Patents by Inventor Janet M. Tippett

Janet M. Tippett 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).

  • Bacillus thuringiensis strains producing insecticidally active toxins
    Patent number: 5573766
    Abstract: Novel strains of the insecticidal microorganism Bacillus thuringiensis are described. These contain novel genes, and in particular a gene coding for a novel insecticidal endotoxin, 81 kiloDaltons in length, toxic to both Lepidoptera and Coleoptera. The novel strains and the genes they contain may be used to combat insect attack against plants.
    Type: Grant
    Filed: May 9, 1990
    Date of Patent: November 12, 1996
    Assignee: Imperial Chemical Industries PLC
    Inventors: Robert G. Blenk, Susan Ely, Ravindra H. Tailor, Janet M. Tippett
  • Bacillus thuringiensis toxin with activity against Diabrotica species
    Patent number: 5446019
    Abstract: The novel strain JHCC 5767 of Bacillus thuringiensis, and insecticidal compositions containing insecticidal protein(s) produced by said strain are provided. A process for protecting plants from insects of the genus Diabrotica by exposing larvae to insecticidal protein produced by said strain is also provided. Novel genes for insecticidal proteins may be isolated from strain JHCC 5767.
    Type: Grant
    Filed: January 6, 1994
    Date of Patent: August 29, 1995
    Assignee: Zeneca Limited
    Inventors: Susan Ely, Janet M. Tippett
  • DNA constructs encoding Bacillus thuringiensis toxins from strain A20
    Patent number: 5424409
    Abstract: Recombinant DNA coding for an insecticidally active form of the Bacillus thuringiensis endotoxin which DNA is derived from the chromosome plasmids of the A20 strain of Bacillus thuringiensis. The recombinant genes may be of the 6.6, 5.3 or 4.5 types. Further discloses a truncated chimetic endotoxin-producing gene derived from the 5.3 and 4.5-type genes of strain A20.
    Type: Grant
    Filed: April 1, 1991
    Date of Patent: June 13, 1995
    Assignee: Imperial Chemical Industries PLC
    Inventors: Susan Ely, Janet M. Tippett
  • Bacterial strain
    Patent number: 5262323
    Abstract: The novel strain JHCC 4279 of Bacillus thuringiensis and insecticidal compositions containing insecticidal protein endotoxin produced by the strain JHCC 4279 which protects plants from Diabrotica by exposing larvae to the insecticidal protein endotoxin produced by the strain. Novel genes for insecticidal proteins may be isolated from strain JHCC 4279.
    Type: Grant
    Filed: October 31, 1991
    Date of Patent: November 16, 1993
    Assignee: Imperial Chemical Industries PLC
    Inventors: Sheila Baird, Susan Ely, Graham M. Gibb, Janet M. Tippett