Patents by Inventor Yongfeng Zhang

Yongfeng Zhang 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).

  • Patent number: 11963534
    Abstract: An application of fengycin family lipopeptides in pest control is provided, and Fengycin family lipopeptides are used for pest control, with especially strong killing effects on Homoptera and Coleoptera pests. A method is provided for treating seeds with fengycin to protect seeds and plant organs formed later from pests, so as to protect seeds from pests by coating the fengycin family lipopeptides on the surface of seeds.
    Type: Grant
    Filed: November 18, 2022
    Date of Patent: April 23, 2024
    Assignee: INSTITUTE OF BIOLOGY, HEBEI ACADEMY OF SCIENCES
    Inventors: Hongwei Liu, Caimiao Yao, Yongfeng Liu, Liping Zhang, Yana Wang, Wenya Zhao
  • Patent number: 11946128
    Abstract: A method for desensitizing a metal alloy such as an aluminum (Al) alloy is presented. The surface of the alloy is treated by controlled laser beam irradiation. The scanning laser beam heats the alloy to reach a relative low temperature between a solvus temperature and a soften/annealing temperature of the metal alloy to controllably reduce the degree of sensitization (DOS) of the metal alloy. The locally rapid heating and cooling effects produced by scanning the laser can improve the future sensitization resistance of the metal alloy, reduce the average desensitization temperature applied, and maintain the mechanical properties of Al alloy at the same time.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 2, 2024
    Assignee: NUtech Ventures, Inc.
    Inventors: Yongfeng Lu, Leimin Deng, Chenfei Zhang, Shiding Sun, Lei Liu
  • Patent number: 11943973
    Abstract: Disclosed are a preparation method of a display panel, a display panel and a displaying device. The display panel comprises a plurality of first-color subpixels, and each first-color subpixel comprises a base, the base comprising a first driving electrode and a second driving electrode; a flat layer disposed on the side, near the first driving electrode and the second driving electrode, of the base; a patterned passivation layer and at least one first electrode disposed on the side, away from the base, of the flat layer, the first electrode being connected with the first driving electrode through via holes penetrating the flat layer; and at least one second electrode disposed on the side, away from the base, of the passivation layer, the second electrode being connected with the second driving electrode through via holes penetrating the passivation layer and the flat layer.
    Type: Grant
    Filed: November 11, 2020
    Date of Patent: March 26, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Xue Dong, Zhiqiang Jiao, Lei Zhao, Jiushi Wang
  • Patent number: 11931363
    Abstract: A compound of Formula (I), or a pharmaceutically acceptable salt thereof, is provided that has been shown to be useful for treating a PRC2-mediated disease or disorder: wherein R1, R2, R3, R4, R5, and n are as defined herein.
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: March 19, 2024
    Assignee: NOVARTIS AG
    Inventors: Ho Man Chan, Xiang-Ju Justin Gu, Ying Huang, Ling Li, Yuan Mi, Wei Qi, Martin Sendzik, Yongfeng Sun, Long Wang, Zhengtian Yu, Hailong Zhang, Ji Yue (Jeff) Zhang, Man Zhang, Qiong Zhang, Kehao Zhao
  • Patent number: 11912580
    Abstract: The invention discloses nano magnesium hydride and an in-situ preparation method thereof, including disposing and stirring magnesium chloride and lithium hydride in an organic solvent under a protection of an inert atmosphere, so as to obtain an organic suspension of a mixture; performing an ultrasonic treatment to the organic suspension, so as to promote a chemical reaction of the mixture. After the reaction is completed, the suspension is filtered; the solid reaction product is washed, centrifuged and dried to remove residual organic matter, so as to obtain nano-magnesium hydride.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: February 27, 2024
    Assignee: ZHEJIANG UNIVERSITY
    Inventors: Yongfeng Liu, Xin Zhang, Hongge Pan, Mingxia Gao
  • Publication number: 20230369539
    Abstract: Provided are a display panel and a manufacturing method therefor, and a display device. The display panel, including: a base substrate; and a plurality of sub-pixels, located on the base substrate, including a pixel circuit and a light-emitting element, wherein the light-emitting element is connected to the pixel circuit, the pixel circuit is configured to drive the light-emitting element; the light-emitting element includes: a first electrode; and a second electrode, electrically connected to the first electrode, the first electrode is closer to the base substrate than the second electrode.
    Type: Application
    Filed: March 11, 2022
    Publication date: November 16, 2023
    Applicants: BOE Technology Group Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Yongfeng Zhang, Guangcai Yuan, Xue Dong
  • Publication number: 20230271770
    Abstract: The present disclosure generally pertains to a medical device and more particularly, a metered-dose inhaler (“MDI”) actuator capable of a targeted delivery of fine API particles having particle diameters of about 1.1 ?m or less to a portion of a patient's lungs where alveoli are located.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 31, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Ying Wang, Yi Xia, Jie Fei Ding, Selina Su, Qingxia Han
  • Publication number: 20230256099
    Abstract: The present disclosure introduces safe and effective pharmaceutical formulations for intranasal delivery. Specifically, the present disclosure introduces the safe clinical use of bile acids or salts thereof as an enhancer to exhibit improved bioavailability and tissue tolerance. In several embodiments, pharmaceutical formulations including bile acids or salts thereof are provided. In several embodiments, the formulations are suitable and/or configured for the intranasal (IN) delivery, methods of manufacturing such formulations, and methods of treating patients using such formulations. The pharmaceutical formulations comprising bile acids, salts of bile acids, and/or combinations thereof. In several embodiments, bile acids, salts of bile acids, and/or combinations thereof are configured for use as absorption enhancers.
    Type: Application
    Filed: May 3, 2021
    Publication date: August 17, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Lou, Jie Fei Ding, Aili Bo
  • Patent number: 11726049
    Abstract: The present disclosure introduces methods for characterizing iron core carbohydrate colloid drug products, such as iron sucrose drug products. Disclosed methods enable the characterization of the iron core size of the iron core nanoparticles in iron carbohydrates as they exist in the formulation in solution, such as e.g. iron sucrose drug products, and more particularly, the average particle diameter size and size distribution(s) of the iron core nanoparticles. The disclosed methods apply small-angle X-ray scattering (SAXS) in parallel beam transmission geometry, with a sample mounted inside a capillary and centered in the X-ray beam, to iron carbohydrates, such as iron sucrose, in solution without the need to modify the sample, such as to remove unbound carbohydrates, dilute, or dry the sample, to accurately characterize the average iron core particle diameter size of the iron core nanoparticles.
    Type: Grant
    Filed: May 4, 2021
    Date of Patent: August 15, 2023
    Assignee: Amphastar Pharmaceuticals, Inc.
    Inventors: Jack Yongfeng Zhang, Mary Zi-Ping Luo, Thang Kien Chiu, Anthony Marrs, Selina Su
  • Patent number: 11703693
    Abstract: The present disclosure relates to an array substrate, a manufacturing method thereof, a three-dimensional display panel, and a display device. The array substrate includes a plurality of sub-pixels arranged in an array. Each sub-pixel includes a first composite region and a second composite region alternately arranged, as well as a substrate; a partition portion formed in the second composite region; a pixel electrode including a first composite electrode formed in the first composite region and a second composite electrode formed on the partition portion; an organic light emitting layer formed on a side of the pixel electrode away from the substrate; a pixel defining layer formed on the substrate provided around the organic light emitting layer; a common electrode having a polarity opposite to the pixel electrode formed on a side of organic light emitting layer away from the substrate; and a packaging layer.
    Type: Grant
    Filed: April 28, 2020
    Date of Patent: July 18, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Xiaohu Li, Huajie Yan, Qingyu Huang, Yongfeng Zhang, Xiaoyun Liu, Zhiqiang Jiao
  • Publication number: 20230181500
    Abstract: The present disclosure introduces intranasal (IN) pharmaceutical formulations having naloxone or an opioid antagonist as the active agent, and an absorption enhancer, such as a bile acid, or a salt thereof, for IN delivery. The bile acid, or salt thereof, enhances absorption of naloxone or an opioid antagonist into the bloodstream of a human subject.
    Type: Application
    Filed: May 3, 2021
    Publication date: June 15, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Jie Fei Ding, Aili Bo, Jiewen Zhu
  • Publication number: 20230140033
    Abstract: Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg/mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg/mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg/mL sodium citrate dihydrate, 3.3 mg/mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg/mL of sodium metabisulfite, and 4 ?g/mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg/mL of epinephrine and other ingredients.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Fonda Su, Marvin Lin, Jie Fei Ding, Justin Jun Wei, Wenbo Yu, Rong Zhou
  • Publication number: 20230137790
    Abstract: Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg/mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg/mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg/mL sodium citrate dihydrate, 3.3 mg/mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg/mL of sodium metabisulfite, and 4 ?g/mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg/mL of epinephrine and other ingredients.
    Type: Application
    Filed: October 28, 2022
    Publication date: May 4, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Fonda Su, Marvin Lin, Jie Fei Ding, Justin Jun Wei, Wenbo Yu, Rong Zhou
  • Publication number: 20230119833
    Abstract: The present disclosure provides NMR relaxation methods for characterizing iron carbohydrate drug products. The methods measure 13C and 1H nuclei relaxation parameters such as T1 and PWHH include performing 2D T1 NMR, 1D 13C NMR and 1H NMR to characterize certain physiochemical properties of iron sucrose drug products, for purposes of assessing bioequivalence between a tested iron sucrose product and a comparator product. The disclosure further provides a novel Fe(III)/Fe(II) reduction method using a new reducing agent Na2S2O5 and an 1H NMR method to monitor the Fe(III)/Fe(II) reduction process.
    Type: Application
    Filed: May 4, 2021
    Publication date: April 20, 2023
    Inventors: Jack Yongfeng ZHANG, Mary Zi-Ping LUO, Jie Fei DING, Justin Jun WEI, Richard BAO
  • Publication number: 20230124114
    Abstract: The present disclosure introduces methods for characterizing iron core carbohydrate colloid drug products, such as iron sucrose drug products. Disclosed methods enable the characterization of the iron core size of the iron core nanoparticles in iron carbohydrates as they exist in the formulation in solution, such as e.g. iron sucrose drug products, and more particularly, the average particle diameter size and size distribution(s) of the iron core nanoparticles. The disclosed methods apply small-angle X-ray scattering (SAXS) in parallel beam transmission geometry, with a sample mounted inside a capillary and centered in the X-ray beam, to iron carbohydrates, such as iron sucrose, in solution without the need to modify the sample, such as to remove unbound carbohydrates, dilute, or dry the sample, to accurately characterize the average iron core particle diameter size of the iron core nanoparticles.
    Type: Application
    Filed: May 4, 2021
    Publication date: April 20, 2023
    Inventors: Jack Yongfeng ZHANG, Mary Zi-Ping LUO, Thang Kien CHIU, Anthony MARRS, Selina SU
  • Publication number: 20230076626
    Abstract: Disclosed herein are pharmaceutical formulations including epinephrine that have increased epinephrine retention over long-term storage, e.g., 30-months. In one aspect, a formulation includes: one or more of 0.1 mg/mL of epinephrine or a pharmaceutically acceptable salt thereof provided without any overage, a tonicity regulating agent including 8.2 mg/mL of sodium chloride, a pH adjusting agent including a mixture of 1.5 mg/mL sodium citrate dihydrate, 3.3 mg/mL of citric acid monohydrate, and, optionally, an as-needed amount of sodium hydroxide to maintain the pH level of the formulation within a range of 3.6 to 4.0, 0.075 mg/mL of sodium metabisulfite, and 4 ?g/mL of ethylene diamine tetra-acetate disodium. The formulation has an API recovery of 94.5% or more after at least 30 months of storage at long-term storage conditions defined as 25° C.±2° C. at 1 atmosphere. In addition, in another aspect, a formulation includes 1 mg/mL of epinephrine and other ingredients.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 9, 2023
    Inventors: Jack Yongfeng Zhang, Mary Zi-ping Luo, Fonda SU, Marvin Lin, Jie Fei Ding, Justin Jun Wei, Wenbo Yu, Rong Zhou
  • Publication number: 20220416195
    Abstract: Disclosed in embodiments of the present disclosure are a display panel, a manufacturing method therefor, and a display apparatus. The display panel includes a substrate, the substrate has a plurality of sub-pixel units; each sub-pixel unit includes at least two first electrodes which are independently arranged in the same layer; each first electrode includes at least two conductive layers which are arranged in a stacked manner; an edge of a top conductive layer that is away from the substrate exceeds an edge of a bottom conductive layer; the orthographic projection of the bottom conductive layer on the substrate falls within the range of the orthographic projection of the top conductive layer on the substrate; and a portion of the edge of the top conductive layer exceeding the edge of the bottom conductive layer extends towards one side of the substrate to constitute a sloping surface.
    Type: Application
    Filed: May 7, 2021
    Publication date: December 29, 2022
    Inventors: Yongfeng ZHANG, Rui HUANG, Zhiwei LIANG, Huajie YAN
  • Patent number: 11524987
    Abstract: Methods are disclosed for producing highly purified recombinant human insulin (RHI) having a purity of 99.0% (w/w) or greater, a Total Impurity (not including the related substance desamido AsnA21-RHI, as specified by USP) of 0.8% (w/w) or less, and an impurity C of 0.1% (w/w) or less. Also disclosed are API compositions of highly purified RHI having a purity of 99.0% (w/w) or greater, a Total Impurity of 0.8% (w/w) or less, and an impurity C of 0.1% (w/w) or less.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: December 13, 2022
    Assignee: AMPHASTAR PHARMACEUTICALS, INC.
    Inventors: Jie Fei Ding, Aili Bo, Jack Yongfeng Zhang, Mary Zi-ping Luo, Zhongli Bao
  • Patent number: 11446360
    Abstract: A high-purity inhalable insulin material, used for preparing a pulmonary pharmaceutical product, includes insulin particles having a particle size at the micrometer level and having the following characteristics: (i) the purity of insulin is not less than 96% on the dried basis; (ii) the total amount of insulin-related impurities is not more than 2%; (iii) the total amount of solvent impurities, which is not a co-solvent formulation component for a pulmonary product, is not more than 0.03%; and (iv) the total amount of non-solvent impurities is not more than 0.3%. Up to 99% by volume of the insulin particles in the inhalable insulin have a particle size of less than 5 ?m, based on the total volume of the insulin particles. A high-efficiency method prepares high-purity inhalable insulin material. The yield rate for the high-efficiency method is 75 to 85% or more.
    Type: Grant
    Filed: August 28, 2019
    Date of Patent: September 20, 2022
    Assignee: AMPHASTAR PHARMACEUTCALS, INC.
    Inventors: Jeffrey Ding, Aili Bo, Mary Ziping Luo, Jack Yongfeng Zhang
  • Patent number: D1008192
    Type: Grant
    Filed: September 26, 2023
    Date of Patent: December 19, 2023
    Assignee: Shenzhen Dongshengxiang Technology Co., Ltd
    Inventor: Yongfeng Zhang