Patents Examined by Robert Lelkesi
  • 2-chloro-4,6-diamino-s-triazines as algicides
    Patent number: 4659359
    Abstract: Mixtures of(a) a 2-chloro-4,6-diamino-s-triazine of the formula I ##STR1## wherein R.sup.1 is alkyl having 2-5 C atoms or cycloalkyl having 3-5 C atoms, and R.sup.2 is alkyl having 3-5 C atoms or cycloalkyl having 3-5 C atoms, and(b) active halogen or an agent releasing active halogen are suitable for the combating of algae and simultaneous disinfection in water reservoirs, particularly in swimming-baths, and also in cooling-water circulation systems.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: April 21, 1987
    Assignee: Ciba-Geigy Corporation
    Inventors: Joachim Lorenz, Reinhardt Grade