知搜-全球专利检索

  1. Login
  2. Sign Up

Search Results

8 records (took 0.015 seconds)

    Ink Jet Recording Apparatus And Recording Method
    1.
    发明公开
    Ink Jet Recording Apparatus And Recording Method 审中-公开

    公开(公告)号：US20240326451A1

    公开(公告)日：2024-10-03

    申请号：US18619375

    申请日：2024-03-28

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Kenta UCHIDA

    IPC: B41J2/175 ,  B41J2/21 ,  C09D11/322 ,  C09D11/40

    CPC classification number: B41J2/175 ,  B41J2/2103 ,  C09D11/322 ,  C09D11/40

    Abstract: An ink jet recording apparatus includes: an ink accommodating container having an ink pouring port; an ink composition; and an ink jet head that discharges the ink composition supplied from the ink accommodating container, in which the ink accommodating container includes a first ink accommodating container and a second ink accommodating container having a lower height from a bottom of the accommodating container to the ink pouring port than the first ink accommodating container, the ink composition includes a first ink composition accommodated in the first ink accommodating container and a second ink composition accommodated in the second ink accommodating container, and the first ink composition has a lower foaming property than the second ink composition.

    Pigment Printing Ink Jet Ink Composition And Ink Jet Recording Method
    3.
    发明公开
    Pigment Printing Ink Jet Ink Composition And Ink Jet Recording Method 审中-公开

    公开(公告)号：US20240158655A1

    公开(公告)日：2024-05-16

    申请号：US18505580

    申请日：2023-11-09

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Tasuku NAKAMURA ,  Kenta UCHIDA ,  Akiko YAMADA

    IPC: C09D11/324 ,  C09D11/54

    CPC classification number: C09D11/324 ,  C09D11/54

    Abstract: A pigment printing ink jet ink composition according to one embodiment of the present disclosure includes a self-dispersible black pigment having a specific surface area of 50 m2/g or more calculated from a measurement by a pulse NMR at 30° C., a metal alkali, a water-soluble organic solvent, and water, and in the ink composition described above, a content of the self-dispersible black pigment with respect to a content of the metal alkali is 13 to 40 in terms of a composition ratio, the water-soluble organic solvent includes a compound having an SP value of 11 or more, and the water-soluble organic solvent includes no compound having an SP value of less than 11 at a content of more than 0.3 percent by mass with respect to a total mass of the ink composition.

    Ink Jet Recording Apparatus And Recording Method
    4.
    发明公开
    Ink Jet Recording Apparatus And Recording Method 审中-公开

    公开(公告)号：US20240326452A1

    公开(公告)日：2024-10-03

    申请号：US18619401

    申请日：2024-03-28

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Kenta UCHIDA

    IPC: B41J2/175 ,  B41J2/21

    CPC classification number: B41J2/175 ,  B41J2/2103

    Abstract: An ink jet recording apparatus includes: an ink accommodating container having an ink pouring port; an ink composition; and an ink jet head that discharges the ink composition supplied from the ink accommodating container, in which the ink accommodating container includes a first ink accommodating container and a second ink accommodating container having a lower height from a bottom of the accommodating container to the ink pouring port than the first ink accommodating container, the ink composition includes a first ink composition accommodated in the first ink accommodating container and a second ink composition accommodated in the second ink accommodating container, and the first ink composition has a higher defoaming property than the second ink composition.

    Ink Jet Ink Composition And Recording Method
    6.
    发明公开
    Ink Jet Ink Composition And Recording Method 审中-公开

    公开(公告)号：US20240318022A1

    公开(公告)日：2024-09-26

    申请号：US18613316

    申请日：2024-03-22

    Applicant: SEIKO EPSON CORPORATION

    Inventor： Akinobu SUMIYOSHI ,  Kenta UCHIDA ,  Yusuke MIZUTAKI

    IPC: C09D11/38 ,  B41J2/01 ,  C09D11/322

    CPC classification number: C09D11/38 ,  C09D11/322 ,  B41J2/01

    Abstract: Provided is an aqueous ink jet ink composition including a self-dispersing pigment, a water-soluble resin, and a betaine, in which the self-dispersing resin is a self-dispersing resin obtained by introducing a phosphorus-containing group to the pigment, the water-soluble resin has an acid value of 250 mgKOH/g or greater and 600 mgKOH/g or less, a content of the self-dispersing pigment is 3.5% by mass or greater and 8.5% by mass or less with respect to a total mass of the ink composition, a mass ratio (self-dispersing pigment/water-soluble resin) of the self-dispersing pigment to the water-soluble resin is 2.8 or greater and less than 30, and a content of the betaine is 2.5% by mass or greater and 9.5% by mass or less with respect to the total mass of the ink composition.

Patent Agency Ranking