Patents by Inventor John G. Dingwall

John G. Dingwall 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).

  • Agent and method for influencing plant growth
    Patent number: 4205977
    Abstract: Agent for influencing plant growth, in particular a herbicidal and plant growth-inhibiting agent containing in addition to carriers and/or other additives, at least one compound of the formula: ##STR1## in which R is hydrogen an alkyl group having from 1 to 5C atoms, which is unsubstituted or substituted by hydroxyl, salts thereof with either strong monobasic or polybasic acids or with inorganic or organic bases, or optical isomers thereof, as the active component.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: June 3, 1980
    Assignee: Ciba-Geigy Corporation
    Inventors: John G. Dingwall, Eric K. Baylis, Colin D. Campbell
  • .alpha.-Amino-phosphonous acids for inhibiting bacteria and yeast
    Patent number: 4147780
    Abstract: The present invention relates to new phosphonous acid derivatives, especially to .alpha.-amino-phosphonous acids and processes for their production. The new phosphonous acids are valuable chemotherapeutica in the treatment of pathogenic bacteria, gram-negative bacteria and yeast.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: April 3, 1979
    Assignee: Ciba-Geigy Corporation
    Inventors: John G. Dingwall, Eric K. Baylis, Colin D. Campbell