Wallace C. Petersen

Person

  • Hockessin, DE, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Herbicidal sulfonamides

    • Patent number 6,060,432
    • Issue date May 9, 2000
    • E. I. Du Pont de Nemours and Company
    • Edward John Adams
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal pyridine N-oxide sulfonylureas

    • Patent number 4,900,353
    • Issue date Feb 13, 1990
    • E. I. Du Pont de Nemours and Company
    • William E. Barnette
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal pyridine N-oxide sulfonylureas

    • Patent number 4,789,465
    • Issue date Dec 6, 1988
    • E. I. Du Pont de Nemours and Company
    • William E. Barnette
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal sulfonamides

    • Patent number 4,743,295
    • Issue date May 10, 1988
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Triazine-substituted herbicidal azobenzenesulfonamides

    • Patent number 4,678,497
    • Issue date Jul 7, 1987
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal sulfonamides

    • Patent number 4,675,045
    • Issue date Jun 23, 1987
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal azobenzenesulfonamides

    • Patent number 4,585,470
    • Issue date Apr 29, 1986
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal sulfonamides

    • Patent number 4,555,261
    • Issue date Nov 26, 1985
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal s-triazines

    • Patent number 4,492,599
    • Issue date Jan 8, 1985
    • E. I. Du Pont de Nemours and Company
    • George Levitt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal sulfonamides

    • Patent number 4,491,467
    • Issue date Jan 1, 1985
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Process of preparing aromatic aldehydes by reacting selected aromat...

    • Patent number 4,394,314
    • Issue date Jul 19, 1983
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal ureas and isoureas

    • Patent number 4,370,480
    • Issue date Jan 25, 1983
    • E. I. Du Pont de Nemours and Company
    • George Levitt
    • C07 - ORGANIC CHEMISTRY
  • Information Patent Grant

    Herbicidal sulfonamides

    • Patent number 4,332,611
    • Issue date Jun 1, 1982
    • E. I. Du Pont de Nemours and Company
    • Wallace C. Petersen
    • C07 - ORGANIC CHEMISTRY