Patents Represented by Attorney, Agent or Law Firm Norris, McLauglin & Marcus
  • Halobenzimidazoles and their use as microbicides
    Patent number: 6127547
    Abstract: New halogenobenzimidazoles of the formula ##STR1## in which A, R.sup.1, R.sup.2, R.sup.3, R.sup.4 and X have the meanings given in the description, and their acid addition salts and metal salt complexes, a process for their preparation and their use as microbicides in crop protection and in the protection of materials.New intermediates of the formula ##STR2## in which R.sup.12 -R.sup.17 and X have the meanings given in the description, and processes for the preparation of these substances.
    Type: Grant
    Filed: August 25, 1999
    Date of Patent: October 3, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Lutz Assmann, Albrecht Marhold, Ralf Tiemann, Klaus Stenzel
  • Method and device for the contamination-free metering and conveying of solid powders which are to be dispersed or dissolved
    Patent number: 6079911
    Abstract: A device for the contamination-free conveying of powders which has a movable cone arranged within a discharge hopper, which, when in an open position, forms an annular gap between itself and the wall of the hopper. The amount of powder which is discharged through the annular gap is controlled by the amount of time the cone remains in the open position. The powder which is discharged from the hopper is supplied to a liquid jet pump, and is conveyed by the liquid jet formed by the liquid jet pump to a dispersing or dissolving tank.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: June 27, 2000
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Wangermann, Alan Viets, Bernd Klinksiek