Patents by Inventor Chiang Jia Li

Chiang Jia Li 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: 20180193303
    Abstract: The invention provides naphthofuran compounds, polymorphs of naphthofuran compounds, naphthofuran compounds in particle form, purified compositions that contain one or more naphthofuran compounds, purified compositions that contain one or more naphthofuran compounds in particle form, methods of producing these naphthofuran compounds, polymorphs, purified compositions and/or particle forms, and methods of using these naphthofuran compounds, polymorphs, purified compositions and/or particle forms to treat subjects in need thereof.
    Type: Application
    Filed: January 5, 2018
    Publication date: July 12, 2018
    Inventors: Chiang Jia LI, David LEGGETT, Youzhi LI, Wei LI
  • Publication number: 20180111914
    Abstract: The present invention provides compounds represented by formula (1A), or pharmaceutically acceptable salts. Compounds represented by formula (1A), or pharmaceutically acceptable salts thereof, wherein A1 and A2 are identical or different, and each independently —C(?O) B, —C(?O)CR3AR3BB, —CO2B, —C(?S)OB, —CONR3CB, —C(?S)NR3CB, a hydrogen atom, or the like, wherein A1 and A2 are not both hydrogen atoms, wherein B is an optionally substituted 3- to 12-membered monocyclic or polycyclic heterocyclic group, an optionally substituted 3- to 12-membered cyclic amino group, or a group represented by the following formula (B), wherein the 3- to 12-membered monocyclic or polycyclic heterocyclic group and the 3- to 12-membered cyclic amino group have at least one or more secondary nitrogen atoms in the ring; R1 is a hydrogen atom or the like; R2A, R2B, R2C, and R2D are identical or different, and each independently a hydrogen atom or the like; and R8 is alkyl. wherein * denotes a bonding position.
    Type: Application
    Filed: March 25, 2016
    Publication date: April 26, 2018
    Applicants: BOSTON BIOMEDICAL, INC., SUMITOMO DAINIPPON PHARMA CO., LTD.
    Inventors: Hitoshi BAN, Seiji KAMIOKA, Yusuke SAWAYAMA, Chiang Jia LI
  • Publication number: 20180030022
    Abstract: The present invention relates to the use of a novel class of cancer stem cell pathway (CSCP) inhibitors; to methods of using such compounds to treat refractory, recurrent, or metastatic cancers; to methods of selective killing cancer cells by using such compounds with specific administration regimen; to methods of targeting cancer stem cells by inhibiting Stat3 pathway; to methods of using novel compounds in the treatment of conditions or disorders in a mammal related to aberrant Stat3 pathway activity; and to processes for preparing such compounds and intermediates thereof, and to the pharmaceutical compositions of relevant compounds, and to the specific methods of administration of these compounds.
    Type: Application
    Filed: July 20, 2017
    Publication date: February 1, 2018
    Applicant: Boston Biomedical, Inc.
    Inventors: Chiang Jia Li, Harry Rogoff, Youzhi Li, Jifeng Liu, Wei Li
  • Publication number: 20180030021
    Abstract: The present invention relates to the composition and methods of use of Stat3 pathway inhibitors or cancer stem cell inhibitors in combination treatment of cancer.
    Type: Application
    Filed: July 11, 2017
    Publication date: February 1, 2018
    Applicant: Boston Biomedical, Inc.
    Inventors: Chiang Jia Li, Keith Mikule, Youzhi Li
  • Publication number: 20180022743
    Abstract: The present invention relates to novel thiazole-substituted indolin-2-ones as inhibitors of CSCPK and related kinases; to methods of inhibiting cancer stem cells by using a kinase inhibitor; to pharmaceutical compositions containing such compounds; and to methods of using such compounds in the treatment of a protein kinase related disorder in a mammal; and to processes of making such compounds and intermediates thereof.
    Type: Application
    Filed: July 7, 2017
    Publication date: January 25, 2018
    Inventors: Chiang Jia Li, Ji-Feng Liu, Youzhi Li, Wei Li, Harry Rogoff
  • Patent number: 9834532
    Abstract: The present invention relates to a novel naphtho class of compounds as Stat3 pathway inhibitors and as cancer stem cell inhibitors; to methods of using such compounds to treat cancer; to methods of using such compounds to treat disorders in a mammal related to aberrent Stat3 pathway activity; to pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: September 29, 2014
    Date of Patent: December 5, 2017
    Assignee: BOSTON BIOMEDICAL, INC.
    Inventors: Zhiwei Jiang, Chiang Jia Li, Wei Li, David Leggett
  • Publication number: 20170319537
    Abstract: The invention provides naphthofuran compounds, polymorphs of naphthofuran compounds, naphthofuran compounds in particle form, purified compositions that contain one or more naphthofuran compounds, purified compositions that contain one or more naphthofuran compounds in particle form, methods of producing these naphthofuran compounds, polymorphs, purified compositions and/or particle forms, and methods of using these naphthofuran compounds, polymorphs, purified compositions and/or particle forms to treat subjects in need thereof.
    Type: Application
    Filed: July 5, 2017
    Publication date: November 9, 2017
    Applicant: BOSTON BIOMEDICAL, INC.
    Inventors: Chiang Jia Li, David Leggett, Youzhi Li, Wei Li
  • Patent number: 9795595
    Abstract: The invention provides thiazole-substituted indolin-2-ones as inhibitors of cancer stem cell pathway kinases (CSCPK) and related kinases, and methods of using these compounds, to treat subjects in need thereof.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: October 24, 2017
    Assignee: Boston Biomedical, Inc.
    Inventors: Chiang Jia Li, Youzhi Li
  • Patent number: 9745278
    Abstract: The present invention relates to the use of a novel class of cancer stem cell pathway (CSCP) inhibitors; to methods of using such compounds to treat refractory, recurrent, or metastatic cancers; to methods of selective killing cancer cells by using such compounds with specific administration regimen; to methods of targeting cancer stem cells by inhibiting Stat3 pathway; to methods of using novel compounds in the treatment of conditions or disorders in a mammal related to aberrant Stat3 pathway activity; and to processes for preparing such compounds and intermediates thereof, and to the pharmaceutical composition of relevant compounds, and to the specific methods of administration of these compounds.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: August 29, 2017
    Assignee: Boston Biomedical, Inc.
    Inventors: Chiang Jia Li, Harry Rogoff, Youzhi Li, Jifeng Liu, Wei Li
  • Patent number: 9732055
    Abstract: The present invention relates to the composition and methods of use of Stat3 pathway inhibitors or cancer stem cell inhibitors in combination treatment of cancer.
    Type: Grant
    Filed: September 10, 2008
    Date of Patent: August 15, 2017
    Assignee: Boston Biomedical, Inc.
    Inventors: Chiang Jia Li, Keith Mikule, Youzhi Li
  • Patent number: 9730909
    Abstract: The invention provides naphthofuran compounds, polymorphs of naphthofuran compounds, naphthofuran compounds in particle form, purified compositions that contain one or more naphthofuran compounds, purified compositions that contain one or more naphthofuran compounds in particle form, methods of producing these naphthofuran compounds, polymorphs, purified compositions and/or particle forms, and methods of using these naphthofuran compounds, polymorphs, purified compositions and/or particle forms to treat subjects in need thereof.
    Type: Grant
    Filed: March 21, 2011
    Date of Patent: August 15, 2017
    Assignee: BOSTON BIOMEDICAL, INC
    Inventors: Chiang Jia Li, David Leggett, Youzhi Li, Wei Li
  • Patent number: 9725444
    Abstract: Compounds as inhibitors of CSCPK and related kinases. The compounds are thiazole-substituted indolin-2-ones and are prepared from indolin-2-ones. They are included in pharmaceutical compositions and both the compounds and the pharmaceutical compositions are used in inhibiting cancer stem cells and in the treatment of a protean kinase related disorders.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: August 8, 2017
    Assignee: BOSTON BIOMEDICAL, INC
    Inventors: Chiang Jia Li, Ji-Feng Liu, Youzhi Li, Wei Li, Harry Rogoff
  • Publication number: 20170197932
    Abstract: The present invention relates to a novel naphtho class of compounds as Stat3 pathway inhibitors and as cancer stem cell inhibitors; to methods of using such compounds to treat cancer; to methods of using such compounds to treat disorders in a mammal related to aberrant Stat3 pathway activity; to pharmaceutical compositions containing such compounds.
    Type: Application
    Filed: February 10, 2017
    Publication date: July 13, 2017
    Inventors: Zhiwei Jiang, Chiang Jia Li, Wei Li, David Leggett
  • Publication number: 20170016001
    Abstract: The invention provides novel compositions for use in silencing K-Ras gene expression. More particularly, the invention provides novel asymmetrical interfering RNA molecules as inhibitors of K-Ras expression, and to pharmaceutical compositions and uses thereof in the treatment of cancer or a related disorder in a mammal.
    Type: Application
    Filed: March 16, 2015
    Publication date: January 19, 2017
    Applicant: Boston Biomedical, Inc.
    Inventor: Chiang Jia LI
  • Publication number: 20170015677
    Abstract: This invention provides a compound represented by formula (1) or a pharmaceutically acceptable salt thereof. Specifically, the present invention provides a compound represented by formula (1) or a pharmaceutically acceptable salt thereof [Therein, A is O, S, or N—R6; ring G is a 5-membered or 6-membered aromatic ring, etc., including 1-3 heteroatoms selected from O, S and N as constituent atoms; R1 and R2 are each independently a hydrogen atom, a halogen atom, or an optionally-substituted C1-6 alkyl carbonyl group, etc.; R3, R4 and R5 are each independently a hydrogen atom, a halogen atom, or an optionally-substituted C1-6 alkyl carbonyl group, etc.; and R6 is a hydrogen atom or an optionally-substituted C1-6 alkyl group, etc.].
    Type: Application
    Filed: March 30, 2015
    Publication date: January 19, 2017
    Applicant: Boston Biomedical, Inc.
    Inventors: Hitoshi BAN, Seiji KAMIOKA, Shoukou RI, Tomoyuki FURUTA, Hiroyuki KITANO, Chiang Jia Li
  • Publication number: 20160339001
    Abstract: The invention provides thiazole-substituted indolin-2-ones as inhibitors of cancer stem cell pathway kinases (CSCPK) and related kinases, and methods of using these compounds, to treat subjects in need thereof.
    Type: Application
    Filed: January 26, 2015
    Publication date: November 24, 2016
    Applicant: Boston Biomedical, Inc.
    Inventors: Chiang Jia LI, Youzhi LI
  • Publication number: 20160304868
    Abstract: The present invention provides asymmetrical duplex RNA molecules that are capable of effecting sequence-specific gene silencing. The RNA molecule comprises a first strand and a second strand. The first strand is longer than the second strand. The RNA molecule comprises a double-stranded region formed by the first strand and the second strand, and two ends independently selected from the group consisting of 5?-overhang, 3?-overhang, and blunt end. The RNA molecules of the present invention can be used as research tools and/or therapeutics.
    Type: Application
    Filed: March 25, 2016
    Publication date: October 20, 2016
    Inventors: Chiang Jia LI, Xiangao Sun, Harry Rogoff, Youzhi Li
  • Publication number: 20160271099
    Abstract: The invention provides naphthofuran compounds, polymorphs of naphthofuran compounds, naphthofuran compounds in particle form, purified compositions that contain one or more naphthofuran compounds, purified compositions that contain one or more naphthofuran compounds in particle form, methods of producing these naphthofuran compounds, polymorphs, purified compositions and/or particle forms, and methods of using these naphthofuran compounds, polymorphs, purified compositions and/or particle forms to treat subjects in need thereof.
    Type: Application
    Filed: May 31, 2016
    Publication date: September 22, 2016
    Inventors: Chiang Jia LI, David Leggett, Youzhi LI, Wei LI
  • Patent number: 9381184
    Abstract: The invention provides naphthofuran compounds, polymorphs of naphthofuran compounds, naphthofuran compounds in particle form, purified compositions that contain one or more naphthofuran compounds, purified compositions that contain one or more naphthofuran compounds in particle form, methods of producing these naphthofuran compounds, polymorphs, purified compositions and/or particle forms, and methods of using these naphthofuran compounds, polymorphs, purified compositions and/or particle forms to treat subjects in need thereof.
    Type: Grant
    Filed: March 10, 2015
    Date of Patent: July 5, 2016
    Assignee: Boston Biomedical, Inc.
    Inventors: Chiang Jia Li, David Leggett, Youzhi Li, Wei Li
  • Patent number: 9328345
    Abstract: The present invention provides asymmetrical duplex RNA molecules that are capable of effecting sequence-specific gene silencing. The RNA molecule comprises a first strand and a second strand. The first strand is longer than the second strand. The RNA molecule comprises a double-stranded region formed by the first strand and the second strand, and two ends independently selected from the group consisting of 5?-overhang, 3?-overhang, and blunt end. The RNA molecules of the present invention can be used as research tools and/or therapeutics.
    Type: Grant
    Filed: August 27, 2008
    Date of Patent: May 3, 2016
    Assignee: 1 GLOBE HEALTH INSTITUTE LLC
    Inventors: Chiang Jia Li, Xiangao Sun, Harry Rogoff, Youzhi Li