Patents by Inventor Yansheng Du

Yansheng Du 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: 20200308547
    Abstract: Stem cell conditioned media and methods of producing the same to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury. A stem cell culture supernatant containing at least one factor capable of exerting effective neuroprotection to treat a mammalian neural injury or insult.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 1, 2020
    Applicant: NeuroFx, Inc.
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Patent number: 10683482
    Abstract: Methods of producing stem cell conditioned media to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: June 16, 2020
    Assignee: NeuroFx, Inc.
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Publication number: 20180187159
    Abstract: Methods of producing stem cell conditioned media to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 5, 2018
    Applicant: NeuroFx, Inc.
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Patent number: 9856455
    Abstract: Methods of producing stem cell conditioned media to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: January 2, 2018
    Assignee: NeuroFx, Inc.
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Patent number: 9532967
    Abstract: Disclosed is the use of the compounds represented by formula (I) in the preparation of a medicament against tumor angiogenesis, wherein R1 and R2 are each independently C1-C8 alkylidene group or C2-C8 alkenylidene group; A1 and A2 are each independently aryl, isoaryl, or aryl or isoaryl optionally substituted by halogen, —CN, —NO2, —OH, —SH, —OR3, —SR3, —R3, —R3—OR4, —C(O)R3, —S(O)R3, —S(O)2R3, —NR4R5, —C(O)OR3, —C(O)NR4R5, —O(O)CR4, —S(O)CR4 or —NR4(O)CR5, wherein R3 is C1-C4 alkyl, R4 and R5 are each independently hydrogen, C1-C4 alkyl, aryl or substituted aryl; and X and Y are each independently oxygen; and the compound of formula (I) does not include phenethyl caffeate.
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: January 3, 2017
    Inventors: Junyi Liu, Yansheng Du, Jirun Peng, Zhizhong Ma
  • Publication number: 20160145576
    Abstract: Methods of producing stem cell conditioned media to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury.
    Type: Application
    Filed: November 23, 2015
    Publication date: May 26, 2016
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Patent number: 9192632
    Abstract: Methods of producing stem cell conditioned media to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury. In another embodiment, the step of culturing comprises culturing the at least one stem cell in EGM2MV.
    Type: Grant
    Filed: May 22, 2012
    Date of Patent: November 24, 2015
    Assignee: NeuroFx, Inc.
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Patent number: 9040579
    Abstract: A pharmaceutical composition containing a mitochondrial electron transport chain enhancer (or an antioxidant) and a compound of formula (I) shown in the specification. This pharmaceutical composition can be used to treat neurodegenerative disorders.
    Type: Grant
    Filed: October 18, 2011
    Date of Patent: May 26, 2015
    Assignee: Chemigen
    Inventor: Yansheng Du
  • Patent number: 8993621
    Abstract: This invention relates to caffeic acid derivatives and improving viability of neuronal cells by contacting neuronal cells by caffeic acid derivatives as shown in the specification.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: March 31, 2015
    Assignee: Chemigen, Inc.
    Inventors: Junyi Liu, Yansheng Du
  • Publication number: 20140079802
    Abstract: Methods to treat nervous system conditions. In at least one embodiment of a method of treating a mammalian patient having a neuronal injury or insult of the present disclosure, the method comprises the step of administering a therapeutically-effective dose of a stem cell conditioned medium to a mammalian patient, the stem cell conditioned medium comprising a cell culture supernatant containing at least one factor capable of exerting effective neuroprotection to treat a mammalian neural injury or insult.
    Type: Application
    Filed: September 5, 2013
    Publication date: March 20, 2014
    Inventors: Keith Leonard March, Brian H. Johnstone, Yansheng Du
  • Publication number: 20140033715
    Abstract: A main stream temperature control system for a large boiler comprises a PID module, A/D converters (M2, M3, M4, and M5), D/A converters (M6 and M7), electrical water spray adjusting valves (AA101 and AA102) and main stream temperature sensors (T1, T2, T3, and T4) for the boiler. The system uses a function module (f (x)), a differential module, a division module, multiplication modules (F1 and F2), addition and subtraction modules (J1, J2, J3, and J4), set value modules (K1-K6), selection modules (N1 and N2), a time pulse module (S1) and small value comparison modules (Z1 and Z2) in a distributed control system, so as to construct a real-time online optimized circuit and form an independent automatic control system for dynamic tracking and stable control, thereby increasing the thermal economic index of the boiler, and achieving the objective of energy saving and emission reduction.
    Type: Application
    Filed: August 29, 2011
    Publication date: February 6, 2014
    Applicants: SHANXI ELECTRIC POWER RESEARCH INSTITUTE, SHANXI ELECTRIC POWER COMPANY
    Inventors: Zijun Ni, Chanbao Zhang, Qiugang Duan, Bing Zhang, Zhiqiang Long, Xiaojun Ma, Lihua Du, Lihua Hao, Yanwen Liu, Zhiyu Ni, Hong Yang, Yansheng Du
  • Publication number: 20130303611
    Abstract: Disclosed is the use of the compounds represented by formula (I) in the preparation of a medicament against tumor angiogenesis, wherein R1 and R2 are each independently C1-C8 alkylidene group or C2-C8 alkenylidene group; A1 and A2 are each independently aryl, isoaryl, or aryl or isoaryl optionally substituted by halogen, —CN, —NO2, —OH, —SH, —OR3, —SR3, —R3, —R3—OR4, —C(O)R3, —S(O)R3, —S(O)2R3, —NR4R5, —C(O)OR3, —C(O)NR4R5, —O(O)CR4, —S(O)CR4 or —NR4(O)CR5, wherein R3 is C1-C4 alkyl, R4 and R5 are each independently hydrogen, C1-C4 alkyl, aryl or substituted aryl; and X and Y are each independently oxygen; and the compound of formula (I) does not include phenethyl caffeate.
    Type: Application
    Filed: December 8, 2011
    Publication date: November 14, 2013
    Inventors: Junyi Liu, Yansheng Du, Jirun Peng, Zhizhong Ma
  • Patent number: 8487125
    Abstract: A method for producing caffeic acid phenyl ester and its analogues, which includes the steps of: (i) reacting, in a solvent, a salt of a compound of formula (II) with an organic halide having the formula X—R2-A2 in the presence of an iodide catalyst having the formula M-I to produce caffeic acid phenyl ester or its analogue, wherein A1, R1, Q, Y, X, R2, and M are defined herein; and (ii) isolating the caffeic acid phenyl ester or its analogue from the solvent.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: July 16, 2013
    Assignee: Chemigen
    Inventors: Junyi Liu, Yansheng Du
  • Publication number: 20120294949
    Abstract: Methods of producing stem cell conditioned media to treat mammalian injuries or insults. In at least one embodiment of a method of producing a stem cell conditioned media of the present disclosure, the method comprises the steps of culturing at least one stem cell in a first cell culture medium, replacing some or all of the first cell culture medium with a second cell culture medium and further culturing the at least one stem cell in the second cell culture medium, and collecting a quantity of the second cell culture medium after a culture duration, wherein the quantity of the second cell culture medium contains a cell culture byproduct effective to treat a mammalian insult or injury. In another embodiment, the step of culturing comprises culturing the at least one stem cell in EGM2MV.
    Type: Application
    Filed: May 22, 2012
    Publication date: November 22, 2012
    Inventors: Brian H. Johnstone, Keith Leonard March, Yansheng Du
  • Publication number: 20120100122
    Abstract: A pharmaceutical composition containing a mitochondrial electron transport chain enhancer (or an antioxidant) and a compound of formula (I) shown in the specification. This pharmaceutical composition can be used to treat neurodegenerative disorders.
    Type: Application
    Filed: October 18, 2011
    Publication date: April 26, 2012
    Applicant: ChemiGen
    Inventor: Yansheng Du
  • Publication number: 20120064030
    Abstract: Methods of treating nervous system conditions. In at least one embodiment of a method of treating a mammalian patient having a neuronal injury or insult of the present disclosure, the method comprises the step of administering a therapeutically-effective dose of a stem cell conditioned medium to a mammalian patient, the stem cell conditioned medium comprising a cell culture supernatant containing at least one factor capable of exerting effective neuroprotection to treat a mammalian neural injury or insult.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 15, 2012
    Inventors: Brian H. Johnstone, Keith Leonard March, Yansheng Du
  • Publication number: 20120064029
    Abstract: Compositions for treating nervous system conditions. In at least one embodiment of a stem cell conditioned medium of the present disclosure, the stem cell comprises a cell culture supernatant containing at least one factor capable of exerting effective neuroprotection to treat a mammalian neural injury or insult, the cell culture supernatant produced by culturing at least one mammalian adipose stem cell to produce the at least one factor.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 15, 2012
    Inventors: Brian H. Johnstone, Keith Leonard March, Yansheng Du
  • Patent number: 8021882
    Abstract: A method for producing stem cell conditioned media for treatment of neurological insults is provided herein. By providing for the culture of adipose stem cells, and collecting the supernatants thereof, the supernatants have been shown to effect biological activity in preventing neural death when the supernatants are administered to a patient that has or is about to be subjected to a neural insult.
    Type: Grant
    Filed: August 24, 2007
    Date of Patent: September 20, 2011
    Inventors: Brian H. Johnstone, Keith Leonard March, Yansheng Du
  • Publication number: 20110046410
    Abstract: A method for producing caffeic acid phenyl ester and its analogues, which includes the steps of: (i) reacting, in a solvent, a salt of a compound of formula (II) with an organic halide having the formula X—R2-A2 in the presence of an iodide catalyst having the formula M-I to produce caffeic acid phenyl ester or its analogue, wherein A1, R1, Q, Y, X, R2, and M are defined herein; and (ii) isolating the caffeic acid phenyl ester or its analogue from the solvent.
    Type: Application
    Filed: August 19, 2009
    Publication date: February 24, 2011
    Applicant: Chemigen
    Inventors: Junyi Liu, Yansheng Du
  • Publication number: 20100160433
    Abstract: A method of treating a neurodegenerative or cardiovascular disorder with a compound of the following formula: in which X, Y, A1, A2, R1, and R2 are defined herein.
    Type: Application
    Filed: February 18, 2010
    Publication date: June 24, 2010
    Applicant: Yangsheng Du
    Inventors: Yansheng Du, Martin R. Farlow, Ruyu Du