Patent ID: 7183342

Claim:
A flame retardant aromatic polycarbonate resin composition comprising: 100 parts by weight of an aromatic polycarbonate (A), 0.01 to 0.5 part by weight of branched metal oxide particles (B), each independently being a branched metal oxide aggregate or a branched metal oxide agglomerate, 0.0001 to 0.2 part by weight of an alkali metal salt (C) of an organic sulfonic acid, and 0.01 to 0.5 part by weight of a fluoropolyrner (D), said branched metal oxide particles (B) being dispersed in a mixture of said aromatic polycarbonate (A), said alkali metal salt (C) and said fluoropolymer (D), wherein at least 70% of said branched metal oxide particles (B) have a diameter within the range of from 10 to 200 nm.