Patents by Inventor Richard F. Sauers

Richard F. Sauers 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).

  • Benzenesulfonamides as herbicides
    Patent number: 4773927
    Abstract: This invention relates to ortho-heterocyclicbenzenesulfonylureas and, more particularly, to orthofuranylbenzenesulfonylureas, orthothienylbenzenesulfonylureas or ortho-pyrrolylbenzenesulfonylureas and their use in agriculturally suitable compositions as pre-emergence and/or post-emergence herbicides and as plant growth regulants.
    Type: Grant
    Filed: July 22, 1987
    Date of Patent: September 27, 1988
    Assignee: E. I Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Benzenesulfonamides as herbicides
    Patent number: 4699648
    Abstract: This invention relates to ortho-heterocyclicbenzenesulfonylureas and, more particularly, to orthofuranylbenzenesulfonylureas, ortho-thienylbenzenesulfonylureas or ortho-pyrrolylbenzenesulfonylureas and their use in agriculturally suitable compositions as pre-emergence and/or post-emergence herbicides and as plant growth regulants.
    Type: Grant
    Filed: March 5, 1986
    Date of Patent: October 13, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Herbicidal benzenesulfonamides
    Patent number: 4687508
    Abstract: Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c] furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
    Type: Grant
    Filed: December 30, 1985
    Date of Patent: August 18, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Richard F. Sauers
  • Benzenesulfonamides as herbicides
    Patent number: 4592775
    Abstract: This invention relates to ortho-heterocyclicbenzenesulfonylureas and, more particularly, to ortho-furanylbenzenesulfonylureas, ortho-thienylbenzenesulfonylureas or ortho-pyrrolylbenzenesulfonylureas and their use in agriculturally suitable compositions as pre-emergence and/or post-emergence herbicides and as plant growth regulants.
    Type: Grant
    Filed: July 2, 1984
    Date of Patent: June 3, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Herbicidal phenoxy esters of N-(heterocyclic)aminocarbonyl)sulfamic acid
    Patent number: 4581059
    Abstract: Compounds of the class of phenoxy esters of N-[(heterocyclic)aminocarbonyl]sulfamic acid, such as N-[(4,6-dimethoxypyrimidin-2-yl)aminocarbonyl]sulfamic acid. 2-(trifluoromethylthio)phenyl ester, useful as pre-emergent or post-emergent herbicides.
    Type: Grant
    Filed: September 26, 1983
    Date of Patent: April 8, 1986
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: John B. Adams, Jr., Richard F. Sauers
  • Herbicidal benzenesulfonamides
    Patent number: 4578108
    Abstract: Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c] furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: March 25, 1986
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Richard F. Sauers
  • Herbicidal benzenesulfonamides
    Patent number: 4521241
    Abstract: Sulfonylurea compounds which contain dihydroisobenzofuran, dihydroisobenzothiophene, or isoindoline 4-sulfonamide substituents such as 1,3-dihydro-N-[(4-methoxy-6-methylpyrimidin-2-yl)aminocarbonyl]benzo[c] furan-4-sulfonamide and their use as agricultural chemicals, including plant growth regulants and herbicides.
    Type: Grant
    Filed: September 19, 1983
    Date of Patent: June 4, 1985
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: James V. Hay, Richard F. Sauers
  • Benzenesulfonamides as herbicides
    Patent number: 4460401
    Abstract: This invention relates to ortho-heterocyclicbenzenesulfonylureas and, more particularly, to ortho-furanylbenzenesulfonylureas, ortho-thienylbenzenesulfonylureas or ortho-pyrrolylbenzenesulfonylureas and their use in agriculturally suitable compositions as pre-emergence and/or post-emergence herbicides and as plant growth regulants.
    Type: Grant
    Filed: November 1, 1982
    Date of Patent: July 17, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Benzylsulfonyl isocyanates
    Patent number: 4454334
    Abstract: This invention relates to benzylsulfonylureas which are active pre- and post-emergence herbicides.
    Type: Grant
    Filed: September 21, 1983
    Date of Patent: June 12, 1984
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Herbicidal sulfonamides
    Patent number: 4420325
    Abstract: This invention relates to benzylsulfonylureas which are active pre- and post-emergence herbicides.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: December 13, 1983
    Assignee: E. I. Du Pont de Nemours & Company
    Inventor: Richard F. Sauers
  • Herbicidal sulfonamides
    Patent number: 4417917
    Abstract: Certain benzene-1,2-disulfonic acid derivatives are useful as agricultural chemicals, and in particular as herbicides.
    Type: Grant
    Filed: October 20, 1981
    Date of Patent: November 29, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: George Levitt, Richard F. Sauers
  • Herbicidal o-sulfamylmethylbenzenesulfonamides
    Patent number: 4397679
    Abstract: The compounds are of the class of N-[(substituted pyrimidin-2-yl)aminocarbonyl]-2-(sulfonylmethyl)benzenesulfonamides, useful as preemergent or postemergent herbicides or plant growth regulants.
    Type: Grant
    Filed: April 27, 1981
    Date of Patent: August 9, 1983
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • N(Substituted phenylsulfonyl) N'(substituted cyumidin-2-yl) ureas
    Patent number: 4310346
    Abstract: This invention relates to N(Substituted Phenylsulfonyl) N'(Substituted Pyrimidinyl) urea compounds having the formulae I and IA ##STR1## to agricultural compositions containing them and to their methods of use as general as well as selective pre- and post-emergence herbicides and as plant growth regulants.
    Type: Grant
    Filed: May 30, 1980
    Date of Patent: January 12, 1982
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: George Levitt, Richard F. Sauers
  • 1-Alkyl-2,2-dichloro-2(phosphinyl)acetates
    Patent number: 4228109
    Abstract: This invention relates to aliphatic phosphorous containing compounds which are useful as herbicides. Additionally, they demonstrate tolerance towards desired, crops, e.g. wheat and rice.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: October 14, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Herbicidal phosphonates
    Patent number: 4225521
    Abstract: This invention relates to phosphorus containing compounds which are useful as herbicides.Additionally, they demonstrate tolerance towards desired crops, e.g., cotton, soybeans and sugarbeets.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: September 30, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • 1-Alkyl-2,2-dichloro-2(phosphinyl)acetates
    Patent number: 4217312
    Abstract: This invention relates to phosphorus containing compounds which are useful as herbicides.Additionally, they demonstrate tolerance towards desired crops, e.g., cotton, soybeans and sugarbeets.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: August 12, 1980
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Substituted carbamates
    Patent number: 4160034
    Abstract: Insecticidal carbamates, such as dimethyl N,N'-[[1,2-ethanediylbis[thio(methylimino)carbonyloxy]]]bis(ethaneimidothi oate) for control of pestiferous insects belonging to such orders as Lepidoptera, Coleoptera and Diptera.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: July 3, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Substituted carbamates
    Patent number: 4150122
    Abstract: Insecticidal and nematicidal carbamates, such as methyl 2-dimethylamino-N-{[N-methyl-N-(trimethylsilanyl)-amino]carbonyloxy}-2-oxo -ethanimidothioate, for control of pestiferous insects belonging to such orders as Homoptera, Coleoptera and Diptera.
    Type: Grant
    Filed: January 5, 1978
    Date of Patent: April 17, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers
  • Substituted carbamates
    Patent number: 4146618
    Abstract: Insecticidal carbamates, such as ethanimidothioic acid N-[([N-methyl-N-(trimethylsilanyl)amino]-carbonyloxy)]methyl ester, for control of pestiferous insects belonging to such orders as Lepidoptera, Coleoptera and Diptera.
    Type: Grant
    Filed: January 5, 1978
    Date of Patent: March 27, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard F. Sauers