EP3387091A1 - COMPLEX HALOGEN-FREE SOLID FLAME-RETARDANT AGENT COMPOSITION FOR POLYMER MOLDING COMPOUNDS, CONSISTING OF A REACTION PRODUCT OF POROUS BORON SILICATE GLASS PARTICLES WHICH ARE PRODUCED BY MEANS OF A HIGH-TEMPERATURE EXTRUSION PROCESS AND WHICH MELT AT LOW TEMPERATURES, MELAMINE, AND AMMONIUM NITRATE, AND METHOD FOR PRODUCING SAME | Patent Bear