Patent ID: 9550963
Date: 2017-01-24
CPC Classifications: B08B,C11D

Claim:
1. A concentrated pre-treatment or pre-soak APE-free composition comprising: from about 40 wt-% to about 95 wt-% of a nonionic surfactant blend, wherein the surfactant blend comprises (a) a linear fatty alcohol ethoxylate, (b) a branched fatty alcohol ethoxylate selected from the group consisting of a Guerbet alcohol ethoxylate and a Guerbet ethoxylate, and (c) an ethylene oxide-propylene oxide (EO-PO) block copolymer, wherein the ratio of linear fatty alcohol ethoxylate to branched fatty alcohol ethoxylate to EO-PO block copolymer is from about 1:1:1 to about 10:1:10; and optionally from about 5 wt-% to about 60 wt-% stabilizers and/or water.