4. Optics: measuring and testing
  5. By shade or color
  6. Tristimulus examination

Wilhelm Kettler

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Method for matching a colour formulation

Optics: measuring and testing – By shade or color – Tristimulus examination
Patent

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Method for matching color and appearance of a coating...

Data processing: database and file management or data structures – Database and file access – Record – file – and data search and comparisons
Reexamination Certificate

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Non-destructive method of determining the refractive index...

Optics: measuring and testing – Refraction testing
Reexamination Certificate

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Recipe calculation method for matt color shades

Image analysis – Color image processing – Color correction
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1073766

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