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: 5968957
    Abstract: This invention relates to a method of using neurotrophic low molecular weight, small molecule piperidine and pyrrolidine 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: Grant
    Filed: February 23, 1998
    Date of Patent: October 19, 1999
    Assignee: GPI NIL Holdings, Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li, Joseph P. Steiner
  • Patent number: 5958949
    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: Grant
    Filed: December 23, 1997
    Date of Patent: September 28, 1999
    Assignee: GPI NIL Holdings Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li, Wei Huang
  • Patent number: 5935989
    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: Grant
    Filed: December 31, 1996
    Date of Patent: August 10, 1999
    Assignee: GPI NIL Holdings Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li, Wei Huang
  • Patent number: 5874449
    Abstract: This invention relates to neurotrophic low molecular weight, small molecule N-linked sulfonamides 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: Grant
    Filed: December 31, 1996
    Date of Patent: February 23, 1999
    Assignee: GPI NIL Holdings, Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li, Wei Huang
  • Patent number: 5801187
    Abstract: This invention relates to neurotrophic low molecular weight, small molecule heterocyclic esters 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: Grant
    Filed: September 25, 1996
    Date of Patent: September 1, 1998
    Assignee: GPI-NIL Holdings, Inc.
    Inventors: Jia-He Li, Gregory S. Hamilton
  • Patent number: 5786378
    Abstract: This invention relates to neurotrophic low molecular weight, small molecule heterocyclic thioesters and ketones 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: Grant
    Filed: September 25, 1996
    Date of Patent: July 28, 1998
    Assignee: GPI Nil Holdings, Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li
  • Patent number: 5721256
    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: Grant
    Filed: February 12, 1997
    Date of Patent: February 24, 1998
    Assignee: GPI NIL Holdings, Inc.
    Inventors: Gregory S. Hamilton, Jia-He Li, Joseph P. Steiner
  • Patent number: 5668121
    Abstract: Novel naphthyl-substituted .alpha.-amino acid derivatives, pharmaceutical compositions containing the same and a method of using the same, for the blockade of aspartate and glutamate receptors, are described. Novel intermediates of the napthyl-substituted .alpha.-amino acid derivatives are disclosed.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: September 16, 1997
    Assignee: Warner-Lambert Company
    Inventors: Christopher Franklin Bigge, James Jia-He Li