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US 8,617,302 B2Granted
White ink composition
AssigneeSeiko Epson Corporation
InventorsIppei Okuda, Tsuyoshi Sano
Life of this patent
Estimating the term…
Abstract
A white ink composition contains a white or whitish pigment, an ethylene-vinyl acetate (EVA) resin or a polyolefin wax, and a fluorene resin or a styrene acrylic resin.
Claims15
A white ink composition comprising:
- a white or whitish pigment;
- an ethylene-vinyl acetate (EVA) resin or a polyolefin wax;
- and
- a resin component that cracks when dropped in an amount of 0.5 g onto a glass slide and dried for 10 minutes under a temperature of 50° C. and a relative humidity of 0% RH.
1 more element
A white ink composition comprising:
- a white or whitish pigment;
- an EVA resin or a polyolefin wax;
- and
- a fluorene resin or a styrene acrylic resin.
1 more element
A white ink composition comprising:
- a white or whitish pigment;
- an ethylene-vinyl acetate (EVA) resin or a polyolefin wax;
- a resin component that cracks when dropped in an amount of 0.5 g onto a glass slide and dried for 10 minutes under a temperature of 50° C. and a relative humidity of 0% RH;
- and
- a ratio (W1/W2) of the EVA resin content (W1) to the resin component content (W2) is in a range of 1/6 to 60/13, inclusive.
2 more elements
A white ink composition comprising:
- a white or whitish pigment;
- an EVA resin or a polyolefin wax;
- and
- a fluorene resin or a styrene acrylic resin, wherein a ratio (W1/W2) of the polyolefin wax content (W1) to the fluorene or styrene acrylic resin component content (W2) is in a range of 1/10 to 6, inclusive, or a ratio (W1/W2) of the EVA resin content (W1) to the fluorene or styrene acrylic resin component content (W2) is in a range of 1/6 to 60/13, inclusive.
1 more element
Dependencies are inferred from the claim text.