Method of measuring color difference of dyestuffs

Details Method of measuring color difference of dyestuffs Method of measuring color difference of dyestuffs

1984-02-06

1986-09-23

Krass, Errol A.

Boots, shoes, and leggings

356405, 356408, 356410, 364554, G01N 2125, G01J 350

Patent

active

046139478

ABSTRACT:
A method for measuring the color difference betweeen a sample dye and a standard dye by testing the color properties of both dyes, which comprises determining, in advance, the relation of the color difference of dyeings (between the standard dye and the dyes of the same family) to the color difference of dye solution (between a standard dye and the dyes of the same family) using the standard dye and two or more, preferably several, representative samples arbitrarily selected from plural lots of dyes, then calculating the color difference of dye solution between the standard dye and a sample dye, and predicting the color difference of dyeings from the calculated color difference of dye solution by referring to the relation obtained.

REFERENCES:
patent: 3601589 (1971-08-01), McCarty
patent: 4090243 (1978-05-01), Kotera et al.
patent: 4267572 (1981-05-01), Witte
patent: 4365303 (1982-12-01), Hannah et al.
patent: 4402611 (1983-09-01), Yuasa
patent: 4439038 (1984-03-01), Mactaggart
patent: 4455084 (1984-06-01), Webb, Jr. et al.

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