Patent 7235517 was granted and assigned to 3M on June, 2007 by the United States Patent and Trademark Office.
Degreasing compositions that may be used, for example, to degrease substrates such as contaminated surfaces of automobile engines are disclosed. The degreasing compositions comprise a builder, an amphoteric surfactant, and an alkoxylated acetylenic diol having the structure of formula (I) or (II):