Patent ID: 7442245

Claim:
An ink composition for inkjet recording, comprising water and a compound represented by the following Structure: wherein at least one of Z 1 , Z 2 , Z 3 , and Z 4 is neither hydrogen nor comprises a terminal hydroxy group from an alkylene oxide repeat unit; each of R 1 , R 2 and R 3 are independently selected from the group consisting of hydrogen and methyl, R 4 is —H, —CH 3 , —C 2 H 5 , or —C 3 H 7 , or —CH 2 O(CH 2 CHR 5 O) x4 Z 4 , wherein each R 5 is independently hydrogen or methyl; b is 0 or 1; x 1 , x 2 , x 3 , and x 4 are each equal to at least 1, the sum of x 1 , x 2 , x 3 is 3 to 45 when R 4 is not —CH 2 O(CH 2 CHR 5 O) x4 Z 4 , and the sum x 1 , x 2 , x 3 , and x 4 is from 3 to 60 when R 4 is —CH 2 O(CH 2 CHR 5 O) x4 Z 4 .