The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 24, 2006
Filed:
Apr. 05, 2004
Karl-heinz Drenker, Solingen, DE;
Hans-jörg Seiler, Leverkusen, DE;
Volker Kahle, Bergisch Gladbach, DE;
Norbert Donkels, Mönchengladbach, DE;
Karl-Heinz Drenker, Solingen, DE;
Hans-Jörg Seiler, Leverkusen, DE;
Volker Kahle, Bergisch Gladbach, DE;
Norbert Donkels, Mönchengladbach, DE;
Bayer Chemicals AG, Leverkusen, DE;
Abstract
A composition and a method for determining changes of a site. The composition includes an aqueous dispersion including at least one binder, at least one substance emitting visible light on UV exposure and optionally a dispersant. The method includes treating the site with a composition, exposing the treated site and/or the untreated areas adjacent thereto to UV light, and determining the deviation of 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.