Patents by Inventor CHANGYOU MA

CHANGYOU MA 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: 20230321108
    Abstract: A unit dosage composition of an AKT inhibitor, and in particular, relates to a pharmaceutical composition in unit dosage form includes a compound of formula I-0 or a pharmaceutically acceptable salt thereof, wherein the mass of the compound I-0 or the pharmaceutically acceptable salt thereof is 5 mg to 400 mg calculated as free base.
    Type: Application
    Filed: July 22, 2021
    Publication date: October 12, 2023
    Applicant: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD.
    Inventors: Lei MIAO, Ying TANG, He TIAN, Changyou MA, Jian WU, Dan XU, Chunxia ZHU, Zhoushan TIAN
  • Publication number: 20230286979
    Abstract: A salt of a dihydropyrido[2,3-d]pyrimidinone derivative, a preparation method thereof and the use thereof are provided. The salt is selected from fumarate, methanesulfonate, isethionate, ?-naphthalenesulfonate, p-toluenesulfonate, 1,2-ethanedisulfonate, oxalate, maleate, citrate, succinate, L-(+)-tartrate, hippurate, L-ascorbate, L-malate, benzoate, gentisate, a hydrochloride, a sulfate or a phosphate. The salt of the dihydropyrido[2,3-d]pyrimidinone derivative of the present application can be used in the treatment of breast cancer, prostate cancer, or ovarian cancer.
    Type: Application
    Filed: July 22, 2021
    Publication date: September 14, 2023
    Applicant: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD.
    Inventors: Changyou MA, He TIAN, Jianliang ZHAO, Donghui CHEN, Jian WU, Dan XU, Chunxia ZHU, Zhoushan TIAN
  • Publication number: 20230271958
    Abstract: A salt and crystal form of a dihydropyrido[2,3-d]pyrimidine derivate, and specifically, a crystal form of a fumarate hydrate of compound 1, and a preparation method thereof are provided. In the formula, X is 2.0-3.0. The X-ray powder diffraction pattern expressed in 2? angles using Cu-Ka radiation has characteristic peaks at 2? values of 9.28°±0.2° and 3.63°±0.2°. The crystal form has good stability and can better be applied to clinical practice.
    Type: Application
    Filed: July 22, 2021
    Publication date: August 31, 2023
    Applicant: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD.
    Inventors: Jian WU, Changyou MA, He TIAN, Jianliang ZHAO, Donghui CHEN, Dan XU, Chunxia ZHU, Zhoushan TIAN
  • Publication number: 20230227484
    Abstract: A pyrimidine compound as an AXL inhibitor is provided. The structure of the pyrimidine compound is as shown in general formula I, and the definition of each substituent is as described in the description. The present invention further provides a preparation method for the pyrimidine compound. The pyrimidine compound of the present invention has significant AXL inhibitory activity, and can be used as an AXL inhibitor.
    Type: Application
    Filed: May 28, 2021
    Publication date: July 20, 2023
    Applicant: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD.
    Inventors: Changyou MA, Linlin ZHANG, Dongdong LI, Youzhi WU, Haiwei FENG, Qiuhua ZHOU, Junjie PEI, Jian WU, Dan XU, Chunxia ZHU, Zhoushan TIAN
  • Publication number: 20220144821
    Abstract: The present invention discloses an AKT inhibitor, and specifically relates to a compound represented by formula I or a pharmaceutically acceptable salt thereof. The present invention further provides a preparation method thereof, and the use thereof in prevention and/or treatment of a disease mediated by AKT protein kinase.
    Type: Application
    Filed: January 22, 2020
    Publication date: May 12, 2022
    Inventors: Changyou Ma, He Tian, Jie An, Jianliang Zhao, Donghui Chen, Jian Wu, Dan Xu, Chunxia Zhu, Zhoushan Tian
  • Patent number: 11325994
    Abstract: Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high activity and a long term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 10, 2022
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Jun Wang, Mingzhi Gao, Haitao Liu, Jing Ma, Jixing Ma, Xiaoxia Cai, Jianhua Chen, Jianjun Hu, Changxiu Li, Zhihui Zhang, Ruilin Duan, Changyou Ma
  • Patent number: 11129832
    Abstract: The present invention provides for compounds of Formula I-I and embodiments and salts thereof for the treatment of diseases (e.g., neurodegenerative diseases). R1, R2, R3, X1, X2, A and Cy variable in Formula I-I all have the meaning as defined herein.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: September 28, 2021
    Assignee: Genentech, Inc.
    Inventors: Anthony Estrada, Liting Dong, Kevin X. Chen, Paul Gibbons, Malcolm Huestis, Terry Kellar, Wen Liu, Changyou Ma, Joseph P. Lyssikatos, Alan G. Olivero, Snahel Patel, Daniel Shore, Michael Siu
  • Publication number: 20200188397
    Abstract: The present invention provides for compounds of Formula I-I and embodiments and salts thereof for the treatment of diseases (e.g., neurodegenerative diseases). R1, R2, R3, X1, X2, A and Cy variable in Formula I-I all have the meaning as defined herein.
    Type: Application
    Filed: October 28, 2019
    Publication date: June 18, 2020
    Applicant: Genentech, Inc.
    Inventors: Anthony Estrada, Liting Dong, Kevin X. Chen, Paul Gibbons, Malcolm Huestis, Terry Kellar, Wen Liu, Changyou Ma, Joseph Lyssikatos, Alan Olivero, Snahel Patel, Daniel Shore, Michael Siu
  • Patent number: 10662268
    Abstract: Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high long-term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: May 26, 2020
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Jun Wang, Mingzhi Gao, Jing Ma, Haitao Liu, Jianhua Chen, Xiaoxia Cai, Jixing Ma, Jianjun Hu, Changxiu Li, Zhihui Zhang, Changyou Ma
  • Publication number: 20190256623
    Abstract: Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high long-term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.
    Type: Application
    Filed: September 22, 2017
    Publication date: August 22, 2019
    Inventors: Jun WANG, Mingzhi GAO, Jing MA, Haitao LIU, Jianhua CHEN, Xiaoxia CAI, Jixing MA, Jianjun HU, Changxiu LI, Zhihui ZHANG, Changyou MA
  • Publication number: 20190211119
    Abstract: Disclosed is a catalyst component for olefin polymerization. The catalyst component comprises magnesium, titanium, halogen and an internal electron donor. The internal electron donor includes an imine compound with a ketone group as shown in Formula I. Disclosed further is a method of preparing the catalyst component, and a catalyst for olefin polymerization containing the catalyst component. When the catalyst is used in olefin polymerization reaction especially propene polymerization reaction, the catalyst has a high activity and a long term activity and good hydrogen response, and the obtained polymer has characteristics of an adjustable isotactic index and a relatively wide molecular weight distribution.
    Type: Application
    Filed: September 22, 2017
    Publication date: July 11, 2019
    Inventors: Jun WANG, Mingzhi GAO, Haitao LIU, Jing MA, Jixing MA, Xiaoxia CAI, Jianhua CHEN, Jianjun HU, Changxiu LI, Zhihui ZHANG, Ruilin DUAN, Changyou MA
  • Patent number: 10208145
    Abstract: The present invention provides a catalyst component for olefin polymerization, obtained by a reaction of magnesium, titanium, halogen and an internal electron donor, the internal electron donor comprising an imine compound as shown in Formula Z. The present invention also provides a preparation method of the catalyst component, and a catalyst for olefin polymerization containing the same. When the catalyst of the present invention is used for olefin polymerization reaction, the catalyst has a high activity, and a slow rate of activity decay, and the obtained polymer has a high isotacticity index, and a wide molecular weight distribution.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: February 19, 2019
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroteum & Chemical Corporation
    Inventors: Mingzhi Gao, Jun Wang, Haitao Liu, Jing Ma, Jianhua Chen, Jixing Ma, Xiaoxia Cai, Changxiu Li, Jianjun Hu, Xiaofan Zhang, Xianzhong Li, Zhihui Zhang, Ruilin Duan, Linna Yang, Changyou Ma
  • Patent number: 10184017
    Abstract: The present invention discloses a catalyst component for propene polymerization, comprising titanium, magnesium, halogen, and internal electron donor A, wherein said internal electron donor A is selected from the compounds as shown in Formula I, in Formula I, R is selected from hydrogen, hydroxyl, and substituted or unsubstituted C1-C30 hydrocarbyl, preferably from hydrogen, hydroxyl, and substituted or unsubstituted C1-C20 alkyl, C6-C30 aryl, C6-C30 heteroaryl, C7-C30 alkylaryl and C7-C30 arylalkyl; R1 and R2 may be identical to or different from each other, and are selected from hydrogen and substituted or unsubstituted C1-C30 hydrocarbyl, preferably from hydrogen and substituted or unsubstituted C1-C20 alkyl, C6-C30 aryl, C7-C30 alkylaryl and C7-C30 arylalkyl. According to the present invention, by using the compound as shown in Formula I as internal electron donor compound for propene polymerization, the catalyst has a higher activity, and a slow rate of delay of activity.
    Type: Grant
    Filed: April 24, 2015
    Date of Patent: January 22, 2019
    Assignees: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation
    Inventors: Jun Wang, Mingzhi Gao, Haitao Liu, Jing Ma, Jianhua Chen, Xiaoxia Cai, Jixing Ma, Changxiu Li, Jianjun Hu, Xiaofan Zhang, Xianzhong Li, Zhihui Zhang, Ruilin Duan, Linna Yang, Changyou Ma
  • Patent number: 10010549
    Abstract: The present invention provides for compounds of Formula I-I and embodiments and salts thereof for the treatment of diseases (e.g., neurodegenerative diseases). R1, R2, R3, X1, X2, A and Cy variable in Formula I-I all have the meaning as defined herein.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: July 3, 2018
    Assignee: Genentech, Inc.
    Inventors: Anthony Estrada, Liting Dong, Kevin X. Chen, Paul Gibbons, Malcolm Huestis, Terry Kellar, Wen Liu, Changyou Ma, Joseph Lyssikatos, Alan Olivero, Snahel Patel, Daniel Shore, Michael Siu
  • Publication number: 20180133219
    Abstract: The present invention provides for compounds of Formula I-I and embodiments and salts thereof for the treatment of diseases (e.g., neurodegenerative diseases). R1, R2, R3, X1, X2, A and Cy variable in Formula I-I all have the meaning as defined herein.
    Type: Application
    Filed: January 11, 2018
    Publication date: May 17, 2018
    Applicant: Genentech, Inc.
    Inventors: Anthony Estrada, Liting Dong, Kevin X. Chen, Paul Gibbons, Malcolm Huestis, Terry Kellar, Wen Liu, Changyou Ma, Joseph Lyssikatos, Alan Olivero, Snahel Patel, Daniel Shore, Michael Siu
  • Patent number: 9951157
    Abstract: Spherical carriers for an olefin polymerization catalyst, catalyst components, catalysts, and preparation methods therefor are disclosed. The method for preparing the spherical carriers comprises the following steps: (1) reacting, in the presence of at least one polymeric dispersion stabilizer, a magnesium halide with an organic compound containing active hydrogen to form a complex solution; (2) reacting said complex solution with an alkylene oxide-type compound to directly precipitate solid particles; and (3) recovering the solid particles to obtain spherical carriers. When a catalyst prepared by using the present spherical carrier is used in propylene polymerization, said catalyst exhibits high polymerization activity and high stereo-directing ability.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: April 24, 2018
    Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM & CHEMICAL CORPORATION
    Inventors: Weili Li, Xianzhi Xia, Yuexiang Liu, Yongtai Ling, Jin Zhao, Jigui Zhang, Futang Gao, Ping Gao, Yang Tan, Renqi Peng, Zhihui Zhang, Jie Lin, Ruilin Duan, Changyou Ma
  • Publication number: 20170073441
    Abstract: The present invention provides a catalyst component for olefin polymerization, obtained by a reaction of magnesium, titanium, halogen and an internal electron donor, the internal electron donor comprising an imine compound as shown in Formula Z. The present invention also provides a preparation method of the catalyst component, and a catalyst for olefin polymerization containing the same. When the catalyst of the present invention is used for olefin polymerization reaction, the catalyst has a high activity, and a slow rate of activity decay, and the obtained polymer has a high isotacticity index, and a wide molecular weight distribution.
    Type: Application
    Filed: April 24, 2015
    Publication date: March 16, 2017
    Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry, China Petroteum & Chemical Corporation
    Inventors: Mingzhi GAO, Jun WANG, Haitao LIU, Jing MA, Jianhua CHEN, Jixing MA, Xiaoxia CAI, Changxiu LI, Jianjun HU, Xiaofan ZHANG, Xianzhong LI, Zhihui ZHANG, Ruilin DUAN, Linna YANG, Changyou MA
  • Publication number: 20170044280
    Abstract: The present invention discloses a catalyst component for propene polymerization, comprising titanium, magnesium, halogen, and internal electron donor A, wherein said internal electron donor A is selected from the compounds as shown in Formula I, in Formula I, R is selected from hydrogen, hydroxyl, and substituted or unsubstituted C1-C30 hydrocarbyl, preferably from hydrogen, hydroxyl, and substituted or unsubstituted C1-C20 alkyl, C6-C30 aryl, C6-C30 heteroaryl, C7-C30 alkylaryl and C7-C30 arylalkyl; R1 and R2 may be identical to or different from each other, and are selected from hydrogen and substituted or unsubstituted C1-C30 hydrocarbyl, preferably from hydrogen and substituted or unsubstituted C1-C20 alkyl, C6-C30 aryl, C7-C30 alkylaryl and C7-C30 arylalkyl. According to the present invention, by using the compound as shown in Formula I as internal electron donor compound for propene polymerization, the catalyst has a higher activity, and a slow rate of delay of activity.
    Type: Application
    Filed: April 24, 2015
    Publication date: February 16, 2017
    Applicants: China Petroleum & Chemical Corporation, Beijing Research Institute of Chemical Industry China Petroleum & Chemical Corporation
    Inventors: Jun WANG, Mingzhi GAO, Haitao LIU, Jing MA, Jianhua CHEN, Xiaoxia CAI, Jixing MA, Changxiu LI, Jianjun HU, Xiaofan ZHANG, Xianzhong LI, Zhihui ZHANG, Ruilin DUAN, Linna YANG, Changyou MA
  • Publication number: 20160251457
    Abstract: Spherical carriers for an olefin polymerization catalyst, catalyst components, catalysts, and preparation methods therefor are disclosed. The method for preparing the spherical carriers comprises the following steps: (1) reacting, in the presence of at least one polymeric dispersion stabilizer, a magnesium halide with an organic compound containing active hydrogen to form a complex solution; (2) reacting said complex solution with an alkylene oxide-type compound to directly precipitate solid particles; and (3) recovering the solid particles to obtain spherical carriers. When a catalyst prepared by using the present spherical carrier is used in propylene polymerization, said catalyst exhibits high polymerization activity and high stereo-directing ability.
    Type: Application
    Filed: October 17, 2014
    Publication date: September 1, 2016
    Inventors: Weili Li, Xianzhi Xia, Yuexiang Liu, Yongtai Ling, Jin Zhao, Jigui Zhang, Futang Gao, Ping Gao, Yang Tan, Renqi Peng, Zhihui Zhang, Jie Lin, Ruilin Duan, Changyou Ma
  • Publication number: 20160052940
    Abstract: The present invention provides for compounds of Formula I-I and embodiments and salts thereof for the treatment of diseases (e.g., neurodegenerative diseases). R1, R2, R3, X1, X2, A and Cy variable in Formula I-I all have the meaning as defined herein.
    Type: Application
    Filed: October 29, 2015
    Publication date: February 25, 2016
    Applicant: GENENTECH, INC.
    Inventors: ANTHONY ESTRADA, LITING DONG, KEVIN X. CHEN, PAUL GIBBONS, MALCOLM HUESTIS, TERRY KELLAR, WEN LIU, CHANGYOU MA, JOSEPH LYSSIKATOS, ALAN OLIVERO, SNAHEL PATEL, DANIEL SHORE, MICHAEL SIU