Patents Examined by Karen Cheng
  • Patent number: 11958976
    Abstract: Provided are a photoactive fluorophore, a photoactive ligand, and a photoactive complex. The photoactive fluorophore includes a photoactivatable derivative of an azetidine-containing Janelia-Fluor dye. The photoactive ligand includes a photoactive fluorophore and a protein tag. The photoactive complex includes a photoactive ligand conjugated to a protein. Also provided are methods of in vivo labeling with and photoactivation of the photoactive fluorophore, ligand, and complex.
    Type: Grant
    Filed: October 27, 2022
    Date of Patent: April 16, 2024
    Assignee: HOWARD HUGHES MEDICAL INSTITUTE
    Inventors: Luke D. Lavis, Jonathan B. Grimm
  • Patent number: 11952355
    Abstract: Provided are a method of preparing a malononitrile oxime ether compound and an intermediate compound. The malononitrile oxime ether compound has a structure as shown in formula (VII), wherein W is selected from aryl or heteroaryl. The preparation method comprises: reacting a first raw material with a second raw material in the presence of a first solvent and a catalyst to obtain the intermediate compound, wherein the first raw material has a structure as shown in formula (IV), and the second raw material has a structure as shown in formula (V); and subjecting the intermediate compound, and a dehydrant to a dehydration reaction in the present of a second solvent to obtain the malononitrile oxime ether compound. Furthermore, the malononitrile oxime ether compound is obtained through one-step dehydration reaction. using the preparation method, is advantageous for improving the yield of malononitrile oxime ethers and reducing the cost.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: April 9, 2024
    Assignee: Shenyang Sinochem Agrochemicals R&D Co., Ltd.
    Inventors: Hongfei Wu, Xueming Cheng, Libao Xu, Chunxiao Guo, Jingbo Xu, Ningning Sun, Haibo Yu
  • Patent number: 11952357
    Abstract: The present disclosure relates to the field of epoxide resin, and more particularly to an epoxide with a low total chlorine content and no heavy metal residues, and a preparation method thereof. Disclosed is an epoxide prepared from raw materials including an unsaturated cycloaliphatic compound containing a double bond, hydrogen peroxide, an organic acid compound, a solvent and an alkaline salt; wherein a molar ratio of the organic acid compound to the unsaturated cycloaliphatic compound containing a double bond is (1-1.5):1. The obtained epoxides obtained in the present disclosure have a high purity, a high yield, a low solvent content, low chroma, and a low chlorine and metal ion content; the reaction system is simple, environmentally friendly, safe and controllable, and the production cost is low, which can meet the technical and economic requirements and are suitable for large-scale industrial production.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: April 9, 2024
    Assignee: JIANGSU TETRA NEW MATERIAL TECHNOLOGY CO., LTD.
    Inventors: Jianwei Han, Quan Jia, Yangjun Chang, Xiangming Cao
  • Patent number: 11952397
    Abstract: This invention relates to crystalline forms of anhydrous Compound (1) and pharmaceutical compositions thereof. Also disclosed herein are methods of making crystalline solid forms of Compound (1), and methods of using the crystalline forms of Compound (1) and pharmaceutical compositions thereof for modulating GABA activity (e.g., positive allosteric modulation of GABA activity) and treating CNS-related disorders.
    Type: Grant
    Filed: August 2, 2023
    Date of Patent: April 9, 2024
    Assignee: Sage Therapeutics, Inc.
    Inventors: Shanming Kuang, Tianrui Li
  • Patent number: 11939291
    Abstract: The present technology provides compounds according to Formula I or Formula III as well as compositions including such compounds useful for the treatment of metastatic cancer and/or glaucoma.
    Type: Grant
    Filed: April 9, 2021
    Date of Patent: March 26, 2024
    Assignees: University of Kansas, University of South Florida
    Inventors: Sanket Jaiprakash Mishra, Brian S. J. Blagg, Chad Anthony Dickey
  • Patent number: 11932594
    Abstract: An 8-((2-hydroxy-5-methylphenyl)diazenyl)naphthalene-1,3-disulfonic acid compound, its synthesis, and its use as an antioxidant agent.
    Type: Grant
    Filed: October 31, 2023
    Date of Patent: March 19, 2024
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Hany Mohamed Abd El-Lateef Ahmed, Mai Mostafa Khalaf Ali, Antar Ahmed Abdelhamid Ahmed, Amer A. Amer
  • Patent number: 11926642
    Abstract: The invention relates to compounds of formula I wherein R1, R2 and - - - - - are as defined herein, pharmaceutical compositions comprising the compounds and methods of treating COVID-19 in a patient by administering therapeutically effective amounts of the compounds and methods of inhibiting or preventing replication of SARS-CoV-2 with the compounds.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: March 12, 2024
    Assignee: Pfizer inc.
    Inventors: Robert Steven Kania, Padmavani Bezawada, Emma Louise Hawking, Rohit Jaini, Samir Kulkarni, Matthew Nathan O'Brien Laramy, Jonathan Richard Lillis, Suman Luthra, Dafydd Rhys Owen, Klimentina Dimitrova Pencheva, Anil Mahadeo Rane, Matthew Forrest Sammons, Bradley Paul Sullivan, Andrew John Thiel, Martyn David Ticehurst, Jamison Bryce Tuttle, Robert Louis Hoffman
  • Patent number: 11919896
    Abstract: Disclosed are a [1,2,4]triazolo[1,5-a]pyridine compound as JAK inhibitor and an application thereof in preparing a drug for treating a disease related to JAK1 or/and TYK2. Specifically, the present invention relates to a compound represented by formula (I), or an isomer or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: March 5, 2024
    Assignee: ZHUHAI UNITED LABORATORIES CO., LTD.
    Inventors: Weiwei Mao, Wenyuan Qian, Xuejian Zheng, Guoping Hu, Changqing Wei, Jian Li, Shuhui Chen
  • Patent number: 11912679
    Abstract: [Problem] A compound which is useful as a STING inhibitor is provided. [Means for Solution] The present inventors have found aryl alkynamide derivatives having an inhibitory action on STING. The aryl alkynamide derivatives of the present invention have an inhibitory action on STING and can be used as an agent for treating an autoimmune disease, a neurodegenerative disease, a type I interferonopathy and/or other STING-mediated disease.
    Type: Grant
    Filed: September 26, 2023
    Date of Patent: February 27, 2024
    Assignees: Astellas Pharma, Inc., Mitobridge, Inc.
    Inventors: Junko Maeda, Ikumi Kuriwaki, Kai Kitamura, Yumi Yamashita, Kenichi Kakefuda, Akio Kamikawa, Kenji Negoro, Wataru Hamaguchi, Ryushi Seo, Jeffrey Ciavarri
  • Patent number: 11905259
    Abstract: A 2-(benzo[d]oxazol-2-yl)-N?-(4-(dimethylamino)benzoyloxy)acetimidamide compound, its synthesis, and its use as an antimicrobial agent.
    Type: Grant
    Filed: October 23, 2023
    Date of Patent: February 20, 2024
    Assignee: KING FAISAL UNIVERSITY
    Inventors: Hany Mohamed Abd El-Lateef Ahmed, Mai Mostafa Khalaf Ali, Antar Ahmed Abdelhamid Ahmed, Amer A. Amer
  • Patent number: 11897898
    Abstract: Provided are compounds of Formula (I?), including compounds of Formulas (I), (II), (III), (IIIA) and (IIIB), wherein L, R1, R3 and n are as defined herein, and pharmaceutically acceptable salts thereof, and methods for their use and production. These compounds can be useful, e.g., in the treatment of disorders responsive to the inhibition of apoptosis signal-regulating kinase 1 (ASK1).
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: February 13, 2024
    Assignee: BIOGEN MA INC.
    Inventor: Felix Gonzalez Lopez de Turiso
  • Patent number: 11866430
    Abstract: Disclosed are compounds of Formula (I): or a salt thereof, wherein: R1, R2, R3, and R4 are defined herein. Also disclosed are methods of using such compounds to inhibit the activity of one or both of diacylglycerol kinase alpha (DGK ?) and diacylglycerol kinase zeta (DGK?), and pharmaceutical compositions comprising such compounds. These compounds are useful in the treatment of viral infections and proliferative disorders, such as cancer.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: January 9, 2024
    Assignee: Bristol-Myers Squibb Company
    Inventors: Louis S. Chupak, Min Ding, Robert G. Gentles, Yazhong Huang, Scott W. Martin, Ivar M. Mcdonald, Stephen E. Mercer, Richard E. Olson, Upender Velaparthi, Michael Wichroski, Xiaofan Zheng
  • Patent number: 11858910
    Abstract: A pyridinylmethylenepiperidine derivatives and uses thereof, specifically, the present invention relates to a novel pyridinylmethylenepiperidine compound and a pharmaceutical composition containing this compound, which may be used for activating 5-HT1F receptor. The present invention also relates to methods of preparing this compound and pharmaceutical composition, and their use in the manufacture of a medicament for treating a 5-HT1F receptor-related disease, especially migraine.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: January 2, 2024
    Assignee: SUNSHINE LAKE PHARMA CO., LTD.
    Inventors: Chuanfei Jin, Wenhe Zhong, Yaping Xue
  • Patent number: 11834425
    Abstract: A full continuous-flow preparation method of vitamin B1 includes: (S1) feeding 3-chloro-4-oxopentyl acetate, 2-methyl-4-amino-5-(aminomethyl) pyrimidine and carbon disulfide to a first continuous-flow reactor for addition; (S2) allowing the reaction mixture to flow into a first continuous filtration and reaction device to collect a filter cake; subjecting the filter cake and hydrochloric acid solution to cyclization; transporting the reaction mixture and an aqueous inorganic base solution to a micromixer and a second continuous-flow reactor for hydrolysis to obtain thiothiamine; (S3) transporting the thiothiamine to a third continuous-flow reactor with hydrogen peroxide for oxidation to obtain thiamine sulfate; and (S4) allowing the thiamine sulfate to enter a second continuous filtration and reaction device for filtration to collect a filter cake; and subjecting the filter cake to reaction with organic hydrochloric acid solution followed by filtration and drying to obtain vitamin B1.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: December 5, 2023
    Assignee: Fudan University
    Inventors: Fener Chen, Meifen Jiang, Minjie Liu, Yingqi Xia, Weijian Li
  • Patent number: 11186580
    Abstract: The present invention relates to salts and crystalline forms of 2-(3-(8-Amino-6-(trifluoromethyl)imidazo[1,2-a]pyrazin-3-yl)-4-methylphenyl)-3,3,3-trifluoro-2-hydroxypropanamide, crystalline forms of 8-amino-N-(2-hydroxy-2-methylpropyl)-3-(2-methyl-5-(1,1,1-trifluoro-2-hydroxypropan-2-yl)phenyl)imidazo[1,2-a]pyrazine-6-carboxamide, and crystalline forms of 8-amino-N-(2-hydroxy-2-methylpropyl)-3-(2-(methyl-d3)-5-(1,1,1-trifluoro-2-hydroxypropan-2-yl)phenyl)imidazo[1,2-a]pyrazine-6-carboxamide, which are PI3K inhibitors useful in the treatment of cancer and other diseases.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: November 30, 2021
    Assignee: Incyte Corporation
    Inventors: Brent Douty, David M. Burns, Andrew P. Combs, Zhongjiang Jia, Daniel Levy, Eddy W. Yue
  • Patent number: 11173144
    Abstract: Adrenergic receptor modulating compounds and methods of using the same are provided. Also provided are methods of treating a subject for a disease or condition associated with an adrenergic receptor including administering a therapeutically effective amount of the subject compound. Aspects of the disclosure include a method of modulating an inflammatory pathway in a cell, such as the production of TNF-alpha in the cell. The method can include contacting a cell with ?1-selective adrenergic receptor modulating compound to selectively activate a cAMP pathway over a beta-arrestin pathway in the cell. Pharmaceutical compositions and kits which include the subject compounds are provided.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: November 16, 2021
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Mehrdad Shamloo, Alam Jahangir, Bitna Yi, Andrew Kelley Evans, Michael John Green
  • Patent number: 11174246
    Abstract: Disclosed are benzimidazole compounds, as well as pharmaceutical compositions and methods of use thereof. One embodiment is a compound having the structure and pharmaceutically acceptable salts, prodrugs and N-oxides thereof (and solvates and hydrates thereof), wherein R1, R2, R3, R4, Y and X are as described herein. In certain embodiments, a compound disclosed herein activates AMPK, and can be used to treat disease by activating the AMPK pathway.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: November 16, 2021
    Assignee: Rigel Pharmaceuticals, Inc.
    Inventors: Simon Shaw, Xiang Xu, Sarkiz Issakani, Rajinder Singh, Yasumichi Hitoshi, Matthew Duncton, Nan Lin
  • Patent number: 11168058
    Abstract: The present disclosure relates to crystalline particles of N—((S)-1-(3-(3-chloro-4-cyanophenyl)-1H-pyrazol-1-yl)-propan-2-yl)-5-(1-hydroxyethyl)-1H-pyrazole-3-carboxamide (I) having specific surface area (SSA) in the range from about 8 to about 16 m2/g, preferably from about 10 to about 15 m2/g, and to the method for the preparation of such particles. Compound (I) is a potent androgen receptor (AR) modulator which is useful as a medicament for example in the treatment of prostate cancer.
    Type: Grant
    Filed: February 27, 2018
    Date of Patent: November 9, 2021
    Assignee: ORION CORPORATION
    Inventors: Merja Reunanen, Anna Staffans
  • Patent number: 11160810
    Abstract: The invention provides a compound of formula 1 or a pharmaceutically-acceptable salt thereof, that is useful as a JAK inhibitor. The invention also provides crystalline forms of the compound, pharmaceutical compositions comprising the compound, methods of using the compound to treat diseases amenable to a JAK inhibitor, and processes and intermediates useful for preparing the compound.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: November 2, 2021
    Assignee: Theravance Biopharma R&D IP, LLC
    Inventors: Robert Murray McKinnell, Venkat R. Thalladi, Hao Zhang, Paul R. Fatheree, Lan Jiang, Marta Dabros, Jerry Nzerem
  • Patent number: 11154539
    Abstract: The invention provides a compound for use in the treatment of T-Cell Acute Lymphoblastic Leukaemia (T-ALL), the compound having the formula (1): or being a pharmaceutically acceptable salt thereof; wherein: n is 0, 1 or 2; Ar1 is selected from an optionally substituted phenyl, pyridyl, thienyl and furanyl; Q1 is selected from C(?O), S(?O) and SO2; A is absent or is NR2; R1 is selected from: hydrogen; an optionally substituted C1-6 non-aromatic hydrocarbon group; and optionally substituted 3- to 7-membered non-aromatic carbocyclic and heterocyclic rings containing one or two heteroatom ring members selected from O, N and S, and bridged bicyclic heterocyclic rings of seven to nine ring members of which one or two are nitrogen atoms, the carbocyclic and heterocyclic rings and bridged bicyclic heterocyclic rings; R2 is selected from hydrogen and C1-4 alkyl; or NR1R2 forms an optionally substituted 4- to 7-membered non-aromatic nitrogen-containing heterocyclic ring optionally containing a second hete
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: October 26, 2021
    Assignee: Sareum Limited
    Inventor: John Charles Reader