia, Hongna Wang, Praveen Tyle
  • Publication number: 20070110812
    Abstract: Disclosed in embodiments are gel formulations which are not subject to the settling out phenomena that may be observed with Loteprednol etabonate suspensions.
    Type: Application
    Filed: November 9, 2006
    Publication date: May 17, 2007
    Inventors: Erning Xia, John Denick, Richard Smerbeck
  • Patent number: 7192937
    Abstract: The use of compositions containing one or more oligosaccharides in an amount effective to disinfect and/or preserve medical devices, pharmaceutical preparations, and the like is described. Buffered solutions containing one or more oligosaccharide-containing compositions and methods of making and using the same are also described.
    Type: Grant
    Filed: May 19, 2004
    Date of Patent: March 20, 2007
    Assignee: Bausch & Lomb Incorporated
    Inventor: Erning Xia
  • Publication number: 20070004672
    Abstract: The present invention is directed to a composition for treating dry eye comprising, in one embodiment, alginate and a polyol. Such compositions have been found to alleviate the symptoms of dry eye and remain in the eye for a long period of time.
    Type: Application
    Filed: June 27, 2006
    Publication date: January 4, 2007
    Inventors: Dharmendra Jani, Erning Xia
  • Publication number: 20060292105
    Abstract: The use of one or more compositions of one or more preserving agents at a relatively high osmolality to disinfect contact lenses and preserve topical agents and ophthalmic lens compositions is described. Ophthalmic lens solutions containing one or more compositions of one or more preserving agents at a relatively high osmolality and methods of making and using the same are also described.
    Type: Application
    Filed: June 27, 2006
    Publication date: December 28, 2006
    Inventors: O. Lever, Erning Xia
  • Publication number: 20060292188
    Abstract: The invention provides an ophthalmic solution with at least one flavoring agent to mask flavors in the solution or add flavor to the solution. The flavoring agent can be a sweet flavoring agent (sweetener), or combinations of a sweetener with a sour flavoring agent or a bitter flavoring agent or mixtures thereof. The flavoring agent may also be natural flavors, natural fruit flavors, artificial flavors, artificial fruit flavors, flavor enhancers and mixtures thereof, which may be combined with a sweetener, a sour flavoring agent, a bitter flavoring agent, and mixtures thereof. The invention may be utilized as a contact lens solution, an eye drop formulation, and a pharmaceutical composition containing at least one active pharmaceutical ingredient for the treatment of eye diseases.
    Type: Application
    Filed: May 11, 2006
    Publication date: December 28, 2006
    Inventors: Joseph Salamone, Erning Xia
  • Publication number: 20060292189
    Abstract: The invention provides an ophthalmic solution with a flavoring agent as a dosing indicator and a method for indicating dosage of an ophthalmic solution. To indicate dosage, a flavoring agent is added to an ophthalmic solution in an amount correlated to the dosage of the ophthalmic solution to be used. The flavoring agent can be a sweet flavoring agent (sweetener), or combinations of a sweetener with a sour flavoring agent or a bitter flavoring agent or mixtures thereof. The flavoring agent may also be natural flavors, natural fruit flavors, artificial flavors, artificial fruit flavors, flavor enhancers and mixtures thereof, which may be combined with a sweetener, a sour flavoring agent, a bitter flavoring agent, and mixtures thereof. The invention may be utilized as a contact lens solution, an eye drop formulation, and a pharmaceutical composition containing at least one active pharmaceutical ingredient for the treatment of eye diseases.
    Type: Application
    Filed: May 11, 2006
    Publication date: December 28, 2006
    Inventors: Erning Xia, Joseph Salamone
  • Publication number: 20060287278
    Abstract: The present invention is directed to a composition comprising: (a) at least one nonderivatized chitosan and (b) at least one solubilizing buffer, as well as methods of preserving contact lens solutions and disinfecting contact lens using such composition.
    Type: Application
    Filed: June 21, 2006
    Publication date: December 21, 2006
    Inventors: Zhenze Hu, Erning Xia
  • Publication number: 20060223727
    Abstract: The present invention is directed to a composition for treating dry eye comprising, in one embodiment, carboxymethylcellulose and a polyol. Such compositions have been found to alleviate the symptoms of dry eye and remain in the eye for a long period of time.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 5, 2006
    Inventors: Joseph Salamone, Erning Xia, X. Liu
  • Publication number: 20060222623
    Abstract: The present invention is directed to a composition for treating dry eye comprising, in one embodiment, carboxymethylcellulose and a polyol. Such compositions have been found to alleviate the symptoms of dry eye and remain in the eye for a long period of time.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 5, 2006
    Inventors: Erning Xia, Joseph Salamone, X. Liu
  • Publication number: 20060197067
    Abstract: An ophthalmic composition includes a hydrophilic radiation-absorbing material, which includes a radiation-absorbing moiety coupled with a hydrophilic moiety. An ophthalmic device immersed in such a composition can obtain a radiation-absorbing property and provide protection to the wearer against such radiation. The ophthalmic composition can be formulated to achieve an effect selected from cleaning, sterilizing, storing, and combinations thereof.
    Type: Application
    Filed: March 4, 2005
    Publication date: September 7, 2006
    Inventors: Erning Xia, Yu-Chin Lai, Edmond Quinn
  • Publication number: 20060148686
    Abstract: The invention comprises a method of treating dry eye in a patient in need of such treatment. The treatment comprises administering to a patient in need thereof an ophthalmic pharmaceutical composition comprising a corticosteroid and cyclosporine. In a further embodiment of the invention the corticosteroid is loteprednol etabonate. In yet a further embodiment of the invention the cyclosporine is present in the ophthalmic composition as either a natural or synthetic cyclosporine.
    Type: Application
    Filed: December 19, 2005
    Publication date: July 6, 2006
    Inventors: Erning Xia, Zhenze Hu, Praveen Tyle, Stephen Bartels
  • Patent number: 7067479
    Abstract: Ophthalmic compositions include a polycation material to enhance antimicrobial efficacy against bacteria such as E. coli. The compositions include eye drop and contact lens treating solutions. A preferred polycation material is cationic cellulose derivatives.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: June 27, 2006
    Assignee: Bausch & Lomb Inc.
    Inventors: Erning Xia, Joseph C. Salamone, Roya Borazjani, Alyce K. Dobie, Deborah McGrath, Zhenze Hu, Daniel M. Ammon, Jr.
  • Publication number: 20060134060
    Abstract: Disclosed herein are new formulations containing Aloe Vera. These formulations are useful as eye drops that provide high patient compliance as well as carriers for pharmaceuticals such as steroids and anti-allergy ophthalmic drugs.
    Type: Application
    Filed: December 13, 2005
    Publication date: June 22, 2006
    Inventor: Erning Xia
  • Publication number: 20060073184
    Abstract: The present invention is directed to a viscoelastic composition comprising an aqueous solution having a viscoelastic polymer based upon the total volume of the viscoelastic composition. Typically, the viscoelastic composition further contains soluble vitamin derivative. The present invention also includes methods of use of the new viscoelastic composition and a packaging device.
    Type: Application
    Filed: June 21, 2005
    Publication date: April 6, 2006
    Inventors: Erning Xia, George Green
  • Publication number: 20060073185
    Abstract: A solution for soft, hydrogel contact lenses includes a polyether that is controllably released into an eye's tear film when the lens is worn. Polyether components of the subject solution are released from the soft contact lens material matrix over long time periods to produce longer lasting wetting performance, improved lubricity, improved comfort, and/or reduced feeling of dryness from wearing contact lenses. The solution further includes a cationic polyelectrolyte.
    Type: Application
    Filed: November 22, 2005
    Publication date: April 6, 2006
    Inventors: Dharmendra Jani, Joseph Salamone, Zhenze Hu, Erning Xia, Roya Borazjani, Daniel Ammon
  • Publication number: 20060067981
    Abstract: The present invention is directed to a contact lens comprising a porous lens material and a disinfectant, including but not limited to domiphen bromide. The disinfectant is typically absorbed into the pores of the lens. The present invention also includes a related process for manufacture, method of use and kit.
    Type: Application
    Filed: June 3, 2005
    Publication date: March 30, 2006
    Inventor: Erning Xia
  • Publication number: 20050277562
    Abstract: Compositions and methods for cleaning surgical devices employing one or more phosphonates, one or more surfactants and one or more buffering agents in amounts effective to reduce elemental deposits on surgical devices are disclosed. Additionally, methods of making and using surgical device cleaning solutions containing one or more of the subject compositions are also disclosed.
    Type: Application
    Filed: June 14, 2004
    Publication date: December 15, 2005
    Inventors: Erning Xia, Horngyih Huang, O. Lever, Wenyan Yan