Patent ID: 8580905

Claim:
A method of cleaning hard bathroom surfaces comprising applying to said surfaces a foam cleaner comprising a foaming agent and a polymer: the polymer comprising: A. at least one cationic monomeric unit A having a Formula I: wherein R 1 is H or an alkyl having 1 to 10 carbon atoms, R 2 is a moiety selected from the group consisting of wherein R 3 is selected from the group consisting of a is an integer from 0 to 16; b is an integer from 2 to 10; c is an integer from 2 to 10; d is an integer from 1 to 100; R 4 and R 5 are independently selected from the group consisting of —H, and R 8 is independently selected from the group consisting of a bond and an alkylene having 1 to 18 carbon atoms; R 9 and R 10 are independently selected from the group consisting of —H, alkyl having 1 to 10 carbon atoms; R 12 and R 13 are independently selected from the group consisting of H and alkyl having from 1 to 10 carbon atoms; wherein x is an integer from 2 to 10; B. at least one monomeric unit B selected from the group consisting of: a monomeric unit of Formula IV wherein R 20 is selected from the group consisting of H and CH 3 ; R 21 is selected from the group consisting of: wherein e is an integer from 3 to 25; —O—(CH 2 ) f —CH 3 wherein f is an integer from 0 to 25; wherein g is an integer from 1 to 100, h is an integer from 1 to 100, R 23 is —H, —CH 3 or —C 2 H5, R 24 is —CH 3 or —C 2 H5; wherein j is an integer from 1 to 25; wherein k is an integer from 1 to 25; —NH—(CH 2 ) m —NH 2 .HCl, wherein m is an integer from 1 to 25; and a polyhydroxy monomeric unit of Formula VI: wherein n is an integer from 1 to 50; and C. optionally at least one monomeric unit C selected from the group consisting of: wherein R 25 is —H or —CH 3 , wherein R 26 is —H or CH 3 .