07157611 is referenced by 10 patents and cites 14 patents.

A method for marking a liquid petroleum hydrocarbon. The method comprises adding to the liquid petroleum hydrocarbon a pyrazinoporphyrazine dye having an absorption maximum from 700 nm to 900 nm.

Title
Pyrazinoporphyrazines as markers for liquid hydrocarbons
Application Number
10/465211
Publication Number
7157611 (B2)
Application Date
June 19, 2003
Publication Date
January 2, 2007
Inventor
Kim Sang Ho
Richboro
PA, US
Rajiv Manohar Banavali
Rydal
PA, US
Agent
Kenneth Crimaldi
Assignee
Rohm and Haas Company
PA, US
IPC
C10L 1/30
C10L 1/28
C01M 139/00
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