Patents by Inventor Alexander Lawrence Johnson

Alexander Lawrence Johnson 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).

  • 1-(2-Carboxyaryl)-3-aryl-1,2,4-triazoles and use as herbicides
    Patent number: 4069035
    Abstract: Selected 1-(2-carboxyaryl)-4-arylimidazoles and 1-(2-carboxyaryl)-3-aryl-1,2,4-triazoles are useful in making buffer solutions; as picrate dyes; and as plant growth regulators. Exemplary are 1-(2-carboxyphenyl)-4-phenyl-imidazole and 1-(2-carboxyphenyl)-3-phenyl-1,2,4-triazole.
    Type: Grant
    Filed: September 10, 1976
    Date of Patent: January 17, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Alexander Lawrence Johnson
  • 1-(2-Carboxyaryl)-4-arylimidazoles and 1-(2-carboxyaryl)-3-aryl-1,2,4-triazoles
    Patent number: 4038285
    Abstract: Selected 1-(2-carboxyaryl)-4-arylimidazoles and 1-(2-carboxyaryl)-3-aryl-1,2,4-triazoles are useful in making buffer solutions; as picrate dyes; and as plant growth regulators. Exemplary are 1-(2-carboxyphenyl)-4-phenyl-imidazole and 1-(2-carboxyphenyl)-3-phenyl-1,2,4-triazole.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: July 26, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Alexander Lawrence Johnson
  • Pyrazole plant growth regulants
    Patent number: 3948937
    Abstract: Substituted pyrazole compounds have been found to be effective plant growth regulants. Exemplary of the effective compounds are 3-(2-carboxyphenyl)-5-phenylpyrazole, its 2-ethanolamine salt, and 3-(2-carboxy-1-cyclohexen-1-yl)-5-phenylpyrazole.
    Type: Grant
    Filed: September 17, 1973
    Date of Patent: April 6, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Alexander Lawrence Johnson, Philip Bliss Sweetser