Patents by Inventor Xiaoxia Chen

Xiaoxia 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: 20260125393
    Abstract: Provided are salts of (S)-(4,5-dihydro-7H-thieno[2,3-c]pyran-7-yl)-N-methylmethanamine and various of crystal forms thereof, and compositions, medicaments, pharmaceutically acceptable formulations thereof, and methods of making same. In addition, provided are compounds comprising specific particle size distributions of crystalline (S)-(4,5-dihydro-7H-thieno[2,3-c]pyran-7-yl)-N-methylmethanamine HCl and methods of making and modulating the particle size distributions.
    Type: Application
    Filed: July 2, 2025
    Publication date: May 7, 2026
    Applicant: Sumitomo Pharma America, Inc.
    Inventors: Andrea BAUER, Nandkumar Nivritti BHOGLE, Xiaoxia CHEN, Shahla JAMZAD, Robert Joseph PRYTKO, Kostas SARANTEAS, Michael Joseph SIZENSKY, Harold Scott WILKINSON, Haitao ZHANG
  • Publication number: 20250270231
    Abstract: This disclosure provides improved methods of manufacturing ulotaront HCl, for reducing impurities in ulotaront HCl, and for processing ulotaront HCl into finished dosage forms.
    Type: Application
    Filed: February 21, 2025
    Publication date: August 28, 2025
    Applicant: Sumitomo Pharma America, Inc.
    Inventors: Xiaoxia CHEN, Shahla JAMZAD, John SNOONIAN, Noreen ZAMAN, Haitao ZHANG
  • Publication number: 20250273691
    Abstract: A current collector with a coating, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. The coating includes at least a surface modification layer. The coating is formed on at least one side of the current collector. A thickness of the surface modification layer is 100 nm to 10 ?m. The coating formed on at least one side of the current collector can effectively block direct contact between a negative electrode metal and an electrolyte solution constituent, thereby reducing side reactions between the negative electrode metal and the electrolyte solution, significantly reducing gas generated by the battery during cycling, and improving the cycle performance and safety of the battery.
    Type: Application
    Filed: May 15, 2025
    Publication date: August 28, 2025
    Inventors: Ben Liu, Chuying Ouyang, Xinxin Zhang, Bingkun Guo, Xiaolong Li, Shikang Yao, Xiaoxia Chen, Shigang Chen, Jiadian Lan, Wenguang Lin
  • Publication number: 20250273693
    Abstract: This application provides a current collector with a coating, a secondary battery, a battery module, a battery pack, and an electrical device. The coating includes at least a surface modification layer. The coating is formed on at least one side of the current collector. A thickness of the surface modification layer is not greater than 50 nm. The coating formed on at least one side of the current collector can effectively block direct contact between a negative electrode metal and an electrolyte solution constituent, thereby reducing side reactions between the negative electrode metal and the electrolyte solution, significantly reducing gas generated by the battery during a long period of cycling, and improving the cycle performance and safety of the battery.
    Type: Application
    Filed: May 16, 2025
    Publication date: August 28, 2025
    Inventors: Ben Liu, Chuying Ouyang, Xinxin Zhang, Bingkun Guo, Xiaolong Li, Shikang Yao, Shigang Chen, Xiaoxia Chen, Jiadian Lan, Wenguang Lin
  • Publication number: 20250239611
    Abstract: This application proposes a secondary battery and an electric apparatus containing the same. The secondary battery includes a negative electrode plate. The negative electrode plate includes a negative electrode current collector and a negative electrode film layer provided on at least one surface of the negative electrode current collector. The negative electrode film layer includes a negative electrode active material, and the negative electrode active material includes a carbon-based material. In the negative electrode active material, a volume percentage of a first carbon-based material with a particle size less than or equal to 2 ?m is greater than or equal to 15%. The secondary battery has excellent initial coulombic efficiency and cycling performance.
    Type: Application
    Filed: April 10, 2025
    Publication date: July 24, 2025
    Inventors: Yu Ma, Xinxin Zhang, Xiaoxia Chen, Chuying Ouyang, Weiming Cheng, Shikun Liu
  • Publication number: 20250096267
    Abstract: The present application provides a carbonaceous material and a preparation method therefor, and a secondary battery and an electrical device comprising the same. The carbonaceous material has 0.13?A/B?0.50, wherein A represents a mass of water vapor adsorbed on the carbonaceous material after a water vapor adsorption test by placing the carbonaceous material under constant temperature and humidity conditions of 25° C. and 100% RH for 100 h, and B represents an initial mass of the carbonaceous material. The present application can simultaneously improve the capacity and initial coulombic efficiency of the carbonaceous material.
    Type: Application
    Filed: November 28, 2024
    Publication date: March 20, 2025
    Inventors: Xiaoxia Chen, Xinxin Zhang, Yu Ma, Chuying Ouyang, Xiaoji Zheng, Xiaolong Li, Wenguang Lin, Shangdong Chen
  • Publication number: 20250066199
    Abstract: A carbonaceous material contains element O, where the content of element O of the carbonaceous material tested by X-ray photoelectron spectroscopy is denoted as A, the content of element O of the carbonaceous material tested by elemental analysis is denoted as B, and the carbonaceous material satisfies A/B?3 and 5 wt %?A?20 wt %.
    Type: Application
    Filed: November 13, 2024
    Publication date: February 27, 2025
    Inventors: Xiaoxia CHEN, Yu MA, Xinxin ZHANG, Chuying OUYANG, Xiaoji ZHENG, Shangdong CHEN, Wenguang LIN
  • Publication number: 20250059044
    Abstract: A carbonaceous material where in the CO2 adsorption test of the carbonaceous material, the total CO2 adsorption at 0° C. and a relative pressure P/P0 between 10?8 and 0.029 is recorded as A, the adsorption time is recorded as B, and the carbonaceous material satisfies: A/B?1.7 cm3/(g×h) STP, where STP is the standard condition, P represents the test pressure of CO2, and P0 represents the saturated vapor pressure of CO2 at 0° C.
    Type: Application
    Filed: October 31, 2024
    Publication date: February 20, 2025
    Inventors: Xiaoxia CHEN, Xinxin ZHANG, Chuying OUYANG, Yu MA, Xiaolong LI, Xiaoji ZHENG, Wenguang LIN, Shangdong CHEN
  • Publication number: 20250059045
    Abstract: A carbonaceous material has an adsorption velocity v that satisfies 0.015?v?0.050 when subjected to an adsorption test using water vapor at a constant temperature and humidity of 25° C. and 40% RH. The water vapor adsorption test is performed under the following conditions: in a constant temperature and humidity chamber at 25° C. and 40% RH, the carbonaceous material with a mass of m1 is placed in a container, and a water vapor adsorption mass m2 and a water vapor adsorption time t are recorded when the water vapor adsorption of the carbonaceous material reaches equilibrium, and the water vapor adsorption velocity is v=m2/(m1×t), where mi is measured in g, m2 is measured in g, and t is measured in h.
    Type: Application
    Filed: November 8, 2024
    Publication date: February 20, 2025
    Inventors: Yu MA, Xinxin ZHANG, Xiaoxia CHEN, Chuying OUYANG, Wenguang LIN, Shangdong CHEN, Weiming CHENG, Xiaoji ZHENG
  • Publication number: 20240425516
    Abstract: Provided are salts of (S)-(4,5-dihydro-7H-thieno[2,3-c]pyran-7-yl)-N-methylmethanamine and various of crystal forms thereof, and compositions, medicaments, pharmaceutically acceptable formulations thereof, and methods of making same. In addition, provided are compounds comprising specific particle size distributions of crystalline (S)-(4,5-dihydro-7H-thieno[2,3-c]pyran-7-yl)-N-methylmethanamine HCl and methods of making and modulating the particle size distributions.
    Type: Application
    Filed: April 16, 2024
    Publication date: December 26, 2024
    Applicant: Sumitomo Pharma America, Inc.
    Inventors: Andrea BAUER, Nandkumar Nivritti BHOGLE, Xiaoxia CHEN, Shahla JAMZAD, Robert Joseph PRYTKO, Kostas SARANTEAS, Michael Joseph SIZENSKY, Harold Scott WILKINSON, Haitao ZHANG
  • Patent number: 12126023
    Abstract: A hard carbon. A total quantity of adsorbed nitrogen under a relative pressure P/P0 of nitrogen between 10?8 and 0.035 is V1 cm3 (STP)/g and a total quantity of adsorbed nitrogen under a relative pressure P/Po of nitrogen between 0.035 and 1 is V2 cm3 (STP)/g in a nitrogen adsorption isotherm determined at a temperature of 77 K for the hard carbon. The hard carbon satisfies: V2/V1?0.20 and 20?V1?150, where P represents an actual pressure of nitrogen, and P0 represents a saturated vapor pressure of nitrogen at a temperature of 77 K.
    Type: Grant
    Filed: September 18, 2023
    Date of Patent: October 22, 2024
    Assignee: CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) LIMITED
    Inventors: Xiaoxia Chen, Xinxin Zhang, Chuying Ouyang, Yongsheng Guo, Jiarui Tian, Yu Ma, Ben Liu, Xiaoji Zheng
  • Publication number: 20240182307
    Abstract: The present application provides a hard carbon, a method for preparing the same, a secondary battery comprising the same, and an electrical apparatus comprising the same, where an amount of generated CO2 is detected in thermal programmed desorption-mass spectrum (TPD-MS) to be less than or equal to 1.0 mmoL/g and an amount of generated CO is detected in thermal programmed desorption-mass spectrum to be less than or equal to 2.0 mmoL/g, when the hard carbon is heated from 50° C. to 1,050° C. The present application can improve both the capacity and the first coulomb efficiency of the hard carbon.
    Type: Application
    Filed: January 8, 2024
    Publication date: June 6, 2024
    Inventors: Xiaoxia Chen, Xinxin Zhang, Chuying Ouyang, Yongsheng Guo, Jiarui Tian, Xiaoji Zheng, Yu Ma, Ben Liu
  • Patent number: 11987591
    Abstract: Provided are salts of (S)-(4,5-dihydro-7H-thieno[2,3-c]pyran-7-yl)-N-methylmethanamine and various of crystal forms thereof, and compositions, medicaments, pharmaceutically acceptable formulations thereof, and methods of making same. In addition, provided are compounds comprising specific particle size distributions of crystalline (S)-(4,5-dihydro-7H-thieno[2,3-c]pyran-7-yl)-N-methylmethanamine HCl and methods of making and modulating the particle size distributions.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: May 21, 2024
    Assignee: Sumitomo Pharma America, Inc.
    Inventors: Andrea Bauer, Nandkumar Nivritti Bhogle, Xiaoxia Chen, Shahla Jamzad, Robert Joseph Prytko, Kostas Saranteas, Michael Joseph Sizensky, Harold Scott Wilkinson, Haitao Zhang
  • Publication number: 20240145712
    Abstract: A carbon material includes a porous carbon substrate and an amorphous carbon layer provided on at least part of a surface of the porous carbon substrate.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Yu MA, Xiaoxia CHEN, Xiaoji ZHENG
  • Patent number: 11942577
    Abstract: An optical device includes an LED chip, a light absorber and/or visible-light luminescent material, and a near-infrared luminescent material, wherein a luminous power of light emitted by the near-infrared luminescent material and the light absorber and/or visible-light luminescent material in a band of 650-1000 nm under the excitation of the LED chip is A, and a sum of a luminous power of light emitted by the near-infrared and visible-light luminescent materials in a band of 350-650 nm under the excitation of the LED chip and a luminous power of residual light emitted by the LED chip in the band of 350-650 nm after the LED chip excites the near-infrared and visible-light luminescent materials is B, with B/A*100% being 0.1%-10%. According to the implementation where the optical device employs the LED chip to combine the near-infrared luminescent material and the light absorber and/or visible-light luminescent material simultaneously.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: March 26, 2024
    Assignee: GRIREM ADVANCED MATERIALS CO., LTD.
    Inventors: Ronghui Liu, Yuanhong Liu, Yanfeng Li, Xiaoxia Chen, Xiaole Ma, Yuan Xue
  • Patent number: 11932790
    Abstract: Disclosed are a red light and near-infrared light-emitting material and a preparation method thereof, and a light-emitting device including the light-emitting material. The red light and near-infrared light-emitting material contains a compound represented by a molecular formula, aSc2O3·Ga2O3·bR2O3, wherein the element R includes one or two of Cr, Ni, Fe, Yb, Nd or Er; 0.001?a?0.6; and 0.001?b?0.1. The light-emitting material can be excited by a spectrum having a wide wavelength range (ultraviolet light or purple light or blue light) to emit light with a wide spectrum of 650 nm to 1700 nm or multiple spectra, thus having higher light-emitting intensity.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: March 19, 2024
    Assignee: GRIREM ADVANCED MATERIALS CO., LTD.
    Inventors: Xiaoxia Chen, Yuanhong Liu, Ronghui Liu, Yuan Xue
  • Patent number: 11932793
    Abstract: The invention relates to a phosphor with garnet structure and a light-emitting device comprising the phosphor, wherein the phosphor includes the following components in percentage by weight: 38.47-45.19% of Y element, 9.49-22.09% of Al element, 2.06-24.31% of Ga element, 27.3-32.04% of O element, 0.43-1.46% of Ce element. In the phosphor particles, the shortest distance from the surface of one side of the particle to the surface of the opposite side through the centroid of the particle is defined as R, the longest distance is R1, and 5 ?m?R?40 ?m; any distance from the particle surface to the centroid is r, and 0<r<½R; and the space with the distance from the particle surface to the centroid direction being less than or equal to r is defined as rinner.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: March 19, 2024
    Assignees: GRIREM ADVANCED MATERIALS CO., LTD., Grirem Hi-Tech Co., Ltd, Rare Earth Functional Materials (Xiong'an) Innovation Center Co., Ltd.
    Inventors: Ronghui Liu, Shaowei Qin, Yuanhong Liu, Yanfeng Li, Xiaoxia Chen, Xiaole Ma, Yuan Xue
  • Patent number: D1018052
    Type: Grant
    Filed: April 7, 2023
    Date of Patent: March 19, 2024
    Inventor: Xiaoxia Chen
  • Patent number: D1060874
    Type: Grant
    Filed: July 3, 2023
    Date of Patent: February 4, 2025
    Inventor: Xiaoxia Chen
  • Patent number: D1077584
    Type: Grant
    Filed: May 26, 2023
    Date of Patent: June 3, 2025
    Inventor: Xiaoxia Chen