Synonyms: 1-Ethenyl-3-methyl-1H-imidazoliumchloridepolymerwith1-ethenyl-2-pyrrolidone;1h-imidazolium,1-ethenyl-3-methyl-,chloride,polymerwith1-ethenyl-2-pyrroli;luviquat篓fc905;Polyquaternium-16;1H-Imidazolium, 1-ethenyl-3-methyl-, chloride, polymer with 1-ethenyl-2-pyrrolidinone;Polyquaternium-16 1h-imidazolium, 1-ethenyl-3-methyl-, chloride, polymer with 1-ethenyl-2-pyrroli;vinylimidazolium methochloride/vinylpyrrolidone copolymer;LuviquatTM HM 552