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US 12,528,946 B2Granted
Yellow and magenta donor formulations for increased red vividness
AssigneeKodak Alaris Inc.
InventorsDavid G. Foster, Donald M. Reiman, Jacob Pylypciw, Michael H. Schild
Life of this patent
Estimating the term…
Abstract
Yellow and magenta donor formulations that produce higher quality prints with fewer defects. The yellow and magenta formulas can be combined to form a red color representation with higher vividness and gamut.
Claims19
A yellow donor, comprising:
- a solvent mixture of toluene, methanol, and cyclopentanone;
- between about 12.40 and 16.40 mg/ft2 of a first yellow dye;
- between about 3.67 and 4.85 mg/ft2 of a second yellow dye;
- between about 1.74 and 2.30 mg/ft2 of a third yellow dye;
- between about 16.57 and 21.92 mg/ft2 of a cellulose acetate propionate;
- between about 2.61 and 3.45 mg/ft2 of a plasticizer;
- between about 0.296 and 0.391 mg/ft2 of spacer beads;
- and
- wherein the first yellow dye has a structure of:
- the second yellow dye has a structure of:
- and the third yellow dye has a structure of:
8 more elements
A magenta donor, comprising:
- a solvent mixture of toluene, methanol, and cyclopentanone;
- between about 7.83 and 10.35 mg/ft2 of a first magenta dye;
- between about 7.83 and 10.35 mg/ft2 of a second magenta dye;
- between about 0.85 and 1.15 mg/ft2 of a third magenta dye;
- between about 17.39 and 23.00 mg/ft2 of a cellulose acetate propionate;
- between about 4.81 and 6.36 mg/ft2 of a plasticizer;
- between about 0.687 and 0.909 mg/ft2 of spacer beads;
- and
- wherein the first magenta dye has a structure of:
- the second magenta dye has a structure of:
- and the third magenta dye has a structure of:
8 more elements
A red color representation, comprising:
- a combination of a magenta donor and a yellow donor, wherein the magenta donor has a vividness of up to 88 linear CIELAB units and a hue sector gamut of up to 185,738 cubic CIELAB units and the red color has a vividness of up to 91 linear CIELAB units, and wherein the yellow donor comprises:
- a solvent mixture of toluene, methanol, and cyclopentanone;
- between about 12.40 and 16.40 mg/ft2 of a first yellow dye;
- between about 3.67 and 4.85 mg/ft2 of a second yellow dye;
- between about 1.74 and 2.30 mg/ft2 of a third yellow dye;
- between about 16.57 and 21.92 mg/ft2 of a cellulose acetate propionate;
- between about 2.61 and 3.45 mg/ft2 of a plasticizer;
- between about 0.296 and 0.391 mg/ft2 of spacer beads;
- and
- wherein the first yellow dye has a structure of:
- the second yellow dye has a structure of:
- and the third yellow dye has a structure of:
9 more elements
Dependencies are inferred from the claim text.