(under subclass 749) Process in which a living organism is killed or is prevented from normal propagation by the addition of a chemical agent.
(1) Note. The process involving the mere addition of a biocidal algicidal compound or composition with no significant or additional water treatment is classified in Class 424 or Class 504.
SEE OR SEARCH THIS CLASS, SUBCLASS:
753+, for a process including treatment with a halogen containing a compound.
758+, for a process comprising oxidizing.
SEE OR SEARCH CLASS
424, Drug, Bio-Affecting and Body Treating Compositions, appropriate subclass for a biocidal, e.g., bactericide, fungicide, etc., composition. See (1) Note.
426, Food or Edible Material: Processes, Compositions, and Products, appropriate subclasses for preservation of foods by destruction of micro-organism. 504, Plant Protecting and Regulating Compositions,