Patents by Inventor Yanchun CAO

Yanchun CAO 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).

  • METHOD FOR PREPARING TERT-BUTYL N-((1R,2S,5S)-2-((2-((5-CHLOROPYRIDIN-2-YL)AMINO)-2-OXOACETYL)AMINO)-5-(DIMETHYLCARBAMOYL)CYCLOHEXYL)CARBAMATE
    Publication number: 20240132462
    Abstract: Described herein are novel methods of synthesizing 5-Bromo-2-(3-chloro-pyridin-2-yl)-2H-pyrazole-3-carboxylic acid from pyrazole or pyrazole derivatives.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 25, 2024
    Inventors: Yanchun CAO, Xin LIU, Ning XU, Hao WANG, Zhijian XU
  • Systems and methods for body coil air cooling
    Patent number: 11940512
    Abstract: Methods and systems are provided for cooling hot spots on a body coil assembly of an MRI system. In one embodiment, an airflow guide of a body coil assembly of an MRI system comprises a first surface that forms an air passage when the airflow guide is positioned on the body coil assembly, the air passage enclosed by the first surface and a second, outer surface of an RF coil of the body coil assembly, the airflow guide configured to channel cool air generated by a fan to the second, outer surface of the RF coil. The airflow guide may be arranged circumferentially around a portion of the RF coil at one or more ends of the RF coil. The airflow guide may be manufactured as a plurality of airflow guide segments that are glued together.
    Type: Grant
    Filed: August 18, 2022
    Date of Patent: March 26, 2024
    Assignee: GE PRECISION HEALTHCARE LLC
    Inventors: Yanchun Zheng, Hong Jiang, Kun Wang, Huaiyu Dong, Hailiang Liu, Saban Kurucay, Jian Cao
  • METHODS FOR THE PREPARATION OF 5-BROMO-2-(3-CHLORO-PYRIDIN-2-YL)-2H-PYRAZOLE-3-CARBOXYLIC ACID
    Publication number: 20220396560
    Abstract: Described herein are novel methods of synthesizing 5-Bromo-2-(3-chloro-pyridin-2-yl)-2H-pyrazole-3-carboxylic acid from pyrazole or pyrazole derivatives. Also described herein are novel reaction intermediates.
    Type: Application
    Filed: October 16, 2020
    Publication date: December 15, 2022
    Inventors: Yanchun CAO, Xin LIU, Jianhua MAO, Zhijian XU
  • METHODS FOR THE PREPARATION OF 5-BROMO-2-(3-CHLORO-PYRIDIN-2-YL)-2H-PYRAZOLE-3-CARBOXYLIC ACID
    Publication number: 20220267296
    Abstract: Described herein are novel methods of synthesizing 5-Bromo-2-(3-chloro-pyridin-2-yl)-2H-pyrazole-3-carboxylic acid from pyrazole or pyrazole derivatives. Also described herein are novel reaction intermediates.
    Type: Application
    Filed: October 16, 2020
    Publication date: August 25, 2022
    Inventors: Yanchun CAO, Liang CHEN, Jianhua MAO, Zhijian XU
  • METHODS FOR THE PREPARATION OF 5-BROMO-2-(3-CHLORO-PYRIDIN-2-YL)-2H-PYRAZOLE-3-CARBOXYLIC ACID
    Publication number: 20220259178
    Abstract: Described herein are novel methods of synthesizing 5-Bromo-2-(3-chloro-pyridin-2-yl)-2H-pyrazole-3-carboxylic acid from pyrazole or pyrazole derivatives. Also described herein are novel reaction intermediates.
    Type: Application
    Filed: October 16, 2020
    Publication date: August 18, 2022
    Inventors: Yanchun CAO, Xin LIU, Jianhua MAO, Zhijian XU
  • METHODS FOR THE PREPARATION OF 5-BROMO-2-(3-CHLORO-PYRIDIN-2-YL)-2H-PYRAZOLE-3-CARBOXYLIC ACID
    Publication number: 20220259177
    Abstract: Described herein are novel methods of synthesizing 5-Bromo-2-(3-chloro-pyridin-2-yl)-2H-pyrazole-3-carboxylic acid from pyrazole or pyrazole derivatives. Also described herein are novel reaction intermediates.
    Type: Application
    Filed: October 16, 2020
    Publication date: August 18, 2022
    Inventors: Yanchun CAO, Xin LIU, Jianhua MAO, Zhijian XU