Patents by Inventor Jia-He Li

Jia-He 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).

  • Patent number: 6716828
    Abstract: This invention relates to compounds, pharmaceutical compositions, and methods for the treatment or prevention of neural or cardiovascular tissue damage related to cerebral ischemia and reperfusion injury in an animal by administering Poly(ADP-ribose) polymerase (“PARP”) inhibitors.
    Type: Grant
    Filed: February 13, 2001
    Date of Patent: April 6, 2004
    Assignee: Guilford Pharmaceuticals, Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20040063785
    Abstract: Symmetrically disubstituted aromatic compounds and pharmaceutical compositions containing such compounds that inhibit and/or modulate the activity of poly(ADP-ribose) glycohydrolase, also known as PARG, are described. The invention is also directed to the therapeutic or prophylactic use of such compounds and compositions, and to methods of treating diseases and disorders described herein, by administering effective amounts of such compounds.
    Type: Application
    Filed: August 28, 2003
    Publication date: April 1, 2004
    Applicant: Guilford Pharmaceuticals, Inc.
    Inventors: Jia-He Li, Dana Victor Ferraris, Paul W. Kletzly, Weixing Li, Eric Yanjun Wang, Amy D. Xing, Weizheng Xu, Jie Zhang
  • Patent number: 6635642
    Abstract: The present invention relates to PARP inhibitors, pharmaceutical compositions comprising the same, and methods of using the same to treat tissue damage resulting from cell damage or death due to necrosis or apoptosis, effect neuronal activities not mediated by NMDA toxicity; to treat neural tissue damage resulting from ischemia and reperfusion injury, neurological disorders and neurodegenerative diseases; to prevent or treat vascular stroke; to treat or prevent cardiovascular disorders; to treat other conditions and/or disorders such as age-related macular degeneration, AIDS and other immune senescence diseases, arthritis, atherosclerosis, cachexia, cancer, degenerative diseases of skeletal muscle involving replicative senescence, diabetes, head trauma, immune senescence, inflammatory bowel disorders (such as colitis and Crohn's disease), muscular dystrophy, osteoarthritis, osteoporosis, chronic and/or acute pain (such as neuropathic pain), renal failure, retinal ischemia, septic shock (such as endotoxic
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: October 21, 2003
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Paul F. Jackson, Jia-He Li, Keith M. Maclin, Jie Zhang
  • Patent number: 6635786
    Abstract: Symmetrically disubstituted aromatic compounds and pharmaceutical compositions containing such compounds that inhibit and/or modulate the activity of poly(ADP-ribose) glycohydrolase, also known as PARG, are described. The invention is also directed to the therapeutic or prophylactic use of such compounds and compositions, and to methods of treating diseases and disorders described herein, by administering effective amounts of such compounds.
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: October 21, 2003
    Assignee: Guilford Pharmaceuticals, Inc.
    Inventors: Jia-He Li, Dana Victor Ferraris, Paul W. Kletzly, Weixing Li, Eric Yanjun Wang, Amy D. Xing, Weizheng Xu, Jie Zhang
  • Publication number: 20030114492
    Abstract: This invention relates to a method of using neurotrophic low molecular weight, small molecule sulfonamide compounds having an affinity for FKBP-type immunophilins, as inhibitors of the enzyme activity associated with immunophilin proteins, particularly peptidyl-prolyl isomerase, or rotamase, enzyme activity.
    Type: Application
    Filed: March 23, 2001
    Publication date: June 19, 2003
    Inventors: Gregory S. Hamilton, Jia-He Li, Joseph P. Steiner
  • Publication number: 20030105102
    Abstract: Compounds, compositions containing compounds, methods of sing compounds, and processes of making compounds, of formula I containing at least one ring nitrogen: 1
    Type: Application
    Filed: April 1, 2002
    Publication date: June 5, 2003
    Applicant: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Kevin Leonard Tays, Jie Zhang
  • Publication number: 20030078212
    Abstract: The present invention relates to pharmaceutical compositions containing poly(ADP-ribose) glucohydrolase inhibitors, also known as PARG inhibitors, and methods of using the same for inhibiting or decreasing free radical induced cellular energy depletion, cell damage, or cell death. More particularly, the present invention relates to pharmaceutical compositions containing poly (ADP-ribose) glucohydrolase inhibitors such as glucose derivatives; lignin glycosides; hydrolysable tannins including gallotannins and ellagitannins; adenoside derivatives; acridine derivatives including 6,9-diamino-2-ethoxyacridine lactate monohydrate; tilorone analogs including tilorone R10.556, daunomycin or daunorubicin hydrochloride; ellipticine; proflavine; and other PARG inhibitors; and their method of use in treating or preventing diseases or conditions due to free radical induced cellular energy depletion and/or tissue damage resulting from cell damage or death due to necrosis, apoptosis, or combinations thereof.
    Type: Application
    Filed: October 30, 1998
    Publication date: April 24, 2003
    Inventors: JIA-HE LI, JIE ZHANG
  • Patent number: 6545011
    Abstract: This invention relates to compounds, pharmaceutical compositions, and methods of using the disclosed compounds for inhibiting PARP.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: April 8, 2003
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang, Vincent J. Kalish
  • Publication number: 20030032635
    Abstract: This invention relates to neurotrophic low molecular weight, small molecule heterocyclic ester and amides having an affinity for FKBP-type immunophilins, and their use as inhibitors of the enzyme activity associated with immunophilin proteins, particularly peptidyl-prolyl isomerase, or rotamase, enzyme activity.
    Type: Application
    Filed: June 24, 2002
    Publication date: February 13, 2003
    Inventors: Jia-He Li, Gregory S. Hamilton
  • Patent number: 6514983
    Abstract: This invention relates to compounds, pharmaceutical compositions, and methods of using compounds of the formula: or a pharmaceutically acceptable salt, hydrate, prodrug, or mixtures thereof, wherein Y is alkylhalo, alkyl-CO—G, COG, a direct bond, C═O, O, NR11, or CR8; G is NR11R16, OR9, SR9, or R10; Z is O, S, or NR11; X is NR16, O, S, CR12R13, C═O, a bond, —CR12═CR13—, —C(R12R13)C(R14R15)—, or; Rhd 1, R2, R3, R4, R5, R6, R7, R8, R10, R12, R13, R14, or R15 are independently: hydrogen, halo, alkylhalo, hydroxy, C1-C9 straight or branched chain alkyl, C2-C9 straight or branched chain alkenyl group, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, aryl, amino, alkylamino, nitro, nitroso, carboxy, or aralkyl; R9 is hydrogen, hydroxy, C1-C9 straight or branched chain alkyl, C2-C9 straight or branched chain alkenyl group, C3-C8 cycloalkyl, C5-C7 cycloalkenyl, aryl, amino, alkylamino, carboxy, or aralkyl; R11 or R16 are independently: hydrogen, halo, alkylha
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: February 4, 2003
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang, Paul F. Jackson, Keith M. Maclin
  • Publication number: 20030022883
    Abstract: This invention relates to compounds, pharmaceutical compositions, and methods of using the disclosed compounds for inhibiting PARP.
    Type: Application
    Filed: November 30, 2001
    Publication date: January 30, 2003
    Inventors: Dana V. Ferraris, Jia-He Li, Vincent J. Kalish, Jie Zhang
  • Publication number: 20020193420
    Abstract: This invention relates to neurotrophic, low molecular weight, small molecule heterocyclic ketone and thioester compounds, compositions containing the same, and the use of such compounds for treating neurological disorders, including physically damaged nerves and neurodegenerative diseases.
    Type: Application
    Filed: March 25, 2002
    Publication date: December 19, 2002
    Applicant: GPI NIL Holdings, Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li
  • Publication number: 20020160984
    Abstract: A compound of formula I: 1
    Type: Application
    Filed: April 1, 2002
    Publication date: October 31, 2002
    Applicant: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20020156050
    Abstract: A compound of formula I: 1
    Type: Application
    Filed: April 1, 2002
    Publication date: October 24, 2002
    Applicant: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20020132852
    Abstract: Symmetrically disubstituted aromatic compounds and pharmaceutical compositions containing such compounds that inhibit and/or modulate the activity of poly(ADP-ribose) glycohydrolase, also known as PARG, are described. The invention is also directed to the therapeutic or prophylactic use of such compounds and compositions, and to methods of treating diseases and disorders described herein, by administering effective amounts of such compounds.
    Type: Application
    Filed: April 10, 2001
    Publication date: September 19, 2002
    Inventors: Jia-He Li, Dana Victor Ferraris, Paul W. Kletzly, Weixing Li, Eric Yanjun Wang, Amy D. Xing, Weizheng Xu, Jie Zhang
  • Patent number: 6417209
    Abstract: This invention relates to neurotrophic, low molecular weight, small molecule heterocyclic ketone and thioester compounds, compositions containing the same, and the use of such compounds for treating neurological disorders, including physically damaged nerves and neurodegenerative diseases.
    Type: Grant
    Filed: December 11, 2000
    Date of Patent: July 9, 2002
    Assignee: GPI Nil Holdings, Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li
  • Patent number: 6395749
    Abstract: The present invention provides carboxamine compounds, methods and compositions for inhibiting PARP activity.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: May 28, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Patent number: 6387902
    Abstract: This invention relates to compounds, pharmaceutical compositions, and methods of using compounds of the formula: wherein R1-R9 and Z are independently. hydrogen, hydroxy, halo, haloalkyl, thiocarbonyl, cyano, nitro, amino, imino, alkylamino, aminoalkyl, sulfhydryl, thioalkyl, alkylthio, sulfonyl, alkylsulfonyl, C1-C9 straight or branched chain alkyl, C2-C9 straight or branched chain alkenyl, C2-C9 straight or branched chain alkynyl, C1-C6 straight or branched chain alkoxy, C2-C6 straight or branched chain alkenoxy, C2-C6 straight or branched chain alkynoxy, aryl, carbocycle, heterocycle, aralkyl, alkylaryl, alkylaryloxy, aryloxy, aralkyloxy, aralkylsulfonyl, aralkylamino, arylamino, arylazo, arylthio, or aralkylthio; or Z is wherein U is C or N, and R7 and R8 are defined above; and X and Y are independently aryl, carbocycle, or heterocycle.
    Type: Grant
    Filed: December 31, 1998
    Date of Patent: May 14, 2002
    Assignee: Guilford Pharmaceuticals, Inc.
    Inventors: Jie Zhang, Kevin Leonard Tays, Jia-He Li
  • Patent number: 6380193
    Abstract: A compound of formula I: or a pharmaceutically acceptable salt, hydrate, ester, solvate, prodrug, metabolite, stereoisomer, or mixtures thereof.
    Type: Grant
    Filed: September 1, 1998
    Date of Patent: April 30, 2002
    Assignee: Guilford Pharmaceuticals Inc.
    Inventors: Jia-He Li, Jie Zhang
  • Publication number: 20020049199
    Abstract: This invention relates to neurotrophic low molecular weight, small molecule N-linked ureas and carbamates of heterocyclic thioesters having an affinity for FKBP-type immunophilins, and their use as inhibitors of the enzyme activity associated with immunophilin proteins, particularly peptidyl-prolyl isomerase, or rotamase, enzyme activity.
    Type: Application
    Filed: June 21, 2001
    Publication date: April 25, 2002
    Inventors: Gregory S. Hamilton, Jia-He Li, Wei Huang