Patents by Inventor Morris P. Rorer

Morris P. Rorer 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).

  • Substituted pyridine herbicides
    Patent number: 5438033
    Abstract: This invention relates to certain herbicidal pyridine compounds, agriculturally suitable compositions and a method of use of herbicidal pyridine compounds.
    Type: Grant
    Filed: December 9, 1993
    Date of Patent: August 1, 1995
    Assignee: E. I. duPont de Nemours and Company
    Inventors: Joseph E. Drumm, Renee M. Lett, Dennis R. Rayner, Morris P. Rorer, Chi-Ping Tseng
  • Herbicidal sulfonamides
    Patent number: 4995901
    Abstract: Herbicidal sulfonamides having the general formula ##STR1## wherein J, W, R and A are more particularly described herein, such compounds and agricultural compositions containing them being useful as preemergent or postemergent herbicides or both, or as plant growth regulants, including the manner of their use.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: February 26, 1991
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicides for weed control in rice
    Patent number: 4981506
    Abstract: This invention relates to certain herbicidal sulfonamides, intermediates for their preparation, agriculturally suitable compositions of the sulfonamides and a method of use of the sulfonamides as a selective preemergent or postemergent herbicide or as a plant growth regulant.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: January 1, 1991
    Assignee: E. I. DuPont de Nemours and Company
    Inventors: Gene A. Bozarth, Stephen K. Gee, Kanu M. Patel, Larry W. Peterson, Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4906282
    Abstract: Herbicidal sulfonamides having the general formula ##STR1## wherein J, W, R and A are more particularly described herein, such compounds and agricultural compositions containing them being useful as preemergent or postemergent herbicides or both, or as plant growth regulants, including the manner of their use.
    Type: Grant
    Filed: June 15, 1988
    Date of Patent: March 6, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4902339
    Abstract: The invention relates to certain sulfonylurea compounds having a carbocyclic or heterocyclic ring ortho to the sulfonylurea linkage, compositions thereof and a method of their use as herbicides or plant growth regulants.
    Type: Grant
    Filed: August 30, 1988
    Date of Patent: February 20, 1990
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Joel R. Christensen, Morris P. Rorer
  • Herbicidal heterocyclicmethylenebenzenesulfonamides
    Patent number: 4851030
    Abstract: Novel benzenesulfonamide compounds containing an ortho-heterocyclicmethylene substituent such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-2-(5-methylthio-1,3,4-thiad iazol-2-ylmethyl)benzenesulfonamide are useful as preemergent and/or postemergent herbicides and/or plant growth regulants.
    Type: Grant
    Filed: December 8, 1986
    Date of Patent: July 25, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4810282
    Abstract: This invention relates to ortho-(isoxazolyl, isothiazolyl, pyrazolyl, thiadiazolyl, oxadiazolyl, and triazolyl)benzenesulfonamides and their use as herbicides.
    Type: Grant
    Filed: June 10, 1987
    Date of Patent: March 7, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4801327
    Abstract: The invention relates to certain sulfonylurea compounds having a carbocyclic or heterocyclic ring ortho to the sulfonylurea linkage, compositions thereof and a method of their use as herbicides or plant growth regulants.
    Type: Grant
    Filed: March 26, 1986
    Date of Patent: January 31, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Joel R. Christensen, Morris P. Rorer
  • Herbicidal pyridinesulfonamides
    Patent number: 4784684
    Abstract: Novel pyridinesulfonamide compounds containing ortho-heterocyclic substituents such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-2-(1H-1,2,4-triazol-1-yl)-3 -pyridinesulfonamide display utility as herbicides and plant growth regulants.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: November 15, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4764205
    Abstract: This invention relates to herbicidal benzene sulfonamides containing a five or six membered heterocyclic ring consisting of 2-3 heteroatoms and 1-2 carbonyl groups as a substituent on benzene.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: August 16, 1988
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal heterocyclicbenzylsulfonamides
    Patent number: 4699649
    Abstract: Novel benzylsulfonamide compounds containing ortho-heterocyclic substituents such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-2-[5-(methylthio)-1,3,4-oxa diazol-2-yl]benzenemethanesulfonamide are useful as preemergent and/or postemergent herbicides or plant growth regulants.
    Type: Grant
    Filed: April 15, 1985
    Date of Patent: October 13, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4699647
    Abstract: This invention relates to herbicidal benzene sulfonamides containing a five or six membered heterocyclic ring consisting of 2-3 heteroatoms and 1-2 carbonyl groups as a substituent on benzene.
    Type: Grant
    Filed: March 27, 1986
    Date of Patent: October 13, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4695311
    Abstract: This invention relates to ortho-(isoxazolyl, isothiazolyl, pyrazolyl, thiadiazolyl, oxadiazolyl, and triazolyl)benzenesulfonamides and their use as herbicides.
    Type: Grant
    Filed: May 9, 1986
    Date of Patent: September 22, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Benzofuran and benzothiophene sulfonamides
    Patent number: 4695310
    Abstract: Benzofuran and benzothiophene sulfonamides show utility as herbicides and plant growth regulants.
    Type: Grant
    Filed: January 23, 1986
    Date of Patent: September 22, 1987
    Assignee: E. I. Du Pont De Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal pyridinesulfonamides
    Patent number: 4668279
    Abstract: Novel pyridinesulfonamide compounds containing ortho-heterocyclic substituents such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-2-(1H-1,2,4-triazol-1-yl)-3 -pyridinesulfonamide display utility as herbicides and plant growth regulants.
    Type: Grant
    Filed: April 22, 1985
    Date of Patent: May 26, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfonamides
    Patent number: 4606755
    Abstract: This invention relates to ortho-(isoxazolyl, isothiazolyl, pyrazolyl, thiadiazolyl, oxadiazolyl, and triazolyl)benzenesulfonamides and their use as herbicides.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: August 19, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Benzofuran and benzothiophene sulfonamides
    Patent number: 4589909
    Abstract: Benzofuran and benzothiophene sulfonamides show utility as herbicides and plant growth regulants.
    Type: Grant
    Filed: March 6, 1985
    Date of Patent: May 20, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Benzofuran sulfamates
    Patent number: 4576632
    Abstract: Benzofuran sulfamates are useful as plant growth regulants and in particular as herbicides.
    Type: Grant
    Filed: November 7, 1984
    Date of Patent: March 18, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal sulfamates
    Patent number: 4514214
    Abstract: This invention relates to 2-(heterocyclic)phenyl sulfamates which are useful as agricultural chemicals.
    Type: Grant
    Filed: August 6, 1984
    Date of Patent: April 30, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Morris P. Rorer
  • Herbicidal heterocyclicbenzylsulfonamides
    Patent number: H890
    Abstract: Novel benzylsulfonamide compounds containing ortho-heterocyclic substitutents such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]-2-[5-(methylthio-1,3,4-oxad iazol-2-yl]benzenemethanesulfonamide are useful as preemergent and/or postemergent herbicides or plant growth regulants.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: February 5, 1991
    Inventor: Morris P. Rorer