Title:
METHOD FOR MARKING LIQUID HYDROCARBON
Document Type and Number:
Japanese Patent JP3806114
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide an improved method for marking a liquid petroleum hydrocarbon with a plurality of marker.
SOLUTION: The method comprises adding: (i) at least one anthraquinone dye having an absorption maximum in the range from 710-850 nm selected from the group consisting of 1, 4, 5, 8-tetrasubstituted anthraquinones and anthraquinone dimers; and (ii) at least one visible dye having an absorption maximum in the range 500-700 nm, to the liquid petroleum hydrocarbon such as lubricating oil, hydraulic fluid, brake fluid, gasoline, diesel oil, kerosine, jet fuel, or the like.
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Inventors:
David Roderick Baxter
Peter John Cranmer
Kim San Ho
Peter John Cranmer
Kim San Ho
Application Number:
JP2003402771A
Publication Date:
August 09, 2006
Filing Date:
December 02, 2003
Export Citation:
Assignee:
ROHM AND HAAS COMPANY
International Classes:
C10L1/22; C10L1/223; C09B1/26; C09B5/48; C09D11/16; C10L1/00; C10L1/06; C10L1/08; C10L1/18; C10L1/222; C10L10/08; C10M101/02; C10M133/12; C10M133/14; C10L1/20; C10N20/00; C10N30/20; C10N40/08; (IPC1-7): C10L1/22; C10L1/06; C10L1/08; C10L1/18; C10M101/02; C10M133/12; C10M133/14; //C10N20:00; C10N30:20; C10N40:08
Domestic Patent References:
| JP2002511148A | ||||
| JP3115362A | ||||
| JP61291651A | ||||
| JP1129068A | ||||
| JP2001502254A |
Foreign References:
| WO1999000666A1 |
Attorney, Agent or Firm:
Minoru Senda
Hisashi Tsuji
Koji Hashimoto
Hisashi Tsuji
Koji Hashimoto