Patents by Inventor Kenneth A. Hibberd

Kenneth A. Hibberd 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: 7547820
    Abstract: The invention provides genetically engineered, preselected DNA sequences and methods of using them to alter the nutritional content of plant seed. Methods of the invention are directed to increasing the weight percent of at least one amino acid essential to the diet of animals, or increasing the starch content, of a plant. One such method involves stably transforming a cell of a plant with an a preselected DNA sequence encoding an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, preferably a seed storage protein which is deficient in at least one amino acid essential to the diet of animals. An alternative method employs stably transforming cells with at least two preselected DNA sequences, one of which encodes an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, and the other preselected DNA molecule which encodes a preselected polypeptide.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: June 16, 2009
    Assignee: Dekalb Genetics Corporation
    Inventors: Julie A. Kirihara, Kenneth A. Hibberd, Janice Anthony
  • Publication number: 20060112443
    Abstract: The invention provides genetically engineered, preselected DNA sequences and methods of using them to alter the nutritional content of plant seed. Methods of the invention are directed to increasing the weight percent of at least one amino acid essential to the diet of animals, or increasing the starch content, of a plant. One such method involves stably transforming a cell of a plant with an a preselected DNA sequence encoding an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, preferably a seed storage protein which is deficient in at least one amino acid essential to the diet of animals. An alternative method employs stably transforming cells with at least two preselected DNA sequences, one of which encodes an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, and the other preselected DNA molecule which encodes a preselected polypeptide.
    Type: Application
    Filed: November 1, 2005
    Publication date: May 25, 2006
    Inventors: Julie Kirihara, Kenneth Hibberd, Janice Anthony
  • Patent number: 6960709
    Abstract: The invention provides preselected DNA sequences and methods of using them to alter the nutritional content of plant seed. Methods of the invention are directed to increasing the weight percent of an amino acid essential to the diet of animals, or increasing the starch content, of a plant. One method involves stably transforming a cell of a plant with a preselected DNA sequence encoding an RNA molecule substantially identical or complementary to a messenger RNA encoding a plant seed storage protein. An alternative method employs stably transforming cells with at least two preselected DNA sequences, one of which encodes an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, and the other preselected DNA molecule which encodes a preselected polypeptide. The transformed cells are used to generate fertile transgenic plants and seeds, which are characterized by expression of the preselected DNA sequence.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: November 1, 2005
    Assignee: DeKalb Genetics Corporation
    Inventors: Julie A. Kirihara, Kenneth A. Hibberd, Janice Anthony
  • Patent number: 6326527
    Abstract: The invention provides genetically engineered, preselected DNA sequences and methods of using them to alter the nutritional content of plant seed. Methods of the invention are directed to increasing the weight percent of at least one amino acid essential to the diet of animals, or increasing the starch content, of a plant. One such method involves stably transforming a cell of a plant with an a preselected DNA sequence encoding an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, preferably a seed storage protein which is deficient in at least one amino acid essential to the diet of animals. An alternative method employs stably transforming cells with at least two preselected DNA sequences, one of which encodes an RNA molecule substantially identical or complementary to a messenger RNA (mRNA) encoding a plant seed storage protein, and the other preselected DNA molecule which encodes a preselected polypeptide.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: December 4, 2001
    Assignee: Dekalb Genetics Corporation
    Inventors: Julie A. Kirihara, Kenneth A. Hibberd, Janice Anthony
  • Patent number: 6222100
    Abstract: This invention is directed to the production of plants, plant tissues and seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 24, 2001
    Assignee: MGI Pharma, Inc.
    Inventors: Paul Curtis Anderson, Kenneth A. Hibberd
  • Patent number: 6211438
    Abstract: This invention is directed to the production of plants, plant tissues and seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: September 18, 1992
    Date of Patent: April 3, 2001
    Assignee: MGI Pharma, Inc.
    Inventors: Paul Curtis Anderson, Kenneth A. Hibberd
  • Patent number: 6211439
    Abstract: This invention is directed to the production of plants, plant tissues and seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: April 3, 2001
    Assignee: MGI Pharma, Inc
    Inventors: Paul Curtis Anderson, Kenneth A. Hibberd
  • Patent number: 5718079
    Abstract: This invention is directed to the production of plants, plant tissues and seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: March 24, 1993
    Date of Patent: February 17, 1998
    Assignee: MGI Pharma, Inc.
    Inventors: Paul Curtis Anderson, Kenneth A. Hibberd
  • Patent number: 5331107
    Abstract: This invention is directed to the production of plants, plant tissues and plant seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: March 8, 1988
    Date of Patent: July 19, 1994
    Assignee: MGI Pharma, Inc.
    Inventors: Paul C. Anderson, Kenneth A. Hibberd
  • Patent number: 5304732
    Abstract: This invention is directed to the production of plants, plant tissues and seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: October 3, 1990
    Date of Patent: April 19, 1994
    Assignee: MGI Pharma, Inc.
    Inventors: Paul C. Anderson, Kenneth A. Hibberd
  • Patent number: 4761373
    Abstract: This invention is directed to the production of plants, plant tissues and plant seeds which are resistant to inhibition by an herbicide which normally inhibits the growth and development of those plants, plant tissues and plant seeds. In particular this invention is directed to altered acetohydroxyacid synthase enzymes which are resistant to inhibition by herbicides which normally inhibit the activity of the synthase before such alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such herbicides resulting from expression of genes encoding herbicide resistant acetohydroxyacid synthase enzyme.
    Type: Grant
    Filed: August 10, 1984
    Date of Patent: August 2, 1988
    Assignee: Molecular Genetics, Inc.
    Inventors: Paul C. Anderson, Kenneth A. Hibberd
  • Patent number: 4642411
    Abstract: This invention is direction to the production of novel plant genotypes or lines which produce increased free tryptophan levels and are resistant to inhibition by analogs which normally inhibit the activity of the enzyme anthranilate synthase before alteration. This invention further relates to genes encoding such exzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such analogs and overproduce tryptophan resulting from expression of genes encoding analog resistant anthranilate synthase enzyme.
    Type: Grant
    Filed: February 21, 1985
    Date of Patent: February 10, 1987
    Assignee: Molecular Genetics Research and Development Limited Partnership
    Inventors: Kenneth A. Hibberd, Paul C. Anderson, Melanie Barker
  • Patent number: 4581847
    Abstract: This invention is directed to the production of novel plant genotypes or lines which produce increased free tryptophan levels and are resistant to inhibition by analogs which normally inhibit the activity of the enzyme anthranilate synthase before alteration. This invention further relates to genes encoding such enzymes, and to processes for utilizing these novel genes and enzymes. Further products of the invention include plants, plant tissues and seeds which exhibit resistance to such analogs and overproduce tryptophan resulting from expression of genes encoding analog resistant anthranilate synthase enzyme.
    Type: Grant
    Filed: September 4, 1984
    Date of Patent: April 15, 1986
    Assignee: Molecular Genetics Research and Development
    Inventors: Kenneth A. Hibberd, Paul C. Anderson, Melanie Barker