Radiant energy – Radiation tracer methods
Reexamination Certificate
2007-12-18
2007-12-18
Porta, David (Department: 2884)
Radiant energy
Radiation tracer methods
C250S301000, C250S372000
Reexamination Certificate
active
11518637
ABSTRACT:
A method for determining changes of a site, wherein the site is treated with an aqueous dispersion having at least one binder, at least one substance emitting visible light on UV exposure, at least one binder and, optionally, a dispersant and the site thus treated and/or untreated adjacent sites are exposed to UV light and the deviation of the light intensity of the emitted light of a partial area of the site from the mean light intensity of the emitted light of the site area and/or the light intensity of the emitted light of a part of the adjacent, untreated area from the mean light intensity of the emitted light of the adjacent untreated areas and/or the light intensity of the emitted light of the site immediately after the treatment with the composition from the light intensity of the emitted light at a later time and/or the light intensity of the emitted light of the adjacent untreated area immediately after the treatment of the site with the composition from the light intensity of the emitted light of the adjacent, untreated area at a later time are determined.
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DGMK-Fachbereich Kohlenveredlung [DGMK coal conversion department, “Herstellung and Anwendung mehrkemiger Aromaten und Heteroaromaten [Production and use of polymuclear aromatics and heteroaromatics]”, Nov. 28, 1991 in Bochum, pp. 95-118.
Donkels Norbert
Drenker Karl-Heinz
Kahle Volker
Seiler Hans-Jörg
LANXESS Deutschland GmbH
Miller Michael A.
Porta David
Taningco Marcus H
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