Patent ID: 7988863
Filing Date: 2011-08-02
Classification: C02F,Y10S

Abstract:
1. A method for reducing the formation of aluminosilicate containing scale in an industrial process having an alkaline process stream comprising the step of: adding to the alkaline process stream an aluminosilicate containing scale inhibiting amount of a polymer according to the formula: wherein, a=1-100, x/x+y+z=5-100%, y/x+y+z and z/x+y+z=0-100%; A is chosen from —NH(CH B is chosen from —N(CH wherein: Ar is aryl or aralkyl; and R″ is a substituent selected from the group consisting of H; a C1-C20 alkyl, alkenyl, aryl, or aralkyl group optionally substituted; a group I or II metal; and ammonium salts of formula NR1R2R3R4