Patents Assigned to VASE Aktiengesellschaft
  • Patent number: 4071551
    Abstract: New and valuable salts of phosphonic acids whose cationic components are ammonium radicals, agents for influencing the growth of plants with these salts, and a process for their manufacture.
    Type: Grant
    Filed: April 14, 1975
    Date of Patent: January 31, 1978
    Assignee: VASE Aktiengesellschaft
    Inventors: Johann Jung, Karl Kiehs, Bernd Zeeh, Hans Theobald