abstract |
A water-insoluble polymer comprising repeating units at least 1/3 of said repeating units having the formula: WHEREIN R1 and R2 are hydrogen or alkyl and R3, R4 and R5 are alkyl groups wherein the total number of carbon atoms in R3, R4 and R5 is at least 12 and X is an anion; is useful in dye mordant compositions in photographic elements. Preferred dye mordants comprise copolymers with styrene or methyl methacrylate. |