Patents Assigned to E. I. Du Pont de Nemours and Comany
  • Aspartate kinase
    Patent number: 7227054
    Abstract: This invention relates to an isolated nucleic acid fragment encoding an aspartate kinase. The invention also relates to the construction of a chimeric gene encoding all or a portion of the aspartate kinase, in sense or antisense orientation, wherein expression of the chimeric gene results in production of altered levels of the aspartate kinase in a transformed host cell.
    Type: Grant
    Filed: January 13, 2005
    Date of Patent: June 5, 2007
    Assignee: E. I. du Pont de Nemours and Comany
    Inventor: Saverio Carl Falco
  • Sulfonate-containing polyesters dyeable with basic dyes
    Patent number: 5607765
    Abstract: Filaments of ethylene terephthalate polyester copolymers that contain a lithium salt of a glycollate of 5-sulfo-isophthalic acid provide improvements over commercially-available basic-dyeable polyester filaments.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: March 4, 1997
    Assignee: E. I. Du Pont de Nemours and Comany
    Inventors: Steven M. Hansen, James M. Howell, Cecil E. Reese
  • Herbicidal sulfonamides
    Patent number: 4683000
    Abstract: Novel N-(heterocyclicaminocarbonyl)arylsulfonamides such as 2,3-dihydro-N-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl]-1H-in dole-7-sulfonamide are useful as pre-emergence and post-emergence herbicides and for the regulation of plant growth.
    Type: Grant
    Filed: December 22, 1983
    Date of Patent: July 28, 1987
    Assignee: E. I. Du Pont de Nemours and Comany
    Inventor: W. Christian Petersen
  • Polytetrafluoroethylene molding powder from polytetrafluoroethylene fine powder
    Patent number: 3981853
    Abstract: Polytetrafluoroethylene fine powder is compacted at or near room temperature at a pressure of 8000 psi (562 kg/cm.sup.2) to 50,000 psi (3513 kg/cm.sup.2), followed by partially decompacting the resultant compacted fine powder to a molding powder having an average particle diameter of less than 100 microns.
    Type: Grant
    Filed: June 17, 1974
    Date of Patent: September 21, 1976
    Assignee: E. I. Du Pont de Nemours and Comany
    Inventor: Carl Harding Manwiller