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    INK JET RECORDING METHOD
    2.
    发明申请
    INK JET RECORDING METHOD 有权

    公开(公告)号：US20170165966A1

    公开(公告)日：2017-06-15

    申请号：US15357080

    申请日：2016-11-21

    Applicant: Seiko Epson Corporation

    Inventor： Jun ITO ,  Kenichiro KUBOTA ,  Naoki KOIKE ,  Keiji IIDA

    IPC: B41J2/14 ,  C09D11/322 ,  C09D11/36

    CPC classification number: B41J2/1433 ,  B41J2/14233 ,  B41J2202/11 ,  C09D11/322 ,  C09D11/36

    Abstract: 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).

    Ink Jet Ink Composition, Ink Jet Recording Method, And Ink Set
    3.
    发明申请
    Ink Jet Ink Composition, Ink Jet Recording Method, And Ink Set 有权

    公开(公告)号：US20210122166A1

    公开(公告)日：2021-04-29

    申请号：US17142406

    申请日：2021-01-06

    Applicant: Seiko Epson Corporation

    Inventor： Keiji IIDA ,  Kenichiro KUBOTA ,  Naoki KOIKE ,  Jun ITO ,  Makoto NAGASE

    IPC: B41J2/21 ,  C09D11/322 ,  C09D11/40 ,  C09D11/36

    Abstract: A non-aqueous ink jet ink composition is provided that can form an image having excellent weather resistance, abrasion resistance, and coloring property. The non-aqueous ink jet ink composition includes a cyclic ester compound, at least one first solvent represented by the following General Formula (1) and having a flash point of 140° C. or lower: R1O—(R2O)m—R3, a second solvent represented by the General Formula (1), and C.I. Pigment Orange-43 (PO-43) as a pigment. In the at least one first solvent represented by General Formula (1), R1 and R3 each independently represent hydrogen or an alkyl group having 1 to 5 carbon atoms, R2 represents an alkylene group having 2 or 3 carbon atoms, and m represents an integer of 2 to 6. The second solvent represented by General Formula (1) includes a glycol monoether compound in which at least one of R1 and R3 is hydrogen. A volume average particle diameter of the PO-43 is 100 nm or more and 400 nm or less.

    Maintenance Liquid And Method Of Maintenance
    5.
    发明公开
    Maintenance Liquid And Method Of Maintenance 审中-公开

    公开(公告)号：US20240318016A1

    公开(公告)日：2024-09-26

    申请号：US18612098

    申请日：2024-03-21

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Keiji IIDA ,  Ippei OKUDA ,  Keigo ANDO

    IPC: C09D9/00 ,  B41J2/165

    CPC classification number: C09D9/005 ,  B41J2/16552

    Abstract: Provided is an aqueous maintenance liquid for use in maintenance of an ink jet recording apparatus ejecting an ink composition. The ink composition is an aqueous ink composition containing a coloring material. The maintenance liquid contains an organic amine and an organic solvent other than the organic amine. The organic solvent contains Polyol A with a normal boiling point of 250° C. or lower. The content of Polyol A is greater than 20.0% by mass with respect to the total amount of the maintenance liquid. The content of the organic amine is 0.3% by mass or more with respect to the total amount of the maintenance liquid. The total content of the organic solvent is less than 30.0% by mass with respect to the total amount of the maintenance liquid. The organic solvent does not contain Polyol B with a normal boiling point of higher than 250° C. in an amount of greater than 1.0% by mass with respect to the total amount of the maintenance liquid.

    INK COMPOSITION AND RECORDING APPARATUS
    7.
    发明申请
    INK COMPOSITION AND RECORDING APPARATUS 有权
    墨水组合物和记录装置

    公开(公告)号：US20130293643A1

    公开(公告)日：2013-11-07

    申请号：US13852449

    申请日：2013-03-28

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Tomoki SHINODA ,  Akihito SAO ,  Keiji IIDA ,  Makoto NAGASE ,  Miho NAKAMURA ,  Kenichiro KUBOTA

    IPC: C09D11/00 ,  B41J2/175

    CPC classification number: C09D11/38 ,  B41J2/17556 ,  B41J2/17596 ,  C09D11/10 ,  C09D11/32

    Abstract: Disclosed is ink composition used in a recording apparatus provided with a pressure regulation valve which performs opening and closing operations to adjust a pressure in a recording head and is covered with an elastic member. The ink composition includes a slip agent and a lactone system medium. The slip agent is preferably at least one kind selected from a group consisting of a silicon system compound, a hydrocarbon system compound, a fluorine system compound, an amide system compound, and acrylic compound. In addition, the content of the slip agent is preferably not more than 1% by mass.

    Abstract translation: 公开了一种用于设置有压力调节阀的记录装置中的油墨组合物，其执行打开和关闭操作以调节记录头中的压力并被弹性构件覆盖。 油墨组合物包括滑爽剂和内酯体系介质。 滑爽剂优选为选自硅系化合物，烃系化合物，氟系化合物，酰胺系化合物和丙烯酸类化合物中的至少一种。 另外，滑爽剂的含量优选为1质量％以下。

    INK JET RECORDING APPARATUS AND METHOD FOR MAINTAINING THE SAME
    9.
    发明申请
    INK JET RECORDING APPARATUS AND METHOD FOR MAINTAINING THE SAME 有权
    喷墨记录装置及其保存方法

    公开(公告)号：US20160263899A1

    公开(公告)日：2016-09-15

    申请号：US15064759

    申请日：2016-03-09

    Applicant: Seiko Epson Corporation

    Inventor： Jun ITO ,  Makoto NAGASE ,  Kenichiro KUBOTA ,  Naoki KOIKE ,  Keiji IIDA

    IPC: B41J2/165

    CPC classification number: B41J2/16535 ,  B41J2/16517 ,  B41J2/16552 ,  B41J2002/1655

    Abstract: 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).

    Abstract translation: （上述通式（1）中，R 1表示氢原子，芳基或碳原子数1〜6的烷基，R 2表示碳原子数2〜4的亚烷基，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）。

    NON-AQUEOUS INK JET INK COMPOSITION
    10.
    发明申请
    NON-AQUEOUS INK JET INK COMPOSITION 审中-公开
    非水墨水喷射墨水组合物

    公开(公告)号：US20160222235A1

    公开(公告)日：2016-08-04

    申请号：US15013114

    申请日：2016-02-02

    Applicant: Seiko Epson Corporation

    Inventor： Keiji IIDA ,  Kenichiro KUBOTA ,  Jun ITO ,  Naoki KOIKE ,  Makoto NAGASE

    IPC: C09D11/322 ,  C09D11/106 ,  C09D11/36

    Abstract: A non-aqueous ink jet ink composition contains C.I. Pigment Orange 43 as a pigment and one or more kinds of compounds represented by the following general formula (1) as a solvent and the content of water contained in the ink composition is 0.1% by mass or more and 2% by mass or less, R1O—(R2O)m—R3  (1). In general formula (1), R1 and R3 each independently represent hydrogen or an alkyl group in which the number of carbon atoms is 1 or more and 4 or less. At least one of R1 and R3 is an alkyl group in which the number of carbon atoms is 1 or more and 4 or less. R2 represents an alkylene group having 2 or 3 carbon atoms. m represents an integer of 2 or 3.

    Abstract translation: 非水性喷墨油墨组合物含有C.I. 作为颜料的颜料橙43和由以下通式（1）表示的一种或多种化合物作为溶剂，油墨组合物中所含的水分含量为0.1质量％以上2质量％以下， R1O-（R2O）m -R3（1）。 在通式（1）中，R 1和R 3各自独立地表示氢或碳原子数为1以上且4以下的烷基。 R 1和R 3中的至少一个是碳原子数为1以上且4以下的烷基。 R2表示具有2或3个碳原子的亚烷基。 m表示2或3的整数。

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