The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 28, 1989
Filed:
Jan. 15, 1988
Applicant:
Inventors:
Jeffrey B Woodson, Lake Jackson, TX (US);
Lance A Cooper, Lake Jackson, TX (US);
Helen M White, Lake Jackson, TX (US);
Gordon C Fischer, Angleton, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
134 2219 ; 134 23 ; 134 33 ; 134 42 ; 252153 ; 252170 ; 252173 ; 25217421 ; 252547 ; 252548 ; 252D / ;
Abstract
Gas turbine compressors are cleaned during power generation (on line) by periodically injecting or spraying into the air inlet, a cleaning composition comprising 4-95 percent by weight of a glycol ether such as ethylene glycol butyl ether, or a mixture of glycol ethers such as propylene glycol methyl ether and dipropylene glycol methyl ether, 0.1 to 14 percent by weight of a nonionic surfactant, 0.01 to 6 percent by weight of a cationic surfactant and 0 to 95 percent by weight of water.