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1. 发明授权

US10351722B2 Non-aqueous ink jet composition 有权
公开(公告)号：US10351722B2
公开(公告)日：2019-07-16
申请号：US16185430
申请日：2018-11-09
申请人： Seiko Epson Corporation
发明人： Kenichiro Kubota , Naoki Koike , Jun Ito , Shugo Hattori
IPC分类号： C09D11/36 , C09D11/38 , C09D11/322 , C09D11/106 , C09D11/037 , C09D11/033 , B41J2/01
摘要： A non-aqueous ink jet composition includes a pigment component containing a diketopyrrolopyrrole pigment and an organic solvent. The organic solvent contains glycol ethers. The amount of dissolved nitrogen in the non-aqueous ink jet composition is 90 mass ppm or less based on the total amount of the non-aqueous ink jet composition.

2. 发明授权

US10208219B2 Non-aqueous ink jet composition 有权
公开(公告)号：US10208219B2
公开(公告)日：2019-02-19
申请号：US15414982
申请日：2017-01-25
申请人： Seiko Epson Corporation
发明人： Kenichiro Kubota , Naoki Koike , Jun Ito , Shugo Hattori
IPC分类号： C09D11/36 , B41J2/01 , C09D11/033 , C09D11/037 , C09D11/106 , C09D11/322 , C09D11/38
摘要： A non-aqueous ink jet composition includes a pigment component containing a diketopyrrolopyrrole pigment and an organic solvent. The organic solvent contains glycol ethers. The amount of dissolved nitrogen in the non-aqueous ink jet composition is 90 mass ppm or less based on the total amount of the non-aqueous ink jet composition.

3. 发明授权

US09963606B2 Non-aqueous ink jet ink composition and ink jet recording method 有权
公开(公告)号：US09963606B2
公开(公告)日：2018-05-08
申请号：US15045543
申请日：2016-02-17
申请人： Seiko Epson Corporation
发明人： Naoki Koike , Jun Ito , Kenichiro Kubota , Makoto Nagase
IPC分类号： C09D11/36 , C09D11/322 , C09D11/106 , C09D11/10
CPC分类号： C09D11/36 , C09D11/10 , C09D11/106 , C09D11/322
摘要： A non-aqueous ink jet ink composition contains a white pigment having an average particle diameter of 200 nm or more and 400 nm or less, glycol diether represented by the following formula 1 and having a flash point of 70° C. or less, and glycol monoether represented by the following formula 2: R1O—(R2O)m—R3 Formula 1: (In Formula 1, R1 and R3 each independently represent alkyl groups having 1 to 4 carbon atoms, R2 each independently represents alkylene groups having 2 to 3 carbon atoms, and m is an integer of 1 to 4.); and HO—(R4O)n—R5 Formula 2: (In Formula 2, R4 each independently represents alkylene groups having 2 to 3 carbon atoms, R5 is an alkyl group having 1 to 4 carbon atoms, and n is an integer of 1 to 4.).

4. 发明授权

US09868287B2 Ink jet recording apparatus and method for maintaining the same 有权
公开(公告)号：US09868287B2
公开(公告)日：2018-01-16
申请号：US15064759
申请日：2016-03-09
申请人： Seiko Epson Corporation
发明人： Jun Ito , Makoto Nagase , Kenichiro Kubota , Naoki Koike , Keiji Iida
IPC分类号： B41J2/165
CPC分类号： B41J2/16535 , B41J2/16517 , B41J2/16552 , B41J2002/1655
摘要： Provided is a method for maintaining an ink jet recording apparatus according to the invention in an ink jet recording apparatus which performs recording using a solvent-based ink composition which includes at least one type of organic solvent selected from a group consisting of an ester-based solvent, a hydrocarbon-based solvent, and an alcohol-based solvent, the method including wiping a nozzle forming member, in which nozzles of a head which discharges the solvent-based ink composition are formed, using an impregnation solution and a wiping member with liquid absorbency, in which the impregnation solution contains at least one type of organic solvent selected from a group consisting of a compound which is represented by General Formula (1) below, esters, and dibasic acid esters, R1—O—(R2—O)n—R3 (1) (in General Formula (1) described above, R1 represents a hydrogen atom, an aryl group, or an alkyl group with 1 to 6 carbon atoms, R2 represents an alkylene group with 2 to 4 carbon atoms, R3 represents an aryl group or an alkyl group with 1 to 6 carbon atoms, and n represents an integer of 1 to 9).

5. 发明授权

US09199469B1 Ink jet recording apparatus and maintenance thereof 有权
标题翻译：喷墨记录装置及其维护
公开(公告)号：US09199469B1
公开(公告)日：2015-12-01
申请号：US14711274
申请日：2015-05-13
申请人： Seiko Epson Corporation
发明人： Jun Ito , Makoto Nagase , Kenichiro Kubota , Naoki Koike , Shigeki Suzuki
IPC分类号： B41J2/165
CPC分类号： B41J2/16535 , B41J2/16552 , B41J2002/1655
摘要： A maintenance method of an ink jet recording apparatus that performs recording of images on a recording medium using a non-aqueous ink, in which the ink jet recording apparatus includes a nozzle forming surface in which nozzles that discharge the non-aqueous ink are provided; and a wiping member with liquid absorbency, the method including wiping the nozzle forming surface with the wiping member using an impregnating solution, and in which the impregnating solution contains at least one organic solvent selected from a group consisting of compounds represented by the following General Formula (I), esters, and dibasic acid esters. R1—O—(R2—O)n—R3 (I) (in General Formula (I) shown above, R1 represents a hydrogen atom, an aryl group, or an alkyl group with 1 to 6 carbon atoms, R2 represents an alkylene group with 2 to 4 carbon atoms, R3 represents an aryl group or an alkyl group with 1 to 6 carbon atoms, and n represents an integer of 1 to 9).
摘要翻译：一种喷墨记录装置的维护方法，其使用非水性墨水在记录介质上记录图像，其中喷墨记录装置包括：喷嘴形成表面，其中设置有排出非水墨的喷嘴; 以及具有吸液性的擦拭部件，该方法包括使用浸渍溶液将擦拭部件擦拭喷嘴形成表面，并且其中浸渍溶液含有至少一种选自由以下通式表示的化合物组成的组中的有机溶剂（I），酯和二元酸酯。 R1-O-（R2-O）n-R3（I）（上述通式（I）中，R1表示氢原子，芳基或碳原子数1〜6的烷基，R2表示亚烷基具有2至4个碳原子的基团，R 3表示芳基或具有1至6个碳原子的烷基，n表示1至9的整数）。

6. 发明申请

US20150231880A1 INK JET RECORDING METHOD 有权
标题翻译：喷墨记录方法
公开(公告)号：US20150231880A1
公开(公告)日：2015-08-20
申请号：US14624759
申请日：2015-02-18
申请人： SEIKO EPSON CORPORATION
发明人： Makoto Nagase , Akihito Sao , Kenichiro Kubota , Jun Ito , Naoki Koike
IPC分类号： B41J2/14
CPC分类号： B41J2/14 , B41J2/16526 , B41M5/0023 , B41M5/0047 , B41M5/0064
摘要： An ink jet recording method according to the invention includes: ejecting droplets of non-water-based ink, which contains an organic solvent, a color material, and resin, from nozzles of a recording head and causing the droplets to adhere to a recording medium to form an image; and preliminarily ejecting the droplets of the non-water-based-ink from the nozzles of the recording head not for forming the image. In the preliminary ejecting of the droplets, a time interval at which the preliminary ejecting is performed by a predetermined nozzle is equal to or greater than two seconds and equal to or less than twenty five seconds. The organic solvent contains a first solvent which is at least one kind selected from a hydrocarbon-based solvent, an alcohol-based solvent, and an ester-based solvent. Content of the first solvent is equal to or greater than 40% by mass with respect to entire content of the non-water-based ink.
摘要翻译：根据本发明的喷墨记录方法包括：从记录头的喷嘴喷射含有有机溶剂，着色材料和树脂的非水性油墨的液滴，并使液滴粘附到记录介质上形成图像; 并且不从用于形成图像的记录头的喷嘴预先喷射非水性墨的液滴。在液滴的初步喷射中，由预定喷嘴进行预喷射的时间间隔等于或大于2秒且等于或小于二十五秒。有机溶剂含有选自烃类溶剂，醇类溶剂和酯类溶剂中的至少一种的第一溶剂。相对于非水性油墨的全部含量，第一溶剂的含量等于或大于40质量％。

7. 发明授权

US10821741B2 Ink jet composition and ink jet recording method 有权
公开(公告)号：US10821741B2
公开(公告)日：2020-11-03
申请号：US14921085
申请日：2015-10-23
申请人： Seiko Epson Corporation
发明人： Naoki Koike , Keiji Iida , Jun Ito , Kenichiro Kubota , Makoto Nagase
IPC分类号： B41J2/21 , C09D11/322 , C09D11/36 , C09D11/38
摘要： An ink composition includes a solvent containing at least one compound represented by the following general formula (1): R1O—(R2O)m—R3 (1) wherein R1 and R3 each independently represent a hydrogen or an alkyl group having from 1 to 4 carbon atoms, R2 represents an alkylene group having 2 or 3 carbon atoms, and m represents an integer of 2 or 3; and a pigment containing Pigment Orange-43 (PO-43) having a volume average particle size of 100 nm or more and 400 nm or less.

8. 发明授权

US09889660B2 Ink jet recording method using a printhead having a pressure chamber connected to a nozzle with a connection portion 有权
公开(公告)号：US09889660B2
公开(公告)日：2018-02-13
申请号：US15357080
申请日：2016-11-21
申请人： Seiko Epson Corporation
发明人： Jun Ito , Kenichiro Kubota , Naoki Koike , Keiji Iida
IPC分类号： B41J2/14 , C09D11/322 , C09D11/36
CPC分类号： B41J2/1433 , B41J2/14233 , B41J2202/11 , C09D11/322 , C09D11/36
摘要： An ink jet recording method including causing ink to adhere to a recording medium by ejecting an ink composition using a print head provided with a nozzle, a pressure chamber, and a connection portion which connects the pressure chamber and the nozzle to each other at a length of 500 μm or more, in which the ink composition includes a coloring material and a solvent represented by General Formula (1) below at 30 mass % or more with respect to a total mass of the ink composition, R1O—(R2O)n—R3 (1) (in General Formula (1), R1 and R3 each independently represent a hydrogen or an alkyl group with 1 to 5 carbon atoms and at least one of R1 and R3 is an alkyl group with 1 to 5 carbon atoms, R2 represents an alkylene group with 2 to 4 carbon atoms, and n represents an integer of 1 to 6).

9. 发明授权

US09758685B2 Nonaqueous ink jet ink composition 有权
公开(公告)号：US09758685B2
公开(公告)日：2017-09-12
申请号：US14967710
申请日：2015-12-14
申请人： Seiko Epson Corporation
发明人： Jun Ito , Keiji Iida , Kenichiro Kubota , Naoki Koike , Makoto Nagase
IPC分类号： C09D11/38 , C09D11/36 , C09D11/322 , C09D11/106
CPC分类号： C09D11/36 , C09D11/106 , C09D11/322 , C09D11/38
摘要： A nonaqueous ink jet ink composition according to the invention includes a solvent including at least one compound represented by the following formula (1), and a pigment including a pigment orange 43 (PO-43), in which a Na amount included in the ink is 5 ppm to 500 ppm. R1O—(R2O)m—R3 (1) (wherein, in formula (1), R1 and R3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms. However, either R1 or R3 is an alkyl group having 1 to 5 carbon atoms. R2 represents an alkylene group having 2 or 3 carbon atoms. m represents an integer of 1 to 6.)

10. 发明授权

US09725610B2 Ink composition for ink jet recording 有权
公开(公告)号：US09725610B2
公开(公告)日：2017-08-08
申请号：US14608618
申请日：2015-01-29
申请人： Seiko Epson Corporation
发明人： Keiji Iida , Makoto Nagase , Kenichiro Kubota , Akihito Sao
IPC分类号： C09D11/36 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38 , C08K5/20 , C08K5/3417 , C08K3/04 , C08K5/06 , C09D133/00 , C08K5/00
CPC分类号： C09D11/36 , C08K3/04 , C08K5/0091 , C08K5/06 , C08K5/20 , C08K5/3417 , C09D11/324 , C09D11/38 , C09D133/00 , C09D127/06 , C08L33/06
摘要： A non-aqueous ink composition for ink jet recording includes a pigment, a compound represented by General formula 1 below, and a phthalocyanine derivative provided with a polar group not having an amine structure, as a pigment dispersant for dispersing the pigment. The pigment is carbon black. The composition further includes an alkylene glycol monoalkyl ether: (wherein R1 indicates an alkyl group of 1 to 4 carbon atoms, and R2 and R3 each independently indicate a methyl group or an ethyl group).

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