1-Ethenyl-2-pyrrolidinone Polymer With 2-(Dimethylamino)ethyl 2-Methyl-2-propenoate Compound With DiethylSulfate;Sulfuric Acid Diethyl Ster Compound With 2-(Dimethylamino)ethyl 2-Methyl-2-propenoate Polymer With 1-Ethenyl-2-pyrrolidinone; Celquat 200; Copolymer 755; Dehyquart CC 11; Flocare C 111; Gafquat 440; Gafquat 734; Gafquat 755; Gafquat 755N; Gafquat 755N-P; Gafquat 755N-PP; Gafquat 755N-PW; HC 1S; HC Polymer 1N; HC Polymer 1S; HC Polymer S; HC Polymer S(M); HC Polymer 2L; HC Polymer 3A; HC Po