Patents by Inventor Xueli Xu

Xueli Xu 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: 11787766
    Abstract: Provided are a compound for the prevention and treatment of diseases associated with PD-L1, a preparation method therefor and use thereof. Specifically, provided are the compound of formula I, the stereoisomer and the racemate thereof, or pharmaceutically acceptable salts thereof, and also provided is an application thereof in the preparation of a drug for the prevention and treatment of diseases associated with PD-L1.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: October 17, 2023
    Assignee: SHANGHAI ENNOVABIO PHARMACEUTICALS CO., LTD.
    Inventors: Lei Jiang, Jianwen Deng, Xiaoli Lu, Ke Shang, Jianyong Shou, Bing Wang, Danyi Wu, Xueli Xu, Yuan Xu, Yi Zhang, Mingwei Zheng
  • Publication number: 20230066737
    Abstract: The present invention provides preparation of a semicarbazide-sensitive amine oxidase inhibitor and use thereof. In particular, disclosed in the present invention are a compound as represented by formula I, or a stereoisomer or a racemate or a pharmaceutically acceptable salt of the compound. Also disclosed in the present invention is that the compound can inhibit semicarbazide-sensitive amine oxidase.
    Type: Application
    Filed: January 25, 2021
    Publication date: March 2, 2023
    Inventors: Shengyang LIU, Jianwen DENG, Zhiyong FENG, Lei JIANG, Zhi QIAO, Ke SHANG, Xiaoping XIE, Xueli XU, Yuan XU, Haixia ZHAO
  • Publication number: 20220081426
    Abstract: Provided are a preparation of semicarbazide-sensitive amine oxidase inhibitor and the use thereof. In particular, disclosed are a compound as shown in formula I, or a stereoisomer or racemate or pharmaceutically acceptable salt thereof. Also disclosed is that the above-mentioned compound can inhibit semicarbazide-sensitive amine oxidase.
    Type: Application
    Filed: September 25, 2019
    Publication date: March 17, 2022
    Inventors: Shengyang LIU, Jianwen DENG, Zhiyong FENG, Lei JIANG, Zhi QIAO, Ke SHANG, Xiaoping XIE, Xueli XU, Yuan XU, Haixia ZHAO
  • Publication number: 20220056023
    Abstract: The present invention discloses the preparation and application of heterocyclic compound having immunoregulatory function. Specifically, the present invention discloses a compound having a structure according to Formula I, wherein the definition of each group is as described in the specification. The invention also provides the use of the compounds in regulating immunity and inhibiting PD-1/PD-L1.
    Type: Application
    Filed: July 31, 2019
    Publication date: February 24, 2022
    Inventors: Yi ZHANG, Jianwen DENG, Zhiyong FENG, Lei JIANG, Xiaoli LU, Ke SHANG, Jianyong SHOU, Bing WANG, Xueli XU, Yuan XU
  • Publication number: 20210347785
    Abstract: Provided are an aromatic compound having immunoregulatory effect, a preparation method thereof, and a use of the same in regulating immune responses or inhibiting PD-1/PD-L1.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 11, 2021
    Inventors: Yi ZHANG, Jianwen DENG, Zhiyong FENG, Lei HUANG, Lei JIANG, Xiaoli LU, Ke SHANG, Jianyong SHOU, Bing WANG, Xueli XU, Yuan XU
  • Publication number: 20200392083
    Abstract: Provided are a compound for the prevention and treatment of diseases associated with PD-L1, a preparation method therefor and use thereof. Specifically, provided are the compound of formula I, the stereoisomer and the racemate thereof, or pharmaceutically acceptable salts thereof, and also provided is an application thereof in the preparation of a drug for the prevention and treatment of diseases associated with PD-Ll.
    Type: Application
    Filed: August 17, 2018
    Publication date: December 17, 2020
    Inventors: Lei JIANG, Jianwen DENG, Xiaoli LU, Ke SHANG, Jianyong SHOU, Bing WANG, Danyi WU, Xueli XU, Yuan XU, Yi ZHANG, Mingwei ZHENG
  • Patent number: 8639176
    Abstract: Disclosed herein is a method of analyzing examinee item response data comprising constructing a diagnosis model for reporting skill profiles of examinees, wherein the diagnosis model comprises at least a variable representing unobserved subpopulations, creating an item design matrix, distributing examinees across the unobserved subpopulations, iteratively estimating values for a plurality of variables within the diagnosis model, and reporting the estimated values to a user.
    Type: Grant
    Filed: September 7, 2007
    Date of Patent: January 28, 2014
    Assignee: Educational Testing System
    Inventors: Matthias Von Davier, Kentaro Yamamoto, Xueli Xu
  • Patent number: 8176914
    Abstract: The present invention relates to an anesthetic absorbing circle, comprising: a first common tube, providing an anesthetic gas mixture; an inspiration branch, connected to the first common tube and delivering the anesthetic gas mixture to a patient end; an expiration branch, connected to the first common tube and sending back the expired gas from the patient end to the first common tube; a second common tube, connected with the inspiration branch and the expiration branch at its first end and connected with the patient end at its second end; and a flow sensor, wherein the flow sensor is disposed in the first common tube. Thus, according to the present invention, the flow sensor can conduct bidirectional monitoring, the flow sensor is remote from patients, and water accumulation at the probe will not appear; in addition, the probe can be easily detached and disinfected at a high temperature, and can be used between adults and children.
    Type: Grant
    Filed: December 27, 2008
    Date of Patent: May 15, 2012
    Assignee: Beijing Aeonmed Co., Ltd.
    Inventors: Hongyu Zhang, Feng Guo, Xueli Xu
  • Patent number: 8005712
    Abstract: Disclosed herein is a method of analyzing large scale survey results comprising obtaining a sparse data set representing a subset of an original data set comprising a plurality of individuals' responses to a plurality of questions, wherein the sparse data set comprises less than ninety percent of the responses in the original data set; analyzing the sparse data set using a general diagnostic model; and obtaining estimated person parameters using the general diagnostic model.
    Type: Grant
    Filed: April 6, 2007
    Date of Patent: August 23, 2011
    Assignee: Educational Testing Service
    Inventors: Matthias von Davier, Xueli Xu, Kentaro Yamamoto
  • Publication number: 20090165785
    Abstract: The present invention relates to an anesthetic absorbing circle, comprising: a first common tube, providing an anesthetic gas mixture; an inspiration branch, connected to the first common tube and delivering the anesthetic gas mixture to a patient end; an expiration branch, connected to the first common tube and sending back the expired gas from the patient end to the first common tube; a second common tube, connected with the inspiration branch and the expiration branch at its first end and connected with the patient end at its second end; and a flow sensor, wherein the flow sensor is disposed in the first common tube. Thus, according to the present invention, the flow sensor can conduct bidirectional monitoring, the flow sensor is remote from patients, and water accumulation at the probe will not appear; in addition, the probe can be easily detached and disinfected at a high temperature, and can be used between adults and children.
    Type: Application
    Filed: December 27, 2008
    Publication date: July 2, 2009
    Applicant: BEIJING AEONMED CO., LTD.
    Inventors: Hongyu Zhang, Feng Guo, Xueli Xu
  • Publication number: 20080076108
    Abstract: Disclosed herein is a method of analyzing examinee item response data comprising constructing a diagnosis model for reporting skill profiles of examinees, wherein the diagnosis model comprises at least a variable representing unobserved subpopulations, creating an item design matrix, distributing examinees across the unobserved subpopulations, iteratively estimating values for a plurality of variables within the diagnosis model, and reporting the estimated values to a user.
    Type: Application
    Filed: September 7, 2007
    Publication date: March 27, 2008
    Applicant: Educational Testing Service
    Inventors: Matthias Von Davier, Kentaro Yamamoto, Xueli Xu
  • Publication number: 20080021576
    Abstract: Disclosed herein is a method of analyzing large scale survey results comprising obtaining a sparse data set representing a subset of an original data set comprising a plurality of individuals' responses to a plurality of questions, wherein the sparse data set comprises less than ninety percent of the responses in the original data set; analyzing the sparse data set using a general diagnostic model; and obtaining estimated person parameters using the general diagnostic model.
    Type: Application
    Filed: April 6, 2007
    Publication date: January 24, 2008
    Inventors: Matthias Davier, Xueli Xu