Patents by Inventor Karen Joanne Krapcho

Karen Joanne Krapcho 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).

  • Insecticidally effective peptides
    Patent number: 5741669
    Abstract: This invention provides a family of insecticidally effective peptides which may be isolated from Tegenaria spider venom, DNA encoding such insecticidally effective peptides and methods for controlling invertebrate pests.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 21, 1998
    Assignees: FMC Corporation, NPS Pharmaceuticals, Inc.
    Inventors: Karen Joanne Krapcho, John Randolph Hunter Jackson, Janice Helen Johnson, Eric George DelMar, Robert Marden Kral, Jr.
  • Recombinant expression of insecticidally effective spider toxin
    Patent number: 5695959
    Abstract: This invention provides a family of insecticidally effective proteins and particular members of that family which may be isolated from the venom of the spider Filistata hibernalis, DNA encoding such proteins, insecticidal compositions of these proteins or the DNA encoding them, and methods for controlling invertebrate pests. Recombinant expression vectors and host cells and methods for producing insecticidally effective peptides are also provided.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: December 9, 1997
    Assignees: FMC Corporation, NPS Pharmaceuticals, Inc.
    Inventors: John Randolph Hunter Jackson, Karen Joanne Krapcho, Janice Helen Johnson, Robert Marden Kral, Jr.