Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1990-06-14
1991-07-09
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 8205, 422 8208, 436172, 25037001, 2504621, G01N 3100, G01N 2176, G01J 0000, F21K 200
Patent
active
050304194
ABSTRACT:
The presence of certain chemicals on the emitting surface of the surface-derivatized photoluminescent semiconductor alters the characteristics of radiation emitted from said surface. This alteration is used to indicate the presence of those chemicals in the environment.
REFERENCES:
patent: 3433964 (1969-03-01), Morrison et al.
patent: 4645932 (1987-02-01), Ellis et al.
patent: 4710476 (1987-12-01), Ellis et al.
patent: 4752588 (1988-06-01), Ellis et al.
Ellis Arthur B.
Leung Larry K.
Lisensky George C.
Luebker Elizabeth R. M.
Brunton James E.
Trembley Theresa A.
Warden Robert J.
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