Patents by Inventor Xian-Ping Lu

Xian-Ping Lu 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: 8211901
    Abstract: Isolated compounds of formula I: and stereoisomers, enantiomers, diastereomers, and pharmaceutically acceptable salts thereof are described, as well as processes for production, and methods of use of these compounds and compositions thereof for the treatment of diseases associated with abnormal protein kinase activities and/or abnormal histone deacetylase activities including, for example, inflammatory diseases, autoimmune diseases, cancer, neurological and neurodegenerative diseases, cardiovascular diseases, metabolic disease, allergies and asthma and/or hormone-related diseases.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: July 3, 2012
    Assignee: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping Lu, Zhibin Li, Song Shan, Jindi Yu, Zhiqiang Ning
  • Patent number: 8178577
    Abstract: The present invention relates to certain tricyclic derivatives which are capable of inhibiting histone deacetylases. The compounds of this invention are therefore useful in treating diseases associated with abnormal histone deacetylase activities. Pharmaceutical compositions comprising these compounds, methods of treating diseases utilizing pharmaceutical compositions comprising these compounds, and methods of preparing these compounds are also disclosed.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: May 15, 2012
    Assignee: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping Lu, Zhi-Bin Li, Zhi-Qiang Ning
  • Patent number: 8158656
    Abstract: The present invention relates to 2-indolinone derivatives which are capable of inhibiting protein kinases and histone deacetylases. The compounds of this invention are therefore useful in treating diseases associated with abnormal protein kinase activities or abnormal histone deacetylase activities. Pharmaceutical compositions comprising these compounds, methods of treating diseases utilizing pharmaceutical compositions comprising these compounds, and methods of preparing these compounds are also disclosed.
    Type: Grant
    Filed: May 8, 2009
    Date of Patent: April 17, 2012
    Assignee: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping Lu, Zhi-Bin Li, Zhi-Qiang Ning
  • Patent number: 7863315
    Abstract: Provided herein are isolated compounds of formula I: processes for their preparation and isolation, as well as pharmaceutical compositions which comprise these therapeutic agents, and methods of use therefore the treatment and/or control of conditions associated with or mediated by effects of histone deacetylase.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: January 4, 2011
    Assignee: Shenzhen Chipscreen Biosciences, Ltd.
    Inventors: Xian-Ping Lu, Zhi-bin Li, Zhi-Qiang Ning
  • Publication number: 20100298358
    Abstract: Isolated compounds of formula I: and stereoisomers, enantiomers, diastereomers, and pharmaceutically acceptable salts thereof are described, as well as processes for production, and methods of use of these compounds and compositions thereof for the treatment of diseases associated with abnormal protein kinase activities and/or abnormal histone deacetylase activities including, for example, inflammatory diseases, autoimmune diseases, cancer, neurological and neurodegenerative diseases, cardiovascular diseases, metabolic disease, allergies and asthma and/or hormone-related diseases.
    Type: Application
    Filed: May 21, 2010
    Publication date: November 25, 2010
    Applicant: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping LU, Zhibin Li, Song Shan, Jindi Yu, Zhiqiang Ning
  • Publication number: 20090298886
    Abstract: The present invention relates to 2-indolinone derivatives which are capable of inhibiting protein kinases and histone deacetylases. The compounds of this invention are therefore useful in treating diseases associated with abnormal protein kinase activities or abnormal histone deacetylase activities. Pharmaceutical compositions comprising these compounds, methods of treating diseases utilizing pharmaceutical compositions comprising these compounds, and methods of preparing these compounds are also disclosed.
    Type: Application
    Filed: May 8, 2009
    Publication date: December 3, 2009
    Applicant: Chipscreen Biosciences, Ltd.
    Inventors: Xian-Ping LU, Zhi-Bin LI, Zhi-Qiang Ning
  • Publication number: 20090292001
    Abstract: The present invention relates to certain tricyclic derivatives which are capable of inhibiting histone deacetylases. The compounds of this invention are therefore useful in treating diseases associated with abnormal histone deacetylase activities. Pharmaceutical compositions comprising these compounds, methods of treating diseases utilizing pharmaceutical compositions comprising these compounds, and methods of preparing these compounds are also disclosed.
    Type: Application
    Filed: May 8, 2009
    Publication date: November 26, 2009
    Applicant: Chipscreen Biosciences, Ltd.
    Inventors: Xian-Ping LU, Zhi-Bin Li, Zhi-Qiang Ning
  • Publication number: 20090182029
    Abstract: Provided herein are isolated compounds of formula 1: processes for their preparation and isolation, as well as pharmaceutical compositions which comprise these therapeutic agents, and methods of use therefore the treatment and/or control of conditions associated with or mediated by effects of histone deacetylase.
    Type: Application
    Filed: January 14, 2009
    Publication date: July 16, 2009
    Applicant: Chipscreen Biosciences, Ltd.
    Inventors: Xian-Ping Lu, Zhi-bin Li, Zhi-Qiang Ning
  • Patent number: 7550490
    Abstract: The present invention is related to the preparation and pharmaceutical use of novel benzamide derivatives as defined in the specification of formula (I) as histone deacetylase inhibitors (HDACI), their preparations and the methods of using these compounds or their pharmaceutically acceptable salt in the treatment of cell proliferative diseases, e.g. cancer and psoriasis.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: June 23, 2009
    Assignee: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping Lu, Zhibin Li, Aihua Xie, Leming Shi, Boyu Li, Zhiqiang Ning, Song Shan, Tuo Deng, Weiming Hu
  • Publication number: 20080051321
    Abstract: Disclosed is the preparation and pharmaceutical use of substituted arylalcanoic acid derivatives of Formula I, wherein ring A, ring B, R1, R2, R3, R4, R5, X, Alk1, Alk2, Ar1, and Ar2 are as defined in the specification. These compounds, as selective agonists activating peroxisome proliferator-activated receptors (PPAR), in particularly the RXR/PPARalpha, RXR/PPARgamma, and RXR/PPARdelta heterodimers, are useful in the treatment and/or prevention of type 2 diabetes and associated metabolic syndrome such as hypertension, obesity, insulin resistance, hyperlipidemia, hyperglycemia, hypercholesterolemia, atherosclerosis, coronary artery disease, and other cardiovascular disorders with improved side effects profile commonly associated with conventional PPARgamma agonists.
    Type: Application
    Filed: August 1, 2007
    Publication date: February 28, 2008
    Inventors: Xian-Ping Lu, Zhibin Li, Chenzhong Liao, Leming Shi, Zhende Liu, Baoshun Ma, Zhiqiang Ning, Song Shan, Tuo Deng
  • Publication number: 20080039509
    Abstract: The present invention is related to the preparation and pharmaceutical use of novel benzamide derivatives as defined in the specification of formula (I) as histone deacetylase inhibitors (HDACI), their preparations and the methods of using these compounds or their pharmaceutically acceptable salt in the treatment of cell proliferative diseases, e.g. cancer and psoriasis.
    Type: Application
    Filed: July 11, 2007
    Publication date: February 14, 2008
    Inventors: Xian-Ping Lu, Zhibin Li, Aihua Xie, Leming Shi, Boyu Li, Zhiqiang Ning, Song Shan, Tuo Deng, Weiming Hu
  • Patent number: 7268157
    Abstract: Disclosed is the preparation and pharmaceutical use of substituted arylalcanoic acid derivatives of Formula I, wherein ring A, ring B, R1, R2, R3, R4, R5, X, Alk1, Alk2, Ar1, and Ar2 are as defined in the specification. These compounds, as selective agonists activating peroxisome proliferator-activated receptors (PPAR), in particularly the RXR/PPARalpha, RXR/PPARgamma, and RXR/PPARdelta heterodimers, are useful in the treatment and/or prevention of type 2 diabetes and associated metabolic syndrome such as hypertension, obesity, insulin resistance, hyperlipidemia, hyperglycemia, hypercholesterolemia, atherosclerosis, coronary artery disease, and other cardiovascular disorders with improved side effects profile commonly associated with conventional PPARgamma agonists.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: September 11, 2007
    Assignees: Shenzhen Chipscreen Biosciences, Ltd., Research Institute of Tsinghua University
    Inventors: Xian-Ping Lu, Zhibin Li, Chenzhong Liao, Leming Shi, Zhende Liu, Baoshun Ma, Zhiqiang Ning, Song Shan, Tuo Deng
  • Patent number: 7244751
    Abstract: The present invention is related to the preparation and pharmaceutical use of novel benzamide derivatives as defined in the specification of formula (I) as histone deacetylase inhibitors (HDACI), their preparations and the methods of using these compounds or their pharmaceutically acceptable salt in the treatment of cell proliferative diseases, e.g.
    Type: Grant
    Filed: February 2, 2004
    Date of Patent: July 17, 2007
    Assignee: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping Lu, Zhibin Li, Aihua Xie, Leming Shi, Boyu Li, Zhiqiang Ning, Song Shan, Tuo Deng, Weiming Hu
  • Publication number: 20070142427
    Abstract: Disclosed are the preparation and pharmaceutical use of novel noncyclic 1,3-dicarbonyl compounds of formula I, wherein ring A, ring B, R1, R2, R3, R4, R5, X, Y, Z, Q, Ar and n are as defined in the specification. These compounds, as peroxisome proliferator-activated receptor (PPAR) dual agonists for both RXR/PPARgamma and RXR/PPARalpha heterodimers, are useful in the treatment and/or prevention of type 2 diabetes and associated metabolic syndrome such as hypertension, obesity, insulin resistance, hyperlipidemia, hyperglycemia, hypercholesterolemia, atherosclerosis, coronary artery disease, and other cardiovascular disorders.
    Type: Application
    Filed: January 16, 2007
    Publication date: June 21, 2007
    Applicant: Shenzhen Chipscreen Biosciences Ltd.
    Inventors: Xian-Ping Lu, Zhibin Li, Chenzhong Liao, Leming Shi, Zhende Liu, Zhiqiang Ning, Song Shan, Tuo Deng, Baoshun Ma
  • Patent number: 7192970
    Abstract: Disclosed are the preparation and pharmaceutical use of novel noncyclic 1,3-dicarbonyl compounds of formula I, wherein ring A, ring B, R1, R2, R3, R4, R5, X, Y, Z, Q, Ar and n are as defined in the specification.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: March 20, 2007
    Assignee: Chipscreen Biosciences, Ltd.
    Inventors: Xian-Ping Lu, Zhibin Li, Chenzhong Liao, Leming Shi, Zhende Liu, Zhiqiang Ning, Song Shan, Tuo Deng, Baoshun Ma
  • Publication number: 20060252708
    Abstract: Disclosed herein is the extraction, separation, and preparation of plant medicinal extracts to provide compositions containing enriched and isolated flavone derivatives of formula I and long chain fatty acid derivatives of formula II from natural plants, wherein R1, R2, R3, R4, R5, X, A, B and n1 are as defined in the specification. These extracts are used to control, i.e., prevent and treat, prostate diseases.
    Type: Application
    Filed: May 9, 2005
    Publication date: November 9, 2006
    Inventors: Xian-Ping Lu, Song San, Zhibin Li, Yanping Luo, Chenzhong Liao, Zhiqiang Ning
  • Patent number: 6825226
    Abstract: The invention relates to the discovery that specific adamantyl or adamantyl group derivatives containing retinoid-related compounds induce apoptosis of cancer cells and therefore may be used for the treatment of cancer, including advanced cancer. Also, the present invention relates to novel adamantyl or adamantyl group derivatives containing retinoid compounds and their usage for treatment and/or prevention of cancer, keratinization disorders, dermatological conditions, and other therapies More specifically, it has been shown that such adamantyl compounds, e.g., 6-[3-(1-adamantyl)-4-methoxyphenyl]-2-naphthoicacid, 2-[3-(1-adamantyl)-4-methoxyphenyl]-5-benzimidazole carboxylic acid, and 6-[3-(1-adamantyl)-4,5-methylenedioxyphenyl]-2-naphthoic acid, can be used to treat or prevent cervical cancers and precancers such as cervical dysplasias, including high grade and low grade dysplasias.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: November 30, 2004
    Assignee: Galderma Research & Development, S.N.C.
    Inventors: Magnus Pfahl, Xian-Ping Lu, Darryl Rideout, Hongyue Zhang
  • Publication number: 20040224991
    Abstract: The present invention is related to the preparation and pharmaceutical use of novel benzamide derivatives as defined in the specification of formula (I) as histone deacetylase inhibitors (HDACI), their preparations and the methods of using these compounds or their pharmaceutically acceptable salt in the treatment of cell proliferative diseases, e.g. cancer and psoriasis.
    Type: Application
    Filed: February 2, 2004
    Publication date: November 11, 2004
    Inventors: Xian-Ping Lu, Zhibin Li, Aihua Xie, Leming Shi, Boyu Li, Zhiqiang Ning, Song Shan, Tuo Deng, Weiming Hu
  • Publication number: 20040142921
    Abstract: Disclosed is the preparation and pharmaceutical use of substituted arylalcanoic acid derivatives of Formula I, wherein ring A, ring B, R1, R2, R3, R4, R5, X, Alk1, Alk2, Ar1, and Ar2 are as defined in the specification. These compounds, as selective agonists activating peroxisome proliferator-activated receptors (PPAR), in particularly the RXR/PPARalpha, RXR/PPARgamma, and RXR/PPARdelta heterodimers, are useful in the treatment and/or prevention of type 2 diabetes and associated metabolic syndrome such as hypertension, obesity, insulin resistance, hyperlipidemia, hyperglycemia, hypercholesterolemia, atherosclerosis, coronary artery disease, and other cardiovascular disorders with improved side effects profile commonly associated with conventional PPARgamma agonists.
    Type: Application
    Filed: November 18, 2003
    Publication date: July 22, 2004
    Inventors: Xian-Ping Lu, Zhibin Li, Chenzhong Liao, Leming Shi, Zhende Liu, Baoshun Ma, Zhiqiang Ning, Song Shan, Tuo Deng
  • Publication number: 20040138211
    Abstract: Disclosed are the preparation and pharmaceutical use of novel noncyclic 1,3-dicarbonyl compounds of formula I, wherein ring A, ring B, R1, R2, R3, R4, R5, X, Y, Z, Q, Ar and n are as defined in the specification. These compounds, as peroxisome proliferator-activated receptor (PPAR) dual agonists for both RXR/PPARgamma and RXR/PPARalpha heterodimers, are useful in the treatment and/or prevention of type 2 diabetes and associated metabolic syndrome such as hypertension, obesity, insulin resistance, hyperlipidemia, hyperglycemia, hypercholesterolemia, atherosclerosis, coronary artery disease, and other cardiovascular disorders.
    Type: Application
    Filed: November 14, 2003
    Publication date: July 15, 2004
    Inventors: Xian-Ping Lu, Zhibin Li, Chenzhong Liao, Leming Shi, Zhende Liu, Zhiqiang Ning, Song Shan, Tuo Deng, Baoshun Ma