Patents Assigned to Shaman Pharmaceuticals, Inc.
  • Methods for using proanthocyanidin polymers having antiviral activity
    Patent number: 5494661
    Abstract: The present invention provides for proanthocyanidin polymers with significant antiviral activity. The proanthocyanidin polymers can be chemically synthesized or can be isolated from a Croton or a Calophyllum plant species. The present invention encompasses methods of using proanthocyanidin polymers in treating warm-blooded animals, including humans, infected with a respiratory virus.
    Type: Grant
    Filed: February 9, 1994
    Date of Patent: February 27, 1996
    Assignee: Shaman Pharmaceuticals, Inc.
    Inventor: Michael S. Tempesta
  • Proanthocyanidin polymers having antiviral activity and methods of obtaining same
    Patent number: 5211944
    Abstract: The present invention provides for proanthocyanidin polymers with significant antiviral activity. The proanthocyanidin polymers can be chemically synthesized or can be isolated from a Croton or a Calophyllum plant species. The present invention encompasses methods of using proanthocyanidin polymers in treating warm-blooded animals, including humans, infected with paramyxovaridae such as respiratory syncytial virus, orthomyxovaridae such as influenza A, B and C, and herpes viruses such as Herpes Simplex virus.
    Type: Grant
    Filed: July 29, 1991
    Date of Patent: May 18, 1993
    Assignee: Shaman Pharmaceuticals, Inc.
    Inventor: Michael S. Tempesta
  • Dioscoretine and its use as a hypoglycemic agent
    Patent number: 5019580
    Abstract: A new compound, dioscoretine, as well as the process for making the same is described. According to a preferred embodiment, dioscoretine is derived from the tuber of Dioscorea dumetorum. Dioscoretine is a hypoglycemic agent and thus is useful for therapeutic treatment of conditions such as diabetes mellitus.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: May 28, 1991
    Assignee: Shaman Pharmaceuticals, Inc.
    Inventor: Maurice M. Iwu