Patents by Inventor Xufeng Sun

Xufeng Sun 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: 20230043305
    Abstract: This invention provides an unexpectedly stable, highly crystalline form of the di-HCl salt of for advantageous therapeutic pharmaceutical efficacy and dosage form stability.
    Type: Application
    Filed: February 28, 2022
    Publication date: February 9, 2023
    Applicant: G1 Therapeutics, Inc.
    Inventors: Alexander Smith, Hannah S. White, Patricia Andres, Xufeng Sun, Lei Zhu, Petinka I. Vlahova
  • Patent number: 11457628
    Abstract: The present invention discloses a substituted pyrimidine compound. The structure is shown in general formula I. The definition of each substituent in the formula is described in the description. The compound of the present invention has broad-spectrum fungicidal, insecticidal and acaricidal activity, and has excellent control effects on cucumber downy mildew, powdery mildew, corn rust, anthrax, rice blast, aphids, Tetranychus cinnabarinus and the like.
    Type: Grant
    Filed: November 22, 2018
    Date of Patent: October 4, 2022
    Assignees: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD., JIANGSU YANGNONG CHEMICAL CO., LTD.
    Inventors: Aiying Guan, Miao Li, Junfeng Wang, Leichuan Xu, Qin Sun, Xufeng Sun, Jinqiang Sun, Changling Liu
  • Patent number: 11261193
    Abstract: This invention provides an unexpectedly stable, highly crystalline form of the di-HCl salt of for advantageous therapeutic pharmaceutical efficacy and dosage form stability.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: March 1, 2022
    Assignee: GI Therapeutics, Inc.
    Inventors: Alexander Smith, Hannah S. White, Patricia Andres, Xufeng Sun, Lei Zhu, Petinka I. Vlahova
  • Patent number: 11008339
    Abstract: Disclosed are substituted pyrazole compounds containing pyrimidinyl as shown in Formula I: The definitions of each of the substituents can be seen in the description. The compounds of present invention have a good spectrum of bactericidal, insecticidal and acaricidal activity, and have good control effect on downy mildew of cucumber, powdery mildew of wheat, corn rust, rice blast, cucumber anthracnosis and the like. The compounds of present invention also show good insecticidal activity.
    Type: Grant
    Filed: May 17, 2016
    Date of Patent: May 18, 2021
    Assignee: Shenyang Sinochem Agrochemicals R&D Co., Ltd.
    Inventors: Changling Liu, Aiying Guan, Junfeng Wang, Xufeng Sun, Zhinian Li, Jinbo Zhang, Lanfeng Ban, Sen Ma, Jie Lan, Xiaoli Xia, Jinlong Yang
  • Publication number: 20210015100
    Abstract: The present invention discloses a substituted pyrimidine compound. The structure is shown in general formula I. The definition of each substituent in the formula is described in the description. The compound of the present invention has broad-spectrum fungicidal, insecticidal and acaricidal activity, and has excellent control effects on cucumber downy mildew, powdery mildew, corn rust, anthrax, rice blast, aphids, Tetranychus cinnabarinus and the like.
    Type: Application
    Filed: November 22, 2018
    Publication date: January 21, 2021
    Applicant: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD.
    Inventors: Aiying GUAN, Miao LI, Junfeng WANG, Leichuan XU, Qin SUN, Xufeng SUN, Jinqiang SUN, Changling LIU
  • Publication number: 20200123168
    Abstract: This invention provides an unexpectedly stable, highly crystalline form of the di-HCl salt of 2?-((5-(4-isopropylpiperazin-1-yl)pyridin-2-yl)amino)-7?,8?-dihydro-6?H-spiro[cyclohexane-1,9?-pyrazino[1?,2?:1,5]pyrrolo[2,3-d]pyrimidin]-6?-one for advantageous therapeutic pharmaceutical efficacy and dosage form stability.
    Type: Application
    Filed: December 19, 2019
    Publication date: April 23, 2020
    Applicant: G1 Therapeutics, Inc.
    Inventors: Alexander Smith, Hannah S. White, Patrica Andres, Xufeng Sun, Lei Zhu, Petinka I. Vlahova
  • Patent number: 10519176
    Abstract: Preparation and characterization of novel forms of (1-hydroxy-2-imidazol-1-yl-1-phosphono-ethyl) phosphonic acid, suitable for pharmaceutical compositions in drug delivery systems for humans.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: December 31, 2019
    Assignee: THAR PHARMA, LLC
    Inventors: Mazen Hanna, Ning Shan, Miranda L. Cheney, David R. Weyna, Paul K. Isbester, Xufeng Sun
  • Publication number: 20190002483
    Abstract: Preparation and characterization of novel forms of (1-hydroxy-2-imidazol-1-yl-1-phosphono-ethyl) phosphonic acid, suitable for pharmaceutical compositions in drug delivery systems for humans.
    Type: Application
    Filed: November 2, 2017
    Publication date: January 3, 2019
    Applicant: GRUNENTHAL GMBH
    Inventors: Mazen HANNA, Ning SHAN, Miranda L. CHENEY, David R. WEYNA, Paul K. ISBESTER, Xufeng SUN
  • Patent number: 9988370
    Abstract: Salts of 4-{[4-({[4-(2,2,2-trifluoroethoxy)-1,2-benzisoxazol-3-yl]oxy}methyl)piperidin-1-yl]methyl}tetrahydro-2H-pyran-4-carboxylic acid are disclosed. More particularly, salt forms (HCl-salt, HBr-salt, p-toluenesulfonate salt and ethanedisulfonate salt) are disclosed. Furthermore, processes for the preparation of such salt forms, compositions containing such salt forms, and uses of such salt forms are disclosed. A method of treating disease conditions mediated by 5-HT4 receptor activity includes administering an effective amount of such salt forms to an animal, including a human, in need of such treatment.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: June 5, 2018
    Assignee: RaQualia Pharma Inc.
    Inventors: Toyoharu Numata, Masaki Sudo, Xufeng Sun
  • Publication number: 20180141961
    Abstract: Disclosed are substituted pyrazole compounds containing pyrimidinyl as shown in Formula I: The definitions of each of the substituents can be seen in the description. The compounds of present invention have a good spectrum of bactericidal, insecticidal and acaricidal activity,and have good control effect on downy mildew of cucumber, powdery mildew of wheat, corn rust, rice blast, cucumber anthracnosis and the like. The compounds of present invention also show good insecticidal activity.
    Type: Application
    Filed: May 17, 2016
    Publication date: May 24, 2018
    Inventors: Changling Liu, Aiying Guan, Junfeng Wang, Xufeng Sun, Zhinian Li, Jinbo Zhang, Lanfeng Ban, Sen Ma, Jie Lan, Xiaoli Xia, Jinlong Yang
  • Patent number: 9920045
    Abstract: The invention relates to a novel variable hydrate crystalline form of 1-(5-(4-chloro-3,5-dimethoxyphenyl)furan-2-yl)-2-ethoxy-2-(4-(5-methyl-1,3,4-thiadiazol-2-yl)phenyl)ethanone, methods for the preparation thereof, pharmaceutical compositions thereof and their use in the inhibition of PDE10.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: March 20, 2018
    Assignee: Omeros Corporation
    Inventors: Ekaterina Albert, Jennifer Leigh Nelson, Christopher Scott Seadeek, Karl Reineke, Marco Jonas, Suba Iyer, Xufeng Sun, Neil S. Cutshall, Jennifer Lynn Gage, Thomas L. Little, Wayne Douglas Luke, Elisabeth C. A. Brot, Michael James McDermott
  • Patent number: 9770026
    Abstract: Disclosed is a substituted pyrimidine compound having a structure as represented by formula PY. See the description for the definition of each substituent in the formula. The compound of the present invention provides broad-spectrum bactericidal, pesticidal, and acaricidal activities, provides great control effects against plant diseases such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, and cucumber gray mold, specifically provides improved control effects against cucumber downy mildew, corn rust, wheat powdery mildew, and rice blast, provides great control effects against aphid, carmine spider mite, diamondback moth, and armyworm, and acquires great effects at a minimal dosage. The compound of the present invention also provides characteristics such as a simplified preparation method.
    Type: Grant
    Filed: October 24, 2013
    Date of Patent: September 26, 2017
    Assignee: Shenyang Sinochem Agrochemicals R&D Co., Ltd.
    Inventors: Changling Liu, Lizeng Wang, Yuquan Song, Xufeng Sun, Jie Lan, Aiying Guan, Junfeng Wang, Jinbo Zhang, Cong Feng, Minna Zhu, Zhinian Li, Lanhui Ren, Xiuhui Chang, Fan Yang, Qin Sun, Wei Chen, Shaowu Liu, Yinping Zhou, Zhonggang Shan, Baoshan Chai, Bin Wang, Jizhong Zhou
  • Patent number: 9682962
    Abstract: Disclosed are pyrazolyl pyrimidinamine compounds with structures as shown in Formula I: The definitions of each of the substituents can be seen in the description. The compounds of present invention have a broad spectrum of bactericidal, insecticidal and acaricidal activity, and have good control effect on downy mildew of cucumber, powdery mildew of wheat, corn rust, anthracnosis of cucumber and the like, and especially have better control effect on downy mildew of cucumber, powdery mildew of wheat and anthracnosis of cucumber. The compounds of present invention also show good insecticidal activity, part of the compounds, at very low doses, have excellent control effect on diseases caused by Plutella xylostella, armyworm, Myzus persicae, Tetranychus cinnabarinus etc.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: June 20, 2017
    Assignee: Shenyang Sinochem Agrochemicals R&D CO., LTD.
    Inventors: Changling Liu, Xufeng Sun, Jie Zhao, Lizeng Wang, Keke Li, Jinbo Zhang, Xuanming Chen, Aiying Guan, Yuquan Song, Jie Lan, Sen Ma, Lijun Ru
  • Publication number: 20170166559
    Abstract: The invention relates to a novel variable hydrate crystalline form of 1-(5-(4-chloro-3,5-dimethoxyphenyl)furan-2-yl)-2-ethoxy-2-(4-(5-methyl-1,3,4-thiadiazol-2-yl)phenyl)ethanone, methods for the preparation thereof, pharmaceutical compositions thereof and their use in the inhibition of PDE10.
    Type: Application
    Filed: November 4, 2016
    Publication date: June 15, 2017
    Inventors: Ekaterina Albert, Jennifer Leigh Nelson, Christopher Scott Seadeek, Karl Reineke, Marco Jonas, Suba Iyer, Xufeng Sun, Neil S. Cutshall, Jennifer Lynn Gage, Thomas L. Little, Wayne Douglas Luke, Elisabeth C. A. Brot, Michael James McDermott
  • Publication number: 20170081318
    Abstract: Salts of 4-{[4-({[4-(2,2,2-trifluoroethoxy)-1,2-benzisoxazol-3-yl]oxy}methyl)piperidin-1-yl]methyl}tetrahydro-2H-pyran-4-carboxylic acid are disclosed. More particularly, salt forms (HCl-salt, HBr-salt, p-toluenesulfonate salt and ethanedisulfonate salt) are disclosed. Furthermore, processes for the preparation of such salt forms, compositions containing such salt forms, and uses of such salt forms are disclosed. A method of treating disease conditions mediated by 5-HT4 receptor activity includes administering an effective amount of such salt forms to an animal, including a human, in need of such treatment.
    Type: Application
    Filed: May 20, 2015
    Publication date: March 23, 2017
    Applicant: RaQualia Pharma Inc.
    Inventors: Toyoharu Numata, Masaki Sudo, Xufeng Sun
  • Publication number: 20170022225
    Abstract: Preparation and characterization of novel forms of (1-hydroxy-2-imidazol-1-yl-1-phosphono-ethyl) phosphonic acid, suitable for pharmaceutical compositions in drug delivery systems for humans.
    Type: Application
    Filed: April 15, 2016
    Publication date: January 26, 2017
    Inventors: Mazen HANNA, Ning SHAN, Miranda L. CHENEY, David R. WEYNA, Paul K. ISBESTER, Xufeng SUN
  • Publication number: 20160332991
    Abstract: Disclosed are pyrazolyl pyrimidinamine compounds with structures as shown in Formula I: The definitions of each of the substituents can be seen in the description. The compounds of present invention have a broad spectrum of bactericidal, insecticidal and acaricidal activity, and have good control effect on downy mildew of cucumber, powdery mildew of wheat, corn rust, anthracnosis of cucumber and the like, and especially have better control effect on downy mildew of cucumber, powdery mildew of wheat and anthracnosis of cucumber. The compounds of present invention also show good insecticidal activity, part of the compounds, at very low doses, have excellent control effect on diseases caused by Plutella xylostella, armyworm, Myzus persicae, Tetranychus cinnabarinus etc.
    Type: Application
    Filed: December 11, 2014
    Publication date: November 17, 2016
    Applicant: SHENYANG SINOCHEM AGROCHEMICALS R&D CO., LTD.
    Inventors: Changling LIU, Xufeng SUN, Jie ZHAO, Lizeng WANG, Keke LI, Jinbo ZHANG, Xuanming CHEN, Aiying GUAN, Yuquan SONG, Jie LAN, Sen MA, Lijun RU
  • Patent number: 9340565
    Abstract: Preparation and characterization of novel forms of (1-hydroxy-2-imidazol-1-yl-1-phosphono-ethyl) phosphonic acid, suitable for pharmaceutical compositions in drug delivery systems for humans.
    Type: Grant
    Filed: November 23, 2011
    Date of Patent: May 17, 2016
    Assignee: THAR PHARMACEUTICALS, INC.
    Inventors: Mazen Hanna, Ning Shan, Miranda L. Cheney, David R. Weyna, Paul K. Isbester, Xufeng Sun
  • Publication number: 20150257385
    Abstract: Disclosed is a substituted pyrimidine compound having a structure as represented by formula PY. See the description for the definition of each substituent in the formula. The compound of the present invention provides broad-spectrum bactericidal, pesticidal, and acaricidal activities, provides great control effects against plant diseases such as cucumber downy mildew, corn rust, wheat powdery mildew, rice blast, and cucumber gray mold, specifically provides improved control effects against cucumber downy mildew, corn rust, wheat powdery mildew, and rice blast, provides great control effects against aphid, carmine spider mite, diamondback moth, and armyworm, and acquires great effects at a minimal dosage. The compound of the present invention also provides characteristics such as a simplified preparation method.
    Type: Application
    Filed: October 24, 2013
    Publication date: September 17, 2015
    Inventors: Changling Liu, Lizeng Wang, Yuquan Song, Xufeng Sun, Jie Lan, Aiying Guan, Junfeng Wang, Jinbo Zhang, Cong Feng, Minna Zhu, Zhinian Li, Lanhui Ren, Xiuhui Chang, Fan Yang, Qin Sun, Wei Chen, Shaowu Liu, Yinping Zhou, Zhonggang Shan, Baoshan Chai, Bin Wang, Jizhong Zhou
  • Patent number: D772291
    Type: Grant
    Filed: August 14, 2014
    Date of Patent: November 22, 2016
    Assignee: Tencent Technology (Shenzhen) Company Limited
    Inventors: Jinrui Nie, Yongjun Wang, Xiang Li, Kangle Zeng, Xinggang Li, Xufeng Sun, Yinze Zhang, Xueyong Zheng, Dongdong Xing, Xi Chen, Yumei Cui, Dongxue Zhao, Na Chen