Title:
METHODS AND COMPOSITION FOR CLEANING AND PASSIVATING FUEL CELL SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2005/108644
Kind Code:
A2
Abstract:
A cleaner-passivator composition and method for treating a fuel cell cooling system are described. The cleaner-passivator comprises a complexing agent, a surfactant, a corrosion inhibitor, and a solvent. The cleaner-passivator reduces the contaminants circulating in the fuel cell coolant system that contribute to increasing conductivity in the fuel cell coolant. In addition, the passivator reduces the surface corrosion in the fuel cell system.
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Inventors:
YANG BO (US)
MARINHO FILIPE J (US)
WOYCIESJES PETER M (US)
MARINHO FILIPE J (US)
WOYCIESJES PETER M (US)
Application Number:
PCT/US2005/015335
Publication Date:
November 17, 2005
Filing Date:
May 03, 2005
Export Citation:
Assignee:
HONEYWELL INT INC (US)
YANG BO (US)
MARINHO FILIPE J (US)
WOYCIESJES PETER M (US)
YANG BO (US)
MARINHO FILIPE J (US)
WOYCIESJES PETER M (US)
International Classes:
B08B9/02; C11D3/00; C11D3/20; C11D11/00; C23C22/06; C23C22/60; C23G1/14; C23G1/24; F28G9/00; H01M8/04; C11D1/12; C11D1/22; C11D1/24; C11D1/34; C11D1/44; C11D1/72; H01M8/06; (IPC1-7): C23C22/00
Foreign References:
| US5468412A | 1995-11-21 | |||
| US5925173A | 1999-07-20 | |||
| US6548468B1 | 2003-04-15 | |||
| US3962109A | 1976-06-08 | |||
| GB2178220A | 1987-02-04 | |||
| US6207308B1 | 2001-03-27 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 012, no. 077 (E-589), 10 March 1988 (1988-03-10) & JP 62 217570 A (TOKYO ELECTRIC POWER CO INC:THE; others: 01), 25 September 1987 (1987-09-25)
Attorney, Agent or Firm:
Hoiriis, David (101 Columbia Avenue P.O. Box 224, Morristown NJ, US)
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