Patents by Inventor Xiao Xu

Xiao Xu 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: 10449196
    Abstract: The present invention relates to certain pyrrolopyrimidine derivatives, pharmaceutical compositions containing them, and methods of using them, including methods for the treatment of tumors and related diseases related to the dysregulation of kinase (such as EGFR (including HER), Alk, PDGFR, but not limited to) pathways.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: October 22, 2019
    Assignee: ACEA Therapeutics, Inc.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Publication number: 20190195861
    Abstract: A method of identifying a therapeutic compound for treating cancer in a human subject, the method including: providing a device that measures cell-substrate impedance; culturing cancer cells in the at least two wells, wherein the cancer cells are obtained from a human subject and have a receptor tyrosine kinase (RTK) pathway; adding to a first well a proposed therapeutic compound that affects an RTK pathway and an RTK stimulating factor for the RTK pathway to form a test well, and adding to another well the RTK stimulating factor to form a control well; continuously monitoring cell-substrate impedance of the at least two wells; and determining a difference in impedance or optionally in cell index between the test well and control well; and if significantly different, concluding the proposed therapeutic compound is therapeutically active in the RTK pathway within the cancer cells of the human subject.
    Type: Application
    Filed: December 31, 2018
    Publication date: June 27, 2019
    Inventors: Yama A. Abassi, Naichen Yu, Josephine Atienza, Xiao Xu, Xiaobo Wang
  • Publication number: 20190185709
    Abstract: A composition for planarizing a semiconductor device surface includes a catalyst, at least one solvent, and at least one polysiloxane resin including polysilsesquioxane blocks and polydisiloxane blocks. The polydisiloxane blocks are according to the general formula: wherein R1, R2 are each independently selected from the group consisting of: an aryl group or an alkyl group, with substituted or unsubstituted carbons.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 20, 2019
    Inventors: Helen Xiao Xu, Hong Min Huang
  • Publication number: 20190185708
    Abstract: A composition for planarizing a semiconductor device surface includes a silicon-based material and a cross-linker including a siloxane compound according to the general formula: wherein R is an aliphatic comprising group and R1, R2, R3, R4, R5, and R6 are each independently selected from the group consisting of: H or an alkyl group with substituted or unsubstituted carbons.
    Type: Application
    Filed: December 5, 2018
    Publication date: June 20, 2019
    Inventors: Hong Min Huang, Helen Xiao Xu
  • Publication number: 20190179848
    Abstract: A method includes obtaining an image selected from among the stored images, determining a target content of the selected image, identifying one or more images corresponding to the target content of the selected image, and displaying the one or more identified images.
    Type: Application
    Filed: December 7, 2018
    Publication date: June 13, 2019
    Inventor: Xiao XU
  • Patent number: 10254650
    Abstract: A composition for forming a coating is provided including at least one oxysilane-containing polymer or oligomer having an oxysilane group and at least one other organic crosslinkable group; an endcapping agent; and a solvent. A coated substrate, wherein the substrate is a silicon wafer or coated silicon wafer, includes an organic planarization layer in contact with the substrate, a photoresist layer, and a middle layer positioned between the organic planarization layer and the photoresist layer. The middle layer is formed from a composition including at least one oxysilane-containing polymer or oligomer having an oxysilane group and at least one other organic crosslinkable group, an endcapping agent; and a solvent.
    Type: Grant
    Filed: May 31, 2017
    Date of Patent: April 9, 2019
    Assignee: Honeywell International Inc.
    Inventors: Hong Min Huang, Chao Liu, Helen Xiao Xu
  • Patent number: 10215748
    Abstract: Use of impedance devices in methods of generating a time dependent cellular profiles (TCRP) for the modulation of oncogene addicted cells and comparing the impedance-based TCRP to controls or knowns to identify signature time dependent cellular profiles.
    Type: Grant
    Filed: February 23, 2012
    Date of Patent: February 26, 2019
    Assignee: ACEA Biosciences, Inc.
    Inventors: Yama A. Abassi, Li Zhao, Ning Ke, Xiaobo Wang, Xiao Xu
  • Patent number: 10168318
    Abstract: A method of identifying a potential therapeutic compound that affects a Receptor Tyrosine Kinase (RTK) pathway in cancer cells, which includes: providing a device capable of measuring cell-substrate impedance; culturing cancer cells in serum-free media in at least two wells of the device; adding to a first well a proposed therapeutic compound that affects a RTK pathway and a RTK stimulating factor for the RTK pathway to form a test well, and adding to another well the RTK stimulating factor to form a control well; continuously monitoring cell-substrate impedance of the at least two wells and optionally determining cell indices from the monitored cell-substrate impedance; and determining a difference in impedance or optionally cell index between the test well and control well; and if significantly different, concluding the proposed therapeutic compound is therapeutically active in the RTK pathway within the cancer cells.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: January 1, 2019
    Assignee: ACEA Biosciences, Inc.
    Inventors: Yama A. Abassi, Naichen Yu, Josephine Atienza, Xiao Xu, Xiaobo Wang
  • Publication number: 20180312510
    Abstract: Provided are methods of making certain pyrrolopyrimidine derivatives, which are useful in the treatment of proliferation disorders and other diseases related to the dysregulation of kinase (such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, BTK, FLT3 (D835Y), ITK, JAK1, JAK2, JAK3, TEC and TXK) and/or the respective pathways, salts, polymorphs, and amorphous forms of said compounds, synthetic intermediates for preparing said compounds, and pharmaceutical compositions comprising said compounds and methods for making such compositions.
    Type: Application
    Filed: June 30, 2016
    Publication date: November 1, 2018
    Applicant: ACEA THERAPEUTICS, INC.
    Inventors: Long MAO, Jia LIU, Yile CHEN, Yuning HUA, Kongen DAI, Yimei BAO, Bojie WENG, Xiaopeng MO, Jian WU, Xiao XU, Wanhong XU, Xiaobo WANG
  • Publication number: 20180306771
    Abstract: A system for monitoring cell-substrate impedance of excitable cells and monitoring the beating cycle of cardiomyocytes, the system including: a device for monitoring cell-substrate impedance at 20 millisecond time resolution, the device having one or more wells on a nonconductive substrate, wherein at least one well of the one or more wells comprises an electrode array fabricated on the substrate for measurement of cell-substrate impedance at 20 millisecond time resolution; an impedance analyzer that measures cell-substrate impedance from the at least one well at 20 millisecond time resolution; electronic circuitry that electrically connects the electrode array from the at least one well to the impedance analyzer; and a software program that analyzes the measured cell-substrate impedance.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 25, 2018
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20180251475
    Abstract: The present invention relates to pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment and/or prevention of a proliferation disorder, a cancer, a tumor, an inflammatory disease, an autoimmune disease, psoriasis, dry eye or an immunologically related disease, and in some embodiments diseases or disorders related to the dysregulation of kinase such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, FLT3(D835Y), ITK, TEC, TXK, BTK, or JAK, and the respective pathways.
    Type: Application
    Filed: January 29, 2018
    Publication date: September 6, 2018
    Inventors: Xiao XU, Xiaobo WANG, Long MAO, Li ZHAO, Biao XI
  • Patent number: 10067121
    Abstract: Use of cell-substrate impedance based methods for screening for agonists of G-Protein Coupled Receptors (GPCRs) or inhibitors of a Receptor Tyrosine Kinases (RTKs), identifying compounds that affect GPCR or RTK pathways, validating molecular targets involved in a GPCR or RTK signaling pathways, monitoring dose-dependent functional activation of GPCR or RTK; determining desensitization of a GPCR and identifying a compound capable of affecting RTK activity in cancer cell proliferation.
    Type: Grant
    Filed: November 13, 2014
    Date of Patent: September 4, 2018
    Assignee: ACEA Biosciences, Inc.
    Inventors: Yama A. Abassi, Naichen Yu, Josephine Atienza, Xiao Xu, Xiaobo Wang
  • Publication number: 20180246079
    Abstract: Methods of assessing cytolysis of cancer cells, including providing a cell-substrate impedance monitoring device operably connected to an impedance analyzer, wherein the device comprises a well for receiving cells and an electrode array at a base of the well; adding target cells characterized as cancer cells to the well; adding effector cells to the well to form a test well, wherein the effector cells are immune cells obtained or derived from a same patient as the target cells; monitoring cell-substrate impedance of the test well before and after adding the effector cells and optionally deriving an impedance-based parameter from the impedance; and determining effectiveness of effector cell killing of the target cells by comparing the impedance or impedance based parameter over time.
    Type: Application
    Filed: November 21, 2016
    Publication date: August 30, 2018
    Inventors: Xiaobo Wang, Yama A Abassi, Nan Li, Lincoln Muir, Xiao Xu
  • Publication number: 20180208796
    Abstract: A composition for planarizing a semiconductor device surface includes poly(methyl silsesquioxane) resin, at least one of a quaternary ammonium salt and an aminopropyltriethoxysilane salt, and at least one solvent. The poly(methyl silsesquioxane) resin ranges from 1 wt. % to 40 wt. % of the composition. The poly(methyl silsesquioxane) resin has a weight average molecular weight between 500 Da and 5,000 Da. The at least one of the quaternary ammonium salt and the aminopropyltriethoxysilane salt ranges from 0.01 wt. % to 0.20 wt. % of the composition. The at least one solvent comprises the balance of the composition.
    Type: Application
    Filed: August 30, 2017
    Publication date: July 26, 2018
    Inventors: Yamini Pandey, Helen Xiao Xu, Joseph T. Kennedy
  • Patent number: 10018581
    Abstract: A method for assaying target molecules in a sample liquid, the method comprising: providing an impedance monitoring device operably connected to an impedance analyzer; adding a sample liquid suspected of having target molecules to the well thereby permitting binding of target molecules to the capture molecules; monitoring impedance of the well; and determining the presence, amount or concentration of target molecules in the liquid sample from the monitored impedance. The device includes a nonconducting substrate having a well, at least two electrodes fabricated on a bottom of the well and on a same plane, wherein the surfaces of the at least two electrodes are modified with capture molecules configured to bind target molecules in a liquid sample, and at least two connection pads electrically connected to the at least two electrodes.
    Type: Grant
    Filed: March 13, 2013
    Date of Patent: July 10, 2018
    Assignee: ACEA Biosciences, Inc.
    Inventors: Xiaobo Wang, Xiao Xu
  • Patent number: 10012636
    Abstract: A system for monitoring impedance of excitable cells in vitro, which includes a device for monitoring cell-substrate impedance at 20 millisecond resolution, which includes a nonconductive substrate with one or more electrode arrays fabricated in one or more wells, wherein cell attachment on the substrate can result in a detectable change in impedance between electrodes within each electrode array; an impedance analyzer capable of impedance measurement at 20 millisecond time resolution; electronic circuitry that can engage said device and selectively connect said two or more electrode arrays of said device to said impedance analyzer; and a software program that controls said electronic circuitry and records and analyzes data obtained from said impedance analyzer.
    Type: Grant
    Filed: July 17, 2017
    Date of Patent: July 3, 2018
    Assignee: ACEA Biosciences, Inc.
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20180095064
    Abstract: A system for monitoring impedance of excitable cells in vitro, which includes a device for monitoring cell-substrate impedance at 20 millisecond resolution, which includes a nonconductive substrate with one or more electrode arrays fabricated in one or more wells, wherein cell attachment on the substrate can result in a detectable change in impedance between electrodes within each electrode array; an impedance analyzer capable of impedance measurement at 20 millisecond time resolution; electronic circuitry that can engage said device and selectively connect said two or more electrode arrays of said device to said impedance analyzer; and a software program that controls said electronic circuitry and records and analyzes data obtained from said impedance analyzer.
    Type: Application
    Filed: July 17, 2017
    Publication date: April 5, 2018
    Inventors: Xiaobo Wang, Yama A. Abassi, Biao Xi, Wen Fu Zhang, Xiao Xu
  • Publication number: 20180089234
    Abstract: An action corrections system includes an interface and a processor. The interface is configured to receive generic data and proprietary data. The processor is configured to determine a generic data entity; match the generic data entity to a proprietary data entity to form a joined entity; determine a response variable from the proprietary data; determine a need for action corrections in regards to the joined entity based at least in part on the response variable; and determine one or more action corrections in regards to the joined entity.
    Type: Application
    Filed: September 27, 2016
    Publication date: March 29, 2018
    Inventors: Austen Head, Xiao Xu, Brian Axe, Ian Gregg
  • Patent number: 9920074
    Abstract: The present invention relates to pharmaceutical compounds, compositions and methods, especially as they are related to compositions and methods for the treatment and/or prevention of a proliferation disorder, a cancer, a tumor, an inflammatory disease, an autoimmune disease, psoriasis, dry eye or an immunologically related disease, and in some embodiments diseases or disorders related to the dysregulation of kinase such as, but not limited to, EGFR (including HER), Alk, PDGFR, BLK, BMX/ETK, FLT3(D835Y), ITK, TEC, TXK, BTK, or JAK, and the respective pathways.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: March 20, 2018
    Assignee: ACEA BIOSCIENCES INC.
    Inventors: Xiao Xu, Xiaobo Wang, Long Mao, Li Zhao, Biao Xi
  • Patent number: D839942
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: February 5, 2019
    Assignee: ABB Schweiz AG
    Inventors: Tao Feng, Xiao Xu, Jing Wu, Zhen Shi, Junjie Hu, Peng Kong