Patent Number: 6,310,022

Title: Chemical cleaning solution for gas turbine blades

Abstract: The invention is directed to a chemical cleaning composition containing a hydroxylated wetting agent, a chelating agent, an emulsifier, optionally a crown ether, and optionally a non-aromatic solvent. The cleaning composition is 100% biodegradable, water-based, and able to remove adhered particles having a particle size of less than 35 micrometers. The invention also relates to a process for cleaning a substrate such as a gas turbine engine.

Inventors: Amiran; Mohsen C. (Des Plaines, IL)

Assignee: BioGenesis Enterprises, Inc.

International Classification: C11D 1/72 (20060101); C11D 3/20 (20060101); C11D 1/825 (20060101); C11D 3/33 (20060101); C23G 5/00 (20060101); C11D 11/00 (20060101); C11D 3/26 (20060101); C23G 5/032 (20060101); F01D 25/00 (20060101); C11D 001/66 (); C11D 001/825 ()

Expiration Date: 10/30/2018