Method for automatic color matching of transparent wood stains

Details Method for automatic color matching of transparent wood stains Method for automatic color matching of transparent wood stains

2007-04-17

2009-11-24

Lauchman, L. G (Department: 2877)

Optics: measuring and testing

By shade or color

With sequential comparison of sample and standard

C356S319000, C427S008000, C427S010000, C427S258000

Reexamination Certificate

active

07623241

ABSTRACT:
A method of producing a finish for a paper substrate, wherein the finish provides the paper substrate with a color that matches the color of a target object. In accordance with the method, calculations are performed to determine the quantities of at least one group of colorants required to produce a semitransparent wood stain from a vehicle, wherein when the semitransparent wood stain is applied to the paper substrate, the paper substrate will have a color that matches the target object. The calculations are performed using reflectance measurements of the target object obtained using a spectrophotometer and previously obtained spectral data of the colorants as applied to a paper substrate. The colorants used to form the transparent or semitransparent wood stain do not include a white colorant or black-and-white masstone.

REFERENCES:
patent: 4887217 (1989-12-01), Sherman et al.
patent: 5933578 (1999-08-01), Van de Capelle et al.
patent: 7466415 (2008-12-01), Gibson et al.
patent: 2004/0131756 (2004-07-01), Skierski et al.
patent: 2004048910 (2004-06-01), None
patent: 2004048910 (2004-06-01), None
patent: 2004090488 (2004-10-01), None

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