Title:
BLEND DYES AND METHOD OF IDENTIFYING LEAKS
Document Type and Number:
WIPO Patent Application WO2005010428
Kind Code:
A3
Abstract:
A blended dye for use in a coolant. In one embodiment of the invention, the blended dye includes a first water miscible dye adapted to fluoresce when illuminated with a light. The first dye preferably has a wavelength of about 340 nm to about 420 nm. The blended dye also includes a second water miscible dye adapted to fluoresce when illuminated with a light having a wavelength of about 400 nm to about 460 nm. The second dye has a different composition from the first dye.
Inventors:
DUERR JOHN T (US)
Application Number:
PCT/US2004/023482
Publication Date:
April 14, 2005
Filing Date:
July 21, 2004
Export Citation:
Assignee:
SPECTRONICS CORP (US)
DUERR JOHN T (US)
DUERR JOHN T (US)
International Classes:
G01M3/20; G01M3/38; (IPC1-7): G01N33/24
Foreign References:
| US4326981A | 1982-04-27 | |||
| US6327897B1 | 2001-12-11 | |||
| US5250708A | 1993-10-05 | |||
| US6165384A | 2000-12-26 |
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