Patents Assigned to DPC d.o.o.
  • Utilization of porphyrin derivatives in aquaria
    Patent number: 6716794
    Abstract: The invention relates to the utilization of photosensitizers for controlling algae and bacteria in aquaria, whereby compounds of the tetrapyrrol and tetraazopyrrol families having at least one positive charge are used as sensitizers.
    Type: Grant
    Filed: September 7, 2001
    Date of Patent: April 6, 2004
    Assignee: DPC d.o.o.
    Inventors: Moshe Schaffer, Alexander Holtz, Giulio Jori, Michelangelo Marullo