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公开(公告)号：US11578224B2
公开(公告)日：2023-02-14
申请号：US16776657
申请日：2020-01-30
发明人： Tomohiro Aruga , Shintaro Hama , Kiyomi Kumamoto
IPC分类号： C09D11/38 , C09D11/40 , C07F1/08 , C07D311/84 , C07D401/14 , C07D251/54
摘要： An ink set includes a first ink containing the compound represented by formula (y-1) or its salt, a second ink containing one or two or more of the compound represented by formula (m-1) or its salt, the compound represented by formula (m-2) or its salt, a compound represented by formula (m-3) or its salt, and the compound represented by formula (m-4) or its salt, and a third ink containing one or two or more of a compound represented by formula (c-1) or its salt, the compound represented by formula (c-2) or its salt, the compound represented by formula (c-3) or its salt, a compound represented by formula (c-4) or its salt, and the compound represented by formula (c-5) or its salt.
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公开(公告)号：US11511545B2
公开(公告)日：2022-11-29
申请号：US17035902
申请日：2020-09-29
发明人： Jun Ito , Yusuke Mizutaki , Tomohiro Aruga , Kiyomi Kumamoto , Tomoki Maruyama
IPC分类号： B41J2/175 , B41M5/00 , C09D11/107 , C09D11/322 , C09D11/36 , B41J2/01 , B41J2/21
摘要： An ink jet recording apparatus includes an ink composition, an ink encasement in which the ink composition is encased, a recording head that ejects the ink composition, and a carriage configured to move the recording head back and forth. The carriage carries the ink encasement, with the ink encasement integrated with the carriage. The ink encasement has an ink fill port that opens and shuts as a port through which the ink composition is loaded. The ink composition contains a disperse colorant, with the volume-average particle diameter of the disperse colorant being 110.0 nm or more and 200.0 nm or less, and also contains at least one organic solvent with an SP of 9 or more, with the percentage thereof being 10.0% by mass or more.
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公开(公告)号：US11572485B2
公开(公告)日：2023-02-07
申请号：US16776717
申请日：2020-01-30
IPC分类号： C09D11/037 , C09D11/36 , C09D11/40 , C09D11/322 , C09D11/328 , C09B11/24 , C09B29/46 , C09B35/03 , C09B35/025 , C09B47/24 , C09D11/033
摘要： An ink set includes a pigment ink, containing a pigment, and a dye ink containing the compound represented by formula (y-1) below or a salt thereof.
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公开(公告)号：US20210094301A1
公开(公告)日：2021-04-01
申请号：US17035902
申请日：2020-09-29
发明人： Jun Ito , Yusuke Mizutaki , Tomohiro Aruga , Kiyomi Kumamoto , Tomoki Maruyama
IPC分类号： B41J2/175 , B41M5/00 , C09D11/36 , C09D11/322 , C09D11/107
摘要： An ink jet recording apparatus includes an ink composition, an ink encasement in which the ink composition is encased, a recording head that ejects the ink composition, and a carriage configured to move the recording head back and forth. The carriage carries the ink encasement, with the ink encasement integrated with the carriage. The ink encasement has an ink fill port that opens and shuts as a port through which the ink composition is loaded. The ink composition contains a disperse colorant, with the volume-average particle diameter of the disperse colorant being 110.0 nm or more and 200.0 nm or less, and also contains at least one organic solvent with an SP of 9 or more, with the percentage thereof being 10.0% by mass or more.
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公开(公告)号：US11479056B2
公开(公告)日：2022-10-25
申请号：US17035988
申请日：2020-09-29
发明人： Tomohiro Aruga , Jun Ito , Kiyomi Kumamoto , Tomoki Maruyama , Yusuke Mizutaki
IPC分类号： B41M5/00 , C09D11/102 , B41J2/175 , C09D11/328 , C09D11/38
摘要： An ink jet recording apparatus includes an ink composition, an ink encasement in which the ink composition is encased, a recording head that ejects the ink composition, and a carriage configured to move the recording head back and forth. The carriage carries the ink encasement, with the ink encasement integrated with the carriage. The ink encasement has an ink fill port that opens and shuts as a port through which the ink composition is loaded and also has a detector that detects the amount of ink composition encased. The ink composition contains a surfactant with an HLB of 6 or less.
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公开(公告)号：US10717888B2
公开(公告)日：2020-07-21
申请号：US16037147
申请日：2018-07-17
发明人： Shintaro Hama , Ryosuke Teramoto , Kiyomi Kumamoto , Tetsuya Aoyama , Tomohiro Aruga , Kazuma Tsutsumi
IPC分类号： C09D11/40 , B41M5/00 , B41J2/01 , C09D11/328 , C09D11/033 , C09D11/38
摘要： An ink composition contains dyes A and B. Dye A has a width at a half height of the largest peak in the absorption spectrum between 380 nm and 780 nm that is 50 nm or less. Dye B has a corresponding width at the half height that is 70 nm or more. Dye A is present in an amount of 40% by mass or more and 90% by mass or less of the total mass of the dyes.
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公开(公告)号：US12091564B2
公开(公告)日：2024-09-17
申请号：US17487040
申请日：2021-09-28
IPC分类号： C09D11/328 , C09B67/22 , C09D11/033 , C09D11/037
CPC分类号： C09D11/328 , C09B67/0045 , C09D11/033 , C09D11/037
摘要： An ink accommodating body accommodating an ink composition is provided, in which the ink composition contains water and a first dye that is a compound represented by Formula (B-1) or a salt thereof, a content of the first dye in the ink composition is 0.5% by mass or more with respect to a total amount of the ink composition, and a value of a ratio (A/V) is 1.7 or less where a total surface area of a metal, of the ink accommodating body, in contact with the ink composition is A (cm2) and an accommodation capacity for the ink composition accommodated in the ink accommodating body is V (cm3).
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公开(公告)号：US11643567B2
公开(公告)日：2023-05-09
申请号：US16872472
申请日：2020-05-12
发明人： Yusuke Mizutaki , Kiyomi Kumamoto
IPC分类号： C09D11/326 , C09D11/328 , C08L33/08 , C08L71/02 , C08K9/00 , B41J2/14 , B41J2/175 , C08K3/04 , B41J2/21 , C09D11/40
CPC分类号： C09D11/326 , B41J2/1433 , B41J2/17523 , B41J2/2107 , C08K3/04 , C08K9/00 , C08L33/08 , C08L71/02 , C09D11/328 , C09D11/40 , C08K2201/006
摘要： An ink set according to an aspect of the present disclosure includes a first ink and a second ink, the ink set described above is used for an ink jet recording apparatus which includes a recording head having at least one first ejection port which ejects the first ink and at least one second ejection port which ejects the second ink; and a cap which collectively caps the first ejection port and the second ejection port, the first ink contains water and a self-dispersible pigment, and the second ink contains water, a water-soluble dye, and a pigment dispersant.
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公开(公告)号：US11505711B2
公开(公告)日：2022-11-22
申请号：US17035965
申请日：2020-09-29
发明人： Tomoki Maruyama , Yusuke Mizutaki , Tomohiro Aruga , Kiyomi Kumamoto , Jun Ito
IPC分类号： C09D11/322 , B41J2/21 , C09D11/40 , B41J2/175 , B41J2/14
摘要： An ink jet recording apparatus includes an ink composition, an ink encasement in which the ink composition is encased, a recording head that ejects the ink composition, and a carriage configured to move the recording head back and forth. The carriage carries the ink encasement, with the ink encasement integrated with the carriage. The ink encasement has an ink fill port that opens and shuts as a port through which the ink composition is loaded. The ink composition contains a water-soluble dye and a polyhydric alcohol with a normal boiling point of 270° C. or above, with the percentage of the polyhydric alcohol being 26.0% by mass or less of the total amount of the ink composition.
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公开(公告)号：US11499064B2
公开(公告)日：2022-11-15
申请号：US17035940
申请日：2020-09-29
发明人： Kiyomi Kumamoto , Yusuke Mizutaki , Jun Ito , Tomohiro Aruga , Tomoki Maruyama
IPC分类号： B41J2/195 , C09D11/328
摘要： An ink jet recording apparatus includes an ink composition, an ink encasement in which the ink composition is encased, a recording head that ejects the ink composition, and a carriage configured to move the recording head back and forth. The carriage carries the ink encasement, with the ink encasement integrated with the carriage. The ink encasement has an ink fill port that opens and shuts as a port through which the ink composition is loaded. The ink composition contains a disperse colorant, with the volume-average particle diameter of the disperse colorant being 105.0 nm or less.
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