Patents by Inventor Duan Liu
Duan Liu 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).
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Publication number: 20230183092Abstract: Various lithium cobalt oxides materials having a chemical formula of LixCoyOz, and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt of a lithium-containing salt, and a cobalt-containing salt within a liquid mixture to be equivalent to a ratio of x:y, drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystallized particles of the lithium cobalt oxide material. The process system has a mist generator, a drying chamber, one or more gas-solid separator, and one or more reactors.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Inventors: Haixia DENG, Shengfeng LIU, Min-Duan LIU, Mengchen LIU, Liang-Yuh CHEN
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Publication number: 20230187632Abstract: Various lithium cobalt oxides materials doped with one or more metal dopants having a chemical formula of LixCoyOz (doped Me1a Me2b Me3c . . . MeNn), and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt:MMe1Salt:MMe2Salt:MMe3Salt:. . . MMeNSalt of a lithium-containing salt, a cobalt-containing salt and one or more metal-dopant-containing salts within a liquid mixture to be equivalent to a ratio of x:y:a:b:c: . . . n , drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystalized particles of the lithium cobalt oxide material. The process system has a mist generator, a drying chamber, one or more gas-solid separator, and one or more reactors.Type: ApplicationFiled: February 3, 2023Publication date: June 15, 2023Inventors: Haixia DENG, Shengfeng LIU, Min-Duan LIU, Mengchen LIU, Liang-Yuh CHEN
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Publication number: 20220177324Abstract: Various lithium cobalt oxides materials having a chemical formula of Lix Coy Oz, and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt of a lithium-containing salt, and a cobalt-containing salt within a liquid mixture to be equivalent to a ratio of x:y, drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystalized particles of the lithium cobalt oxide material. The process system has a mist generator, a drying chamber, one or more gas-solid separator, and one or more reactors.Type: ApplicationFiled: September 17, 2021Publication date: June 9, 2022Inventors: Haixia DENG, Shengfeng LIU, Min-Duan LIU, Mengchen LIU, Liang-Yuh CHEN
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Publication number: 20220181616Abstract: Various lithium cobalt oxides materials doped with one or more metal dopants having a chemical formula of Lix Coy Oz (doped Me1a Me2b Me3c . . . MeNn), and method and apparatus of producing the various lithium cobalt oxides materials are provided. The method includes adjusting a molar ratio MLiSalt:MCoSalt:MMe1Salt:MMe2Salt:MMe3Salt: . . . MMeNSalt of a lithium-containing salt, a cobalt-containing salt and one or more metal-dopant-containing salts within a liquid mixture to be equivalent to a ratio of x:y:a:b:c: . . . n, drying a mist of the liquid mixture in the presence of a gas to form a gas-solid mixture, separating the gas-solid mixture into one or more solid particles of an oxide material, and annealing the solid particles of the oxide material in the presence of another gas flow to obtain crystalized particles of the lithium cobalt oxide material. The process system has a mist generator, a drying chamber, one or more gas-solid separator, and one or more reactors.Type: ApplicationFiled: September 17, 2021Publication date: June 9, 2022Inventors: Haixia DENG, Shengfeng LIU, Min-Duan LIU, Mengchen LIU, Liang-Yuh CHEN
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Patent number: 9227971Abstract: The present invention provides Pyrazolopyrimidine Compounds of Formula (I): wherein L, T, Z, U, V, W, R3, R6, R7, R8, and m are as defined herein, and pharmaceutically acceptable salts of such Pyrazolopyrimidine Compounds. The Pyrazolopyrimidine Compounds are useful in the treatment of cancer and other diseases or disorders wherein mTOR is deregulated.Type: GrantFiled: January 18, 2011Date of Patent: January 5, 2016Assignee: Merck Sharp & Dohme Corp.Inventors: M. Arshad Siddiqui, Yang Nan, Mehul F. Patel, Panduranga Adulla P. Reddy, Umar Faruk Mansoor, Zhaoyang Meng, Lalanthi Dilrukshi Vitharana, Lianyun Zhao, Amit K. Mandal, Duan Liu, Shuyi Tang, Andrew McRiner, David B. Belanger, Patrick J. Curran, Chaoyang Dai, Angie R. Angeles, Liping Yang, Matthew Hersh Daniels
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Patent number: 8962608Abstract: The instant invention provides compounds of formula I which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.Type: GrantFiled: September 21, 2012Date of Patent: February 24, 2015Assignee: Merck Sharp & Dohme Corp.Inventors: Jason Brubaker, Christopher Dinsmore, Dawn Marie Hoffman, Joon Jung, Duan Liu, Scott Peterson, Tony Siu, Luis E. Torres, Hongjun Zhang, Zhongyong Wei, Feng Shi
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Patent number: 8901139Abstract: The present invention relates to Tricyclic Indole Derivatives, compositions comprising at least one Tricyclic Indole Derivatives, and methods of using the Tricyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.Type: GrantFiled: June 10, 2009Date of Patent: December 2, 2014Assignee: Merck Sharp & Dohme Corp.Inventors: Srikanth Venkatraman, Anilkumar Gopinadhan Nair, Kevin X. Chen, Francisco Velazquez, Qingbei Zeng, Duan Liu, Yueheng Jiang, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Stephen J. Gavalas, Patrick A. Pinto, Oleg B. Selyutin, Bancha Vibulbhan
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Patent number: 8883801Abstract: The present invention relates to certain pyrazolo[1,5-a]pyrimidine compounds of Formula (I) as inhibitors of mammalian Target Of Rapamycin (mTOR) kinase, which is also known as FRAP, RAFT, RAPT or SEP. The compounds may be used in the treatment of cancer and other disorders where mTOR is deregulated. The present invention further provides pharmaceutical compositions comprising the pyrazolo[1,5-a]pyrimidine compounds.Type: GrantFiled: August 22, 2011Date of Patent: November 11, 2014Assignee: Merck Sharp & Dohme Corp.Inventors: Lianyun Zhao, Duan Liu, Shuyi Tang, Amit K. Mandal, Umar Faruk Mansoor, Lalanthi Dilrukshi Vitharana, Panduranga Adulla P. Reddy, M. Arshad Siddiqui
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Publication number: 20140243309Abstract: The instant invention provides compounds of formula I which are JAK inhibitors, and as such are useful for the treatment of JAK-mediated diseases such as rheumatoid arthritis, asthma, COPD and cancer.Type: ApplicationFiled: September 21, 2012Publication date: August 28, 2014Inventors: Jason Brubaker, Christopher Dinsmore, Dawn Marie Hoffman, Joon Jung, Duan Liu, Scott Peterson, Tony Siu, Luis E. Torres, Hongjun Zhang, Zhongyong Wei, Feng Shi
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Patent number: 8703784Abstract: This invention relates to novel fused tricyclic compounds under Formula I that are inhibitors of mammalian Target of Rapamycin (mTOR) kinase, which is also known as FRAP, RAFT, RAPT or SEP, and are useful in the treatment of cellular proliferative diseases, for example cancer and other proliferative disorders.Type: GrantFiled: August 22, 2011Date of Patent: April 22, 2014Assignee: Merck Sharp & Dohme Corp.Inventors: Zhaoyang Meng, Panduranga Adulla P. Reddy, M. Arshad Siddiqui, Amit K. Mandal, Duan Liu, Lianyun Zhao, Andrew McRiner
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Patent number: 8609675Abstract: The present invention provides Fused Tricyclic Compounds of the Formula (I) wherein Q, R1, R2, R3, and R4 are as defined herein, and pharmaceutically acceptable salts of such Fused Tricyclic Compounds. The Fused Tricyclic Compounds are useful in the treatment of cancer and other proliferative disorders.Type: GrantFiled: June 30, 2010Date of Patent: December 17, 2013Assignee: Merck Sharp & Dohme Corp.Inventors: Cliff C. Cheng, Hongbo Zeng, Gerald W. Shipps, Jr., Yongqi Deng, Zhaoyang Meng, Lianyun Zhao, Yang Nan, Binyuan Sun, Duan Liu, Panduranga A. Reddy, M. Arshad Siddiqui
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Patent number: 8591943Abstract: The present invention provides methods for inhibiting mTOR using pyrazolo[1,5-a]pyrimidine compounds and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with mTOR using such compounds.Type: GrantFiled: April 8, 2010Date of Patent: November 26, 2013Assignee: Merck Sharp & Dohme Corp.Inventors: Yongqi Deng, Binyuan Sun, Hongbo Zeng, Matthew Richards, Gerald W. Shipps, Jr., Cliff C. Cheng, Yinyan Zhao, Andrew McRiner, Zhaoyang Meng, Yang Nan, Mehul F. Patel, Iwona E. Wrona, Panduranga Adulla Reddy, Brian M. Eklov, Shuyi Tang, Duan Liu, Amit K. Mandal, Lianyun Zhao, M. Arshad Siddiqui
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Publication number: 20130150353Abstract: This invention relates to novel fused tricyclic compounds that are inhibitors of mammalian Target of Rapamycin (mTOR) kinase, which is also known as FRAP, RAFT, RAPT or SEP, and are useful in the treatment of cellular proliferative diseases, for example cancer and other proliferative disorders.Type: ApplicationFiled: August 22, 2011Publication date: June 13, 2013Inventors: Zhaoyang Meng, Panduranga Adulla P. Reddy, M. Arshad Siddiqui, Amit K. Mandal, Duan Liu, Lianyum Zhao, Andrew McRiner
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Publication number: 20130150362Abstract: The present invention relates to certain pyrazolo[1,5-a]pyrimidine compounds of Formula (I) as inhibitors of mammalian Target Of Rapamycin (mTOR) kinase, which is also known as FRAP, RAFT, RAPT or SEP. The compounds may be used in the treatment of cancer and other disorders where mTOR is deregulated. The present invention further provides pharmaceutical compositions comprising the pyrazolo[1,5-a]pyrimidine compounds.Type: ApplicationFiled: August 22, 2011Publication date: June 13, 2013Applicant: MERCK SHARP & DOHME CORP.Inventors: Lianyun Zhao, Duan Liu, Shuyi Tang, Amit K. Mandal, Umar Faruk Mansoor, Lalanthi Dilrukshi Vitharana, Panduranga Adulla P. Reddy, M. Arshad Siddiqui
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Publication number: 20120322791Abstract: The present invention provides Pyrazolopyrimidine Compounds of Formula (I): wherein L, T, Z, U, V, W, R3, R6, R7, R8, and m are as defined herein, and pharmaceutically acceptable salts of such Pyrazolopyrimidine Compounds. The Pyrazolopyrimidine Compounds are useful in the treatment of cancer and other diseases or disorders wherein mTOR is deregulated.Type: ApplicationFiled: January 18, 2011Publication date: December 20, 2012Inventors: M. Arshad Siddiqui, Yang Nan, Mehul F. Patel, Panduranga Adulla P. Reddy, Umar Faruk Mansoor, Zhaoyang Meng, Lalanthi Dilrukshi Vitharana, Lianyun Zhao, Amit K. Mandal, Duan Liu, Shuyi Tang, Andrew McRiner, David B. Belanger, Patrick J. Curran, Chaoyang Dai, Angie R. Angeles, Liping Yang, Matthew Hersh Daniels
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Publication number: 20120178744Abstract: The present invention provides Fused Tricyclic Compounds of the Formula (I) wherein Q, R1, R2, R3, and R4 are as defined herein, and pharmaceutically acceptable salts of such Fused Tricyclic Compounds. The Fused Tricyclic Compounds are useful in the treatment of cancer and other proliferative disorders.Type: ApplicationFiled: June 30, 2010Publication date: July 12, 2012Inventors: Cliff C. Cheng, Hongbo Zeng, Gerald W. Shipps, JR., Yongqi Deng, Zhaoyang Meng, Lianyun Zhao, Yang Nan, Binyuan Sun, Duan Liu, Panduranga A. Reddy, M. Arshad Siddiqui
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Publication number: 20120114739Abstract: The present invention provides methods for inhibiting mTOR using pyrazolo[1,5-a]pyrimidine compounds and methods of treatment, prevention, inhibition, or amelioration of one or more diseases associated with mTOR using such compounds.Type: ApplicationFiled: April 8, 2010Publication date: May 10, 2012Inventors: Yongqi Deng, Binyuan Sun, Hongbo Zeng, Matthew Richards, Gerald W. Shipps, JR., Cliff C. Cheng, Yinyan Zhao, Andrew McRiner, Zhaoyang Meng, Yang Nan, Mehul F. Patel, Iwona E. Wrona, Panduranga Adulla Reddy, Brian M. Eklov, Shuyi Tang, Duan Liu, Amit K. Mandal, Lianyun Zhao, M. Asshad Siddiqui
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Publication number: 20110189127Abstract: The present invention relates to Tricyclic Indole Derivatives, compositions comprising at least one Tricyclic Indole Derivatives, and methods of using the Tricyclic Indole Derivatives for treating or preventing a viral infection or a virus-related disorder in a patient.Type: ApplicationFiled: June 10, 2009Publication date: August 4, 2011Inventors: Srikanth Venkatraman, Anilkumar Gopinadhan Nair, Kevin X. Chen, Francisco Valazquez, Qingbei Zeng, Duan Liu, Yueheng Jiang, Joseph A. Kozlowski, F. George Njoroge, Stuart B. Rosenblum, Stephen J. Gavalas, Patrick A. Pinto, Oleg B. Selyutin, Bancha Vibulbhan
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Patent number: 7538228Abstract: A chiral ligand represented by the formula and its enantiomer: wherein A, X, Y and Z are as defined in the specification is provided. Also provided is a process of making the chiral ligands and catalysts prepared from these ligands and a transition metal, a salt thereof or a complex thereof. In addition, a method of preparing an asymmetric compound by a transition metal catalyzed asymmetric reaction, such as, hydrogenation, hydride transfer reaction, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, hydrocarboxylation, allylic alkylation, epoxidation, cyclopropanation, Diels-Alder reaction, Aldol reaction, ene reaction, Heck reaction and Michael addition is provided.Type: GrantFiled: December 17, 2004Date of Patent: May 26, 2009Assignee: The Penn State Research FoundationInventors: Xumu Zhang, Duan Liu
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Publication number: 20050137403Abstract: A chiral ligand represented by the formula and its enantiomer: wherein A, X, Y and Z are as defined in the specification is provided. Also provided is a process of making the chiral ligands and catalysts prepared from these ligands and a transition metal, a salt thereof or a complex thereof. In addition, a method of preparing an asymmetric compound by a transition metal catalyzed asymmetric reaction, such as, hydrogenation, hydride transfer reaction, hydrosilylation, hydroboration, hydrovinylation, hydroformylation, hydrocarboxylation, allylic alkylation, epoxidation, cyclopropanation, Diels-Alder reaction, Aldol reaction, ene reaction, Heck reaction and Michael addition is provided.Type: ApplicationFiled: December 17, 2004Publication date: June 23, 2005Inventors: Xumu Zhang, Duan Liu