Chemistry: analytical and immunological testing – Tracers or tags
Patent
1992-01-24
1994-01-18
Alexander, Lyle A.
Chemistry: analytical and immunological testing
Tracers or tags
44419, G01N 3700
Patent
active
052799670
ABSTRACT:
A hydrocarbon liquid identification and tracing system based on fluorescence, high pressure liquid chromatography or thin layer chromatography and N-substituted or N,N'-dialkyl-4-amino-1,8-naphthalimides as the fluorophores is described.
The liquid fuel tracing system based on the above naphthalimides is based on the 2.sup.n -1 binomial system and provides inexpensive and extremely accurate and sensitive monitoring and source identification.
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patent: 3733178 (1973-05-01), Eriksen
patent: 4009008 (1977-02-01), Orelup
patent: 4141692 (1979-02-01), Keller
patent: 4146604 (1979-03-01), Kleinerman
patent: 4278444 (1981-07-01), Beyer et al.
patent: 4755469 (1988-07-01), Showalter
patent: 4783314 (1988-11-01), Hoots et al.
Alexander Lyle A.
Nalco Chemical Company
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