US Patent No: 5,662,736
Number of patents in Portfolio can not be more than 2000
Hot melt ink
Stats
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Sep 2, 1997
Issued date -
Apr 16, 1996
filing date -
08/633,034
serial no -
In Force
status
Importance
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Abstract
A hot melt ink includes at least one wax, at least one coloring material, a first resin having a softening point ranging from room temperatures to 100.degree. C., and a second resin having a softening point ranging from 50.degree. C. to 150.degree. C. and higher than the softening point of the first resin. The hot melt ink has an appropriate softening point and high light transmittance while maintaining fixing property and appropriate viscosity by combining a resin with a relatively low molecular weight and a resin with a relatively high molecular weight.
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First Claim
Related Publications
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International Classification(s)
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- [Patents Count]
Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 4,390,369 Natural wax-containing ink jet inks | 237 | 1981 | |
| 4,659,383 High molecular weight, hot melt impulse ink jet ink | 74 | 1984 | |
| 4,758,276 Stearic acid-containing ink jet inks | 32 | 1986 | |
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| 5,259,873 Hot melt ink used for ink jet printer | 37 | 1992 | |
| 5,397,388 Hot melt ink for ink jet printers | 26 | 1993 | |
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| 5,053,079 Dispersed pigmented hot melt ink | 22 | 1990 | |
| 5,185,035 Transparent hot melt jet ink | 23 | 1991 | |
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| 5,000,786 Ink composition and ink jet recording apparatus and method | 32 | 1988 | |
| 5,124,719 Ink jet recording method | 33 | 1990 | |
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| 4,820,346 Ink jet printer ink | 32 | 1987 | |
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| 4,835,208 Method for applying a composition to a substrate and a composition for use therein | 16 | 1987 | |