Patents by Inventor Herbert Estreicher

Herbert Estreicher 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).

  • Patent number: 4699651
    Abstract: The growth of unwanted plants is controlled by certain cinnoline-4-carboxylic acids and congeners thereof.
    Type: Grant
    Filed: August 15, 1985
    Date of Patent: October 13, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: William W. John, Herbert Estreicher, Samuel B. Soloway
  • Patent number: 4666499
    Abstract: Certain 2-methyl-4-phosphinylcinnolinium hydroxide inner salts, useful for controlling unwanted plants.
    Type: Grant
    Filed: August 29, 1985
    Date of Patent: May 19, 1987
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: John R. Ponte, James J. Steffens, Herbert Estreicher
  • Patent number: 4582529
    Abstract: Growth of unwanted plants is controlled by certain acetylene-substituted aminocarboxylic acid compounds.
    Type: Grant
    Filed: December 10, 1984
    Date of Patent: April 15, 1986
    Inventors: Herbert Estreicher, Dennis H. Flint, Richard B. Silverman
  • Patent number: 4564383
    Abstract: The growth of unwanted plants is controlled by 4-(hydroxyiminomethyl)cinnoline and congeners thereof.
    Type: Grant
    Filed: August 15, 1983
    Date of Patent: January 14, 1986
    Assignee: Shell Oil Company
    Inventor: Herbert Estreicher
  • Patent number: 4529806
    Abstract: Novel compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are H or alkyl and R is an optionally-substituted unsaturated, cycloalkyl, secondary-alkyl, aromatic or heterocyclic group, are useful as plant growth regulators and herbicides. Certain intermediates are also novel.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: July 16, 1985
    Assignee: Shell Oil Company
    Inventors: Herbert Estreicher, George B. Payne
  • Patent number: 4504304
    Abstract: Novel compounds of the formula ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are H or alkyl and R is an optionally-substituted unsaturated, cycloalkyl, secondary-alkyl, aromatic or heterocyclic group, are useful as plant growth regulators and herbicides. Certain intermediates are also novel.
    Type: Grant
    Filed: August 29, 1983
    Date of Patent: March 12, 1985
    Assignee: Shell Oil Company
    Inventors: Herbert Estreicher, George B. Payne
  • Patent number: 4486427
    Abstract: Insecticidal 2-(halonitromethylene)-tetrahydro-2H-1,3-thiazines substituted on the nitrogen atom of the ring by a sulfonyl moiety.
    Type: Grant
    Filed: March 17, 1983
    Date of Patent: December 4, 1984
    Assignee: Shell Oil Company
    Inventors: Herbert Estreicher, Samuel B. Soloway
  • Patent number: 4407671
    Abstract: Growth of unwanted plants is controlled by certain 3-aminocyclohexadienecarboxylic acids.
    Type: Grant
    Filed: December 6, 1982
    Date of Patent: October 4, 1983
    Assignee: Shell Oil Company
    Inventors: Dennis H. Flint, Herbert Estreicher