Optics: measuring and testing – Of light reflection – With diffusion
Reexamination Certificate
2004-07-01
2009-10-13
Geisel, Kara E (Department: 2877)
Optics: measuring and testing
Of light reflection
With diffusion
C356S416000
Reexamination Certificate
active
07602497
ABSTRACT:
The invention relates to reflectance sensors built up from an optical unit, a sample analysis unit and a system control unit, and to a method of measuring the reflectance of a sample in the form of a liquid pigment preparation, and to the use of a reflectance sensor according to the invention for the measurement of the reflectance of liquid pigment preparations in various process stages during the production, further processing and use of the liquid pigment preparations.
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English Abstract for EP 0 472 899, Publication date Mar. 4, 1992.
Berg Jan
Ettmüller Jürgen
Lohmann Jürgen
Schäfer Michael
BASF Coatings AG
Cantor & Colburn LLP
Geisel Kara E
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