Patent · US Expired

Reflectance sensor for measuring liquid pigment preparations or solid pigmented surfaces

US7602497B2 · kind B2 · utility

0Cited by

6References

15Claims

0Family size

Assignee

BASF COATINGS GMBH · DE

Inventors

Jan Berg · Sarpsborg, NO
Jürgen Lohmann · Hamburg, DE
Michael Schäfer · Hüttenberg, DE
Jurgen Ettmuller · Haßloch, DE

Key dates

Filing date	Jul 1, 2004
Grant date	Oct 13, 2009
Priority date	—
Expiry date	Feb 25, 2025

Classification

Technology area (CPC G)Physics
CPC primaryG01N2021/4769
WIPO fieldMeasurement
WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.