Sulfonated block polyesters useful as soil release agents in det

Details Sulfonated block polyesters useful as soil release agents in det Sulfonated block polyesters useful as soil release agents in det

1988-08-02

1989-08-29

Willis, Prince E.

Compositions

Water-softening or purifying or scale-inhibiting agents

252549, 252DIG2, 252DIG14, C11D 337

Patent

active

048615129

ABSTRACT:
Block polyesters useful as soil release agents in detergent compositions are disclosed. Preferred polyesters have the formula: ##STR1## wherein each R.sup.1 is a 1,4-phenylene moiety; the R.sup.2 consist essentially of ethylene moieties, 1,2-propylene moieties or a mixture thereof; each X is ethyl or preferably methyl; each n is from about 12 to about 43; u is from about 3 to about 10.

REFERENCES:
patent: 3033824 (1962-05-01), Huffman
patent: 3416952 (1968-12-01), McIntyre
patent: 3563942 (1971-02-01), Heiberger
patent: 4104262 (1974-08-01), Schade
patent: 4427557 (1984-01-01), Stockburger
patent: 4713194 (1987-12-01), Gosselink

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