Patents by Inventor Gregory W. Schwing

Gregory W. Schwing 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).

  • Herbicidal sulfonamides
    Patent number: 4640704
    Abstract: This invention relates to N-(heterocyclicaminocarbonyl)-o-alkenylbenzenesulfonamides which are useful as agricultural chemicals.
    Type: Grant
    Filed: October 22, 1985
    Date of Patent: February 3, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Chi-wan Chen, Gregory W. Schwing
  • Herbicidal sulfonamides
    Patent number: 4582525
    Abstract: This invention relates to N-(heterocyclicaminocarbonyl)-o-alkenylbenzenesulfonamides which are useful as agricultural chemicals.
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: April 15, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Chi-wan Chen, Gregory W. Schwing
  • Herbicidal alkenyl benzenesulfonamide
    Patent number: 4474601
    Abstract: This invention relates to N-(heterocyclicaminocarbonyl)-o-alkenylbenzenesulfonamides which are useful as agricultural chemicals.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: October 2, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Chi-wan Chen, Gregory W. Schwing
  • Benezenesulfonylisocyanates
    Patent number: 4424377
    Abstract: This invention relates to a novel class of N-(heterocyclicaminocarbonyl)-o-alkoxymethylbenzene sulfonamide herbicides.
    Type: Grant
    Filed: May 14, 1982
    Date of Patent: January 3, 1984
    Assignee: E. I. Du Pont de Nemours & Co.
    Inventor: Gregory W. Schwing
  • Herbicidal sulfonamides
    Patent number: 4368069
    Abstract: This invention relates to N-(heterocyclicaminocarbonyl)-o-alkenylbenzenesulfonamides which are useful as agricultural chemicals.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: January 11, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Chi-wan Chen, Gregory W. Schwing
  • Herbicidal sulfonamides
    Patent number: 4348220
    Abstract: This invention relates to a novel class of N-(heterocyclicaminocarbonyl)-o-alkoxymethylbenzene sulfonamide herbicides.
    Type: Grant
    Filed: May 27, 1981
    Date of Patent: September 7, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Gregory W. Schwing
  • Herbicidal O-alkyl sulfonylisoureas
    Patent number: 4301286
    Abstract: This invention relates to herbicidal O-alkyl sulfonylisoureas which are useful as herbicides, both general and selective.
    Type: Grant
    Filed: August 20, 1979
    Date of Patent: November 17, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Gregory W. Schwing, Thomas S. Woods
  • Ureidonitriles useful as antihypertensives
    Patent number: 4156738
    Abstract: Ureidonitriles, such as N-(1-cyano-1-methylethyl)-N'-(1,1-dimethylethyl)urea with antihypertensive activity in warm-blooded animals.
    Type: Grant
    Filed: October 7, 1977
    Date of Patent: May 29, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Gregory W. Schwing, William A. Price, Jr., Dewey H. Smith, Jr.
  • Miticidal ethers
    Patent number: 4110473
    Abstract: Naphthoquinone ethers are useful as miticides having improved knockdown characteristics.
    Type: Grant
    Filed: July 14, 1977
    Date of Patent: August 29, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert B. Fugitt, Gregory W. Schwing