Patents by Inventor Xiaojun Michael Liu

Xiaojun Michael Liu 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: 20240316028
    Abstract: Provided herein are gel, ointment, lotion, or cream formulations including an active pharmaceutical ingredient that includes a tropanyl moiety. The gel, lotion or cream formulations may include at least one low molecular weight (LMW) compound or a pharmaceutically acceptable salt thereof. Also provided herein are gel, ointment, lotion, or cream formulations including an active pharmaceutical agent such as atropine, pilocarpine, physostigmine, or travoprost.
    Type: Application
    Filed: March 15, 2024
    Publication date: September 26, 2024
    Inventors: Xiaojun Michael Liu, James Jane-Guo Shiah
  • Publication number: 20240115551
    Abstract: Described herein are formulations including pharmaceutical agents comprising ester and/or lactone ring structures, and methods of using the same. The invention is also directed to a method and ophthalmic pharmaceutical compositions including solution and semisolid dosage forms (i.e. ophthalmic creams, gels, lotions, serums, and/or ointments) of treating a patient with various ocular diseases including presbyopia and dry eyes. The method comprising instructing a patient to apply one strip of the ophthalmic composition to the eyelids that includes pilocarpine or other active pharmaceutical ingredients containing ester and/or lactone ring structures with and without the buffering system.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 11, 2024
    Inventors: Xiaojun Michael Liu, James Jane-Guo Shiah, Gabriella Szekely
  • Publication number: 20240065969
    Abstract: Described herein are topical cream formulations that include a C7-20 alkane, a metal chelating agent, and a buffer.
    Type: Application
    Filed: July 26, 2023
    Publication date: February 29, 2024
    Inventors: Xiaojun Michael Liu, James Shiah, Tomas Navratil, Gabriella Szekely
  • Patent number: 11872213
    Abstract: Described herein are formulations including pharmaceutical agents comprising ester and/or lactone ring structures, and methods of using the same. The invention is also directed to a method and ophthalmic pharmaceutical compositions including solution and semisolid dosage forms (i.e. ophthalmic creams, gels, lotions, serums, and/or ointments) of treating a patient with various ocular diseases including presbyopia and dry eyes. The method comprising instructing a patient to apply one strip of the ophthalmic composition to the eyelids that includes pilocarpine or other active pharmaceutical ingredients containing ester and/or lactone ring structures with and without the buffering system.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: January 16, 2024
    Assignee: Glaukos Corporation
    Inventors: Xiaojun Michael Liu, James Jane-Guo Shiah, Gabriella Szekely
  • Publication number: 20230381145
    Abstract: An ophthalmic therapeutic treatment composition includes a topical cream containing a crosslinked acrylic acid polymer, an acrylamide/sodium acryloyldimethyl taurate copolymer, and an effective amount of an active pharmaceutical ingredient (API) dispersed in the topical cream. The ophthalmic therapeutic treatment composition and API are formulated for topical application and treatment of various disorders such as dry eye, presbyopia, intraocular pressure and blepharitis.
    Type: Application
    Filed: April 20, 2023
    Publication date: November 30, 2023
    Inventors: James Jane-Guo Shiah, Xiaojun Michael Liu, Gabriella Szekely
  • Publication number: 20230372303
    Abstract: An ophthalmic topical cream composition includes a topical cream comprising at least one zwitterion; and an active pharmaceutical ingredient (API) dispersed in the topical cream. The ophthalmic topical cream composition and API are formulated for topical application and treatment of various disorders such as dry eye, presbyopia, intraocular pressure and blepharitis.
    Type: Application
    Filed: May 17, 2023
    Publication date: November 23, 2023
    Inventors: Xiaojun Michael Liu, James Jane-Guo Shiah, Gabriella Szekely
  • Publication number: 20220233506
    Abstract: Described herein are formulations including pharmaceutical agents comprising ester and/or lactone ring structures, and methods of using the same. The invention is also directed to a method and ophthalmic pharmaceutical compositions including solution and semisolid dosage forms (i.e. ophthalmic creams, gels, lotions, serums, and/or ointments) of treating a patient with various ocular diseases including presbyopia and dry eyes. The method comprising instructing a patient to apply one strip of the ophthalmic composition to the eyelids that includes pilocarpine or other active pharmaceutical ingredients containing ester and/or lactone ring structures with and without the buffering system.
    Type: Application
    Filed: January 28, 2022
    Publication date: July 28, 2022
    Inventors: Xiaojun Michael Liu, James Jane-Guo Shiah, Gabriella Szekely
  • Patent number: 9279095
    Abstract: A poly(nitrogen/amine) derivative of a natural wax of formula I, and ophthalmic compositions and contact lens care solutions that contain the poly(nitrogen/amine) derivative of a natural wax of formula I. The invention is also directed to a method of treating a patient with dry eyes, the method comprising instructing a patient to administer one or more eye drops of the ophthalmic composition that includes a poly(nitrogen/amine) derivative of a natural wax of formula I.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: March 8, 2016
    Assignee: Bausch & Lomb Incorporated
    Inventors: Xiaojun Michael Liu, Krista Fridman, Erning Xia
  • Publication number: 20140206764
    Abstract: A poly(nitrogen/amine) derivative of a natural wax of formula I, and ophthalmic compositions and contact lens care solutions that contain the poly(nitrogen/amine) derivative of a natural wax of formula I. The invention is also directed to a method of treating a patient with dry eyes, the method comprising instructing a patient to administer one or more eye drops of the ophthalmic composition that includes a poly(nitrogen/amine) derivative of a natural wax of formula I.
    Type: Application
    Filed: January 23, 2014
    Publication date: July 24, 2014
    Applicant: BAUSCH & LOMB INCORPORATED
    Inventors: Xiaojun Michael Liu, Krista Fridman, Erning Xia
  • Patent number: 6956087
    Abstract: A process for producing polysiloxane prepolymers of improved homogeneity for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric compositions so produced are useful in the production of ophthalmic devices such as for example intraocular lenses and corneal inlays.
    Type: Grant
    Filed: December 13, 2002
    Date of Patent: October 18, 2005
    Assignee: Bausch & Lomb Incorporated
    Inventors: Yu-Chin Lai, Edmond T. Quinn, Xiaojun Michael Liu, Edmund P. Maziarz, III
  • Publication number: 20040116593
    Abstract: A process for producing polysiloxane prepolymers of improved homogeneity for use in the production of relatively high refractive index polymeric compositions is described herein. Polymeric compositions so produced are useful in the production of ophthalmic devices such as for example intraocular lenses and corneal inlays.
    Type: Application
    Filed: December 13, 2002
    Publication date: June 17, 2004
    Inventors: Yu-Chin Lai, Edmond T. Quinn, Xiaojun Michael Liu, Edmund P. Maziarz