Patents by Inventor Hansjuergen A. Schroeder

Hansjuergen A. Schroeder 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).

  • 2-Selenopyridine-N-oxide derivatives and their use as fungicides and bactericides
    Patent number: 4496559
    Abstract: Disclosed are selected derivatives of 2-selenopyridine-N-oxide and their use as fungicides and bactericides.
    Type: Grant
    Filed: September 2, 1981
    Date of Patent: January 29, 1985
    Assignee: Olin Corporation
    Inventors: Richard Henderson, Eugene F. Rothgery, Hansjuergen A. Schroeder
  • 3-Lower alkoxy-6-trichloromethylpyridazines and their use as fungicides
    Patent number: 4263297
    Abstract: 3-halo- and 3-lower alkoxy-6-trichloromethylpyridazine compounds are disclosed as fungicides.
    Type: Grant
    Filed: October 20, 1977
    Date of Patent: April 21, 1981
    Assignee: Olin Corporation
    Inventors: Eugene F. Rothgery, Hansjuergen A. Schroeder
  • Selected 3-trichloromethyl-5-cyclic amine-1,2,4-thiadiazole compounds and their use as ammonium nitrification inhibitors
    Patent number: 4226609
    Abstract: Disclosed are selected 3-trichloromethyl-5-cyclic amine-1,2,4-thiadiazole compounds. These compounds can be applied to or spread upon soil by themselves or in inert carriers or with nitrogen-containing fertilizers to inhibit ammonium nitrification in the soil.
    Type: Grant
    Filed: March 1, 1979
    Date of Patent: October 7, 1980
    Assignee: Olin Corporation
    Inventors: Lawrence E. Katz, Walter A. Gay, Hansjuergen A. Schroeder
  • Use of 1-lower alkoxy-4-trichloromethylphthalazines as an insecticide
    Patent number: 4225599
    Abstract: Disclosed are 1-halo- and 1-lower alkoxy-4-trichloromethylphthalazines as novel compositions of matter and their use as fungicides or insecticides or both.
    Type: Grant
    Filed: June 28, 1979
    Date of Patent: September 30, 1980
    Assignee: Olin Corporation
    Inventors: Eugene F. Rothgery, Hansjuergen A. Schroeder
  • 1-Halo- and 1-lower alkoxy-4-trichloromethylphthalazines
    Patent number: 4179559
    Abstract: 1-halo- and 1-lower alkoxy-4-trichloromethylphthalazines are disclosed as fungicides and as novel compositions of matter.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: December 18, 1979
    Assignee: Olin Corporation
    Inventors: Eugene F. Rothgery, Hansjuergen A. Schroeder
  • Method of controlling fungi using phthalazine compounds
    Patent number: 4139622
    Abstract: 1-halo- and 1-lower alkoxy-4-trichloromethylphthalazines are disclosed as fungicides and as novel compositions of matter.
    Type: Grant
    Filed: October 20, 1977
    Date of Patent: February 13, 1979
    Assignee: Olin Corporation
    Inventors: Eugene F. Rothgery, Hansjuergen A. Schroeder