Patent 7655609 was granted and assigned to Milliken & Company on February, 2010 by the United States Patent and Trademark Office.
The invention relates to a soil release agent comprising a multi-branched soil release/wetting agent having an oxygen-containing polyfunctional base compound and at least two surfactant branches attached thereto, wherein each surfactant branch includes at least one hydrophilic and at least one hydrophobic constituent and a polyester release agent in an aqueous solution.