Patents by Inventor Andrew Xian Chen

Andrew Xian Chen 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: 20240009122
    Abstract: A pharmaceutically nanoemulsion formulation of Compound 1 is disclosed along with methods for making the same. An example embodiment of the nanoemulsion of Compound 1 is comprised of lecithin, medium chain triglycerides (MCT), sucrose, EDTA and water.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 11, 2024
    Inventors: Garry R. SMITH, Mohammad Saiful ISLAM, Andrew Xian CHEN, Gary T. ELLIOTT
  • Publication number: 20230414595
    Abstract: An emulsion and use of an emulsion for pain relief comprising a local anesthetic, lecithin, oil and an aqueous phase, wherein the local anesthetic is non-covalent bound to the emulsion oil droplets and the emulsion is physically and chemically stable and the emulsion provides better safety, extended release pharmacokinetics and a prolonged duration of action of the local anesthetic.
    Type: Application
    Filed: September 6, 2023
    Publication date: December 28, 2023
    Applicant: CALI BIOSCIENCES US, LLC
    Inventors: Andrew Xian CHEN, Lijia CHEN, Damian McLOUD
  • Patent number: 11541006
    Abstract: This invention relates to clear one-phase liquid formulation vehicles comprising lecithin, MCT, bile salt and water.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: January 3, 2023
    Inventor: Andrew Xian Chen
  • Publication number: 20220313669
    Abstract: Use of an emulsion for pain relief comprising a local anesthetic, lecithin, oil and an aqueous phase, wherein local anesthetic is non-covalent bound to the emulsion oil droplets and the emulsion is physically and chemically stable and said emulsion provides better safety, extended release pharmacokinetics and a prolonged duration of action of the local anesthetic.
    Type: Application
    Filed: July 7, 2021
    Publication date: October 6, 2022
    Applicant: CALI PHARMACEUTICALS, LLC
    Inventors: Andrew Xian CHEN, Lijia CHEN, Damian MCLOUD
  • Publication number: 20220287996
    Abstract: The present invention features methods and compositions for the intranasal, sublingual, and subcutaneous administration of bumetanide for the treatment of subjects suffering from edema refractory to oral diuretics.
    Type: Application
    Filed: February 25, 2022
    Publication date: September 15, 2022
    Inventors: Balasingam RADHAKRISHNAN, Ben ESQUE, Wei LIN, Andrew Xian CHEN
  • Patent number: 11260038
    Abstract: The present invention features methods and compositions for the intranasal, sublingual, and subcutaneous administration of bumetanide for the treatment of subjects suffering from edema refractory to oral diuretics.
    Type: Grant
    Filed: June 11, 2021
    Date of Patent: March 1, 2022
    Assignee: RESQ Pharmaceuticals LLC
    Inventors: Balasingam Radhakrishnan, Ben Esque, Wei Lin, Andrew Xian Chen
  • Patent number: 11123319
    Abstract: The present invention features methods and compositions for the intranasal, sublingual, and subcutaneous administration of bumetanide for the treatment of subjects suffering from edema refractory to oral diuretics.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: September 21, 2021
    Assignee: RESQ Pharmaceuticals LLC
    Inventors: Balasingam Radhakrishnan, Ben Esque, Wei Lin, Andrew Xian Chen
  • Publication number: 20210169833
    Abstract: The present invention features methods and compositions for the intranasal, sublingual, and subcutaneous administration of bumetanide for the treatment of subjects suffering from edema refractory to oral diuretics.
    Type: Application
    Filed: December 4, 2020
    Publication date: June 10, 2021
    Inventors: Balasingam RADHAKRISHNAN, Ben ESQUE, Wei LIN, Andrew Xian CHEN
  • Publication number: 20210113469
    Abstract: Sustained release spherical or non-spherical pellets comprising (a) an active ingredient (b) a wax-like agent, and (c) a spheronizing agent are provided. Oral dosage forms comprising said pellets and methods for preparing and using such pellets and dosage forms are also provided.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 22, 2021
    Inventors: Andrew Xian Chen, Patricia D. Kigin
  • Patent number: 10888616
    Abstract: This invention relates to ready-to-use and safe solution compositions of glucagon suitable for administration by manual injection or by an insulin pump or other injection device to treat hypoglycemia. Said compositions comprise glucagon, an acid, anti-gelling polyol, a stabilizing-salt, viscosity reducer and an antioxidant, have a final pH between about 2 and 5, and is gel-free, chemically-stable, and pump-able.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: January 12, 2021
    Assignee: LATITUDE PHARMACEUTICALS, INC.
    Inventors: Hailiang Chen, Andrew Xian Chen, Norman Keith Orida
  • Patent number: 10888521
    Abstract: Sustained release spherical or non-spherical pellets comprising (a) an active ingredient (b) a wax-like agent, and (c) a spheronizing agent are provided. Oral dosage forms comprising the pellets and methods for preparing and using such pellets and dosage forms are also provided.
    Type: Grant
    Filed: February 29, 2008
    Date of Patent: January 12, 2021
    Assignee: Farnam Companies, Inc.
    Inventors: Andrew Xian Chen, Patricia D. Kigin
  • Publication number: 20200368159
    Abstract: This invention relates to clear one-phase liquid formulation vehicles comprising lecithin, MCT, bile salt and water.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Inventor: Andrew Xian Chen
  • Patent number: 10668012
    Abstract: Sustained release compositions in tablet or multiparticulate forms comprising (a) an active ingredient, (b) a primary sustain release agent, (c) a wax-like agent, and (d) a bulking or spheronizing agent are provided. The compositions are chewable and/or taste masked. Oral dosage forms comprising such compositions and methods for preparing and using such compositions and dosage forms are also provided.
    Type: Grant
    Filed: September 4, 2009
    Date of Patent: June 2, 2020
    Assignee: Farnam Companies, Inc.
    Inventors: Andrew Xian Chen, Patricia D Kigin, Hai Liang Chen, Jun Fan
  • Patent number: 10376560
    Abstract: This invention relates to aqueous solution compositions of vancomycin that are stable, ready for use and do not require reconstitution.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: August 13, 2019
    Assignee: LATITUDE PHARMACEUTICALS, INC.
    Inventor: Andrew Xian Chen
  • Publication number: 20180236079
    Abstract: This invention relates to ready-to-use and safe solution compositions of glucagon suitable for administration by manual injection or by an insulin pump or other injection device to treat hypoglycemia. Said compositions comprise glucagon, an acid, anti-gelling polyol, a stabilizing-salt, viscosity reducer and an antioxidant, have a final pH between about 2 and 5, and is gel-free, chemically-stable, and pump-able.
    Type: Application
    Filed: February 22, 2018
    Publication date: August 23, 2018
    Applicant: Latitude Pharmaceuticals, Inc.
    Inventors: Hailiang CHEN, Andrew Xian CHEN, Norman Keith ORIDA
  • Patent number: 9968621
    Abstract: Parenteral (injectable) celecoxib emulsions and nanoemulsions are disclosed as are their use to treat pain in patients so afflicted. The emulsions are generally oil in water emulsions often comprised of an oil phase including an oil and a lecithin wherein the mean droplet size of the discontinuous oil phase is about 200 nanometers or less.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: May 15, 2018
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Franklin Okumu, Jan-Jon Chu, Julie Ann Webb, Rafael Anthony Sabino, Andrew Xian Chen
  • Publication number: 20170304396
    Abstract: This invention relates to aqueous solution compositions of vancomycin that are stable, ready for use and do not require reconstitution.
    Type: Application
    Filed: July 13, 2017
    Publication date: October 26, 2017
    Applicant: LATITUDE PHARMACEUTICALS, INC.
    Inventor: ANDREW XIAN CHEN
  • Publication number: 20170246109
    Abstract: The present invention provides a clear depot comprising at least one hydrophilic water-soluble pharmaceutically active agent selected from the group consisting of vancomycin, gentamicin, a pharmaceutically acceptable salt thereof and a mixture thereof, water, a phospholipid, an oil, optionally a pH adjusting agent, and a viscosity modifying agent selected from the group consisting of ethanol, isopropanol, and a mixture thereof, wherein the water present in the depot is no more than about 4 wt % relative to the total weight of the depot and the depot has a pH of between about 3 and about 6, method of making and administering same.
    Type: Application
    Filed: May 15, 2017
    Publication date: August 31, 2017
    Inventors: Hailiang CHEN, Andrew Xian CHEN, Dushyanth SURAKANTI, Franklin OKUMU
  • Publication number: 20170189532
    Abstract: The present invention is directed to compositions and methods of preparation of phospholipid depots that are injectable through a fine needle.
    Type: Application
    Filed: October 28, 2016
    Publication date: July 6, 2017
    Applicant: Latitude Pharmaceuticals Inc.
    Inventors: Andrew Xian Chen, Hailiang Chen
  • Patent number: 9682040
    Abstract: The present invention provides a clear depot comprising at least one hydrophilic water-soluble pharmaceutically active agent selected from the group consisting of vancomycin, gentamicin, a pharmaceutically acceptable salt thereof and a mixture thereof, water, a phospholipid, an oil, optionally a pH adjusting agent, and a viscosity modifying agent selected from the group consisting of ethanol, isopropanol, and a mixture thereof, wherein the water present in the depot is no more than about 4 wt % relative to the total weight of the depot and the depot has a pH of between about 3 and about 6, method of making and administering same.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: June 20, 2017
    Assignee: Dr. Reddy's Laboratories Ltd.
    Inventors: Hailiang Chen, Andrew Xian Chen, Dushyanth Surakanti, Franklin Okumu