Patents by Inventor Johnson Yiu-Nam Lau

Johnson Yiu-Nam Lau 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: 20240139364
    Abstract: A cleaning and disinfection system. More particularly, aspects of the invention relate to a system and method for enhancing the Environment, Social, Governance of a company through autonomous cleaning and disinfection mobile robots. In particular, cleaning, disinfecting and sterilizing public space in mass transportation, for example railway system, by using the autonomous cleaning and disinfection mobile robot.
    Type: Application
    Filed: March 2, 2022
    Publication date: May 2, 2024
    Applicant: AVALON STERITECH LIMITED
    Inventors: Wai Hong HO, Johnson Yiu-Nam LAU, Kar Yun LEE
  • Patent number: 11963942
    Abstract: A pharmaceutical composition comprises a taxane (e.g., paclitaxel, docetaxel, cabazitaxel, larotaxel, ortataxel, and/or tesetaxel) in a mixture of first and second surfactants. The absorption of the taxane is increased from the pharmaceutical composition is greater than the sum of the absorption of docetaxel from either the first or the second surfactant. The increase in absorption is especially enhanced when the ratio of the first surfactant to the second surfactant in the pharmaceutical composition is between 60:40 and 85:15 by weight, and the total surfactant weight does not exceed 98% of the total weight. Polysorbate 80, polysorbate 20, and caprylocaproyl polyoxylglycerides serve as suitable first surfactants, and polysorbate 80 or polyethyoxylated castor oil serve as suitable second surfactants. The stability of the pharmaceutical composition may be enhanced by further including a stabilizer (e.g., citric acid and/or ascorbic acid).
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: April 23, 2024
    Assignee: Health Hope Pharma Ltd
    Inventors: Denise S. B. Chan, Ming Tsung Lee, Weng Li Yoon, Johnson Yiu-Nam Lau
  • Publication number: 20240116904
    Abstract: HM30181 (shown below) can be used to improve absorption of cancer chemotherapy drugs, such as paclitaxel. Herein are described various polymorphisms of HM30181, in particular polymorphisms B, D, E, F, G, H, I, J, K, L, and M as well as their physical properties and methods for their preparation and characterization.
    Type: Application
    Filed: April 19, 2023
    Publication date: April 11, 2024
    Inventors: Sameer URGAONKAR, Michael P. SMOLINSKI, Johnson Yiu-Nam LAU
  • Patent number: 11931417
    Abstract: Methods are provided for producing a PEGylated interleukin 11 (IL-11) by treating a recombinant IL-11 PEGylated with an equimolar to low molar excess of PEG carrying an amine-reactive group to achieve a highly pure monoconjugate preparation, which provides improved half-life in serum while having desirable therapeutic activity and presenting fewer side-effects. Most preferably, the IL-11 is an N-terminally truncated human or humanized IL-11 and has a 20 Kd or 40 Kd branched PEG moiety, Y- or comb-shaped in particular, coupled to the N-terminal amino group. Such compounds are characterized by substantially increased stability in serum and sustained biological activity while exhibiting significantly reduced plasma expansion.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: March 19, 2024
    Assignee: Nansha Biologics (Hong Kong) Limited
    Inventors: Kuo-Ming Yu, Qui-Lim Choo, Manson Fok, Johnson Yiu-Nam Lau
  • Patent number: 11898180
    Abstract: Compositions and methods for the preparation of high purity arginase and high efficiency preparation of monosubstituted polyethylene glycol conjugation of arginase are provided, as are methods for using arginase in combination with asparaginase to inhibit cancer cells. High purity arginase is provided by applying an initial high temperature precipitation step, followed by ion exchange to provide arginase at a purity of 90% or greater. Conjugation with either linear or branched polyethylene glycol is performed using a maleimide-derivatized polyethylene glycol at low molar excess relative to arginase and at reduced temperature. Such polyethylene glycol-derivatized arginase is useful in combination with asparaginase in inhibiting the growth of cancer cells, particularly cells that have low endogenous asparaginase expression.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: February 13, 2024
    Assignee: Avalon Polytom (HK) Limited
    Inventors: Johnson Yiu-Nam Lau, Yun Chung Leung, Kuo-Ming Yu, Yuk-Keung Yeung, Pui Shi Pang, Qui-Lim Choo
  • Patent number: 11826425
    Abstract: Enteroviruses, such as EV-A71, have been found to utilize hWARS as a cell surface receptor, with expression ofhWARS rendering cells susceptible to enteroviral infection. Reduction in hWARS cell surface activity reduces susceptibility to enteroviral infection and provides a mode for treatment or prevention of enteroviral infection and its sequelae. Similarly, expression of hWARS in cultured cells and animal models provides models for understanding enteroviral disease mechanisms and the development of vaccines and/or pharmaceuticals for preventing or treating enteroviral disease.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: November 28, 2023
    Assignee: VERSITECH LIMITED
    Inventors: Philip Man Lung Yeung, Fuk Woo Jasper Chan, Manson Fok, Johnson Yiu-Nam Lau, Kwok-Yung Yuen
  • Publication number: 20230321246
    Abstract: Methods for improving bioavailability and solubility of taxanes provided as solids in compressed tablet form are described. Compressed tablets containing a high proportion of a taxane are prepared using an amorphous solid dispersion in combination with a polymer carrier and a surfactant. Oral bioavailability of taxanes following ingestion is high, and supersaturating concentrations of the taxane are maintained in gastric fluids for an extended period of time.
    Type: Application
    Filed: May 22, 2023
    Publication date: October 12, 2023
    Inventors: Weng Li YOON, Ming Tsung LEE, Jiahao LI, Denise So Bik CHAN, Johnson Yiu-Nam LAU
  • Patent number: 11752139
    Abstract: The present disclosure provides pharmaceutical combinations of orally administered irinotecan and a P-gp inhibitor. The pharmaceutical combinations are suitable for the treatment of cancer in a subject and for reducing or preventing toxicity, hypersensitivity-type infusion reactions, and other negative outcomes resulting from or associated with intravenously administered irinotecan (e.g., Camptosar®) therapy in a subject suffering from cancer.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: September 12, 2023
    Assignee: Athenex HK Innovative Limited
    Inventors: Min-Fun Rudolf Kwan, E. Douglas Kramer, David Lawrence Cutler, Johnson Yiu-Nam Lau, Wing Kai Chan
  • Patent number: 11752156
    Abstract: Compositions and methods are provided that are effective in treating skin hyperproliferative disorders. These include a topical pharmaceutical preparation that includes a compound that has two or more of a SRC-kinase inhibiting activity, a tubulin polymerization inhibiting activity, an activity that arrests the cell cycle at G2/M, and an activity that induces apoptosis. The compound KX01 is provided as an example of such a compound. The topical pharmaceutical preparation further includes a vitamin D derivative or a retinoid, where the combination provides a synergistic effect. Use of the topical pharmaceutical preparation can be combined with exposure to blue, UVA, or UVB light, which provides a synergistic effect.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: September 12, 2023
    Assignee: Athenex HK Innovative Limited
    Inventors: Johnson Yiu-Nam Lau, Alissa Rae Verone-Boyle, Chun-Ho Wong, Yahao Bu, Murray John Cutler, Krista Elizabeth Belko, Min-Fun Rudolf Kwan
  • Patent number: 11739089
    Abstract: The present disclosure relates to compounds of Formula (IA) and to their prodrugs, pharmaceutically acceptable salts, pharmaceutical compositions, methods of use, and methods for their preparation. The compounds disclosed herein are useful for the treatment of disorders in which P-glycoprotein and/or cytochrome P450 (e.g. CYP3A4) is modulated (e.g., cancers which have developed multi-drug resistance).
    Type: Grant
    Filed: October 7, 2021
    Date of Patent: August 29, 2023
    Assignee: Athenex, Inc.
    Inventors: Sameer Urgaonkar, Ahmed M. Said, Nader N. Nasief Abdel Sayed, Laura Beth Pitzonka, Murray John Cutler, Michael P. Smolinski, Johnson Yiu-Nam Lau
  • Patent number: 11739079
    Abstract: HM30181 (shown below) can be used to improve absorption of cancer chemotherapy drugs, such as paclitaxel. Herein are described various polymorphisms of HM30181, in particular polymorphism C, as well as their physical properties and methods for their preparation and characterization.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: August 29, 2023
    Assignee: ATHENEX R&D. LLC
    Inventors: Sameer Urgaonkar, Michael P. Smolinski, Johnson Yiu-Nam Lau
  • Publication number: 20230181566
    Abstract: The application pertains to pharmaceutical combinations of orally administered paclitaxel and a P-gp inhibitor. The pharmaceutical combinations are suitable for the treatment of an angiosarcoma in a subject and for reducing or preventing toxicity, hypersensitivity-type infusion reactions, and other negative outcomes resulting from or associated with intravenously administered paclitaxel (e.g., Taxol® or paclitaxel formulated with Cremophor®) therapy in a subject suffering from an angiosarcoma.
    Type: Application
    Filed: October 11, 2022
    Publication date: June 15, 2023
    Inventors: Min-Fun Rudolf KWAN, Johnson Yiu-Nam LAU, Wing Kai CHAN, Michael P. SMOLINSKI
  • Publication number: 20230172942
    Abstract: The application pertains to methods of treating and/or preventing actinic keratosis, comprising administering a therapeutically effective amount of KX-01, to a subject in need thereof.
    Type: Application
    Filed: October 11, 2022
    Publication date: June 8, 2023
    Inventors: Min-Fun Rudolf KWAN, Johnson Yiu-Nam LAU, E. Douglas KRAMER, David Lawrence CUTLER, Jane FANG
  • Patent number: 11629367
    Abstract: Recombinant interleukin-11 (rhIL-11) is expressed in yeast, then isolated from aerobic fermentation media by precipitation, solubilization of the precipitate in the presence of a denaturant, and renaturation of the solubilized protein. Renatured rhIL-11 is further purified by cation exchange and hydrophobic interaction chromatography to provide a highly purified rhIL-11 with high biological activity and low rhIL-11 dimer and oxidized rhIL-11 content.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: April 18, 2023
    Assignee: Nansha Biologies (HK) Limited
    Inventors: Qui-Lim Choo, Manson Fok, Johnson Yiu-Nam Lau
  • Publication number: 20230108296
    Abstract: A fully automated microfluidic system (100) for detecting multiple different analytes in a single run comprises: a remote computer system (102), a microfluidic analyzer (300) having an illumination source and a detection module; and a cartridge (200) having a plurality of lightbulbs (224), a sample tank (204) and at least one reagent tank (210), wherein each lightbulb (224) is sealable by the microfluidic analyzer (300).
    Type: Application
    Filed: February 10, 2021
    Publication date: April 6, 2023
    Applicant: EMERGING VIRAL DIAGNOSTICS (HK) LIMITED
    Inventors: YUK LUN TSANG, LOK TING LAU, LUT HEY CHU, JOHNSON YIU--NAM LAU
  • Publication number: 20230083530
    Abstract: A disinfection compartment comprising a plurality of wheels; a casing disposed on the disinfection compartment, at least one tank configured to hold antimicrobial solution or hydrogen peroxide solution, a nozzle/dispenser disposed on the casing, and an attachment member configured to provide a detachably secure attachment to a moving unit, wherein the nozzle/dispenser is an electrostatic sprayer or electrostatic gun.
    Type: Application
    Filed: November 28, 2020
    Publication date: March 16, 2023
    Applicant: AVALON BIOMEDICAL (MANAGEMENT) LIMITED
    Inventors: Johnny Yat Ming Chan, Wai Hong Ho, Johnson Yiu-Nam Lau
  • Publication number: 20230076079
    Abstract: Polymorphs of HM30181, their physical properties, and methods for their preparation are described.
    Type: Application
    Filed: October 28, 2021
    Publication date: March 9, 2023
    Inventors: Sameer URGAONKAR, Michael P. SMOLINSKI, Johnson Yiu-Nam LAU
  • Publication number: 20230046869
    Abstract: The present disclosure provides pharmaceutical combinations of orally administered docetaxel and a P-gp inhibitor. The pharmaceutical combinations are suitable for the treatment of cancer in a subject and for reducing or preventing toxicity, hypersensitivity-type infusion reactions, and other negative outcomes resulting from or associated with intravenously administered docetaxel (e.g., Taxotere® or docetaxel formulated with polysorbate 80) therapy in a subject suffering from cancer.
    Type: Application
    Filed: June 13, 2022
    Publication date: February 16, 2023
    Inventors: Min-Fun Rudolf KWAN, E. Douglas KRAMER, David Lawrence CUTLER, Johnson Yiu-Nam LAU, Wing Kai CHAN
  • Patent number: 11497750
    Abstract: The application pertains to methods of treating and/or preventing actinic keratosis, comprising administering a therapeutically effective amount of KX-01, to a subject in need thereof.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: November 15, 2022
    Assignee: ATNX SPV, LLC
    Inventors: Min-Fun Rudolf Kwan, Johnson Yiu-Nam Lau, E. Douglas Kramer, David Lawrence Cutler, Jane Fang
  • Publication number: 20220305021
    Abstract: The disclosure pertains to methods of treating and/or preventing psoriasis, comprising administering a therapeutically effective amount of KX-01, or a pharmaceutically acceptable salt thereof, to a subject in need thereof.
    Type: Application
    Filed: June 5, 2020
    Publication date: September 29, 2022
    Inventors: Johnson Yiu-Nam LAU, Wing Kai CHAN, Min-Fun Rudolf KWAN