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    MARKING COMPOSITIONS
    1.
    发明申请
    MARKING COMPOSITIONS 有权

    公开(公告)号：US20220372312A1

    公开(公告)日：2022-11-24

    申请号：US17739840

    申请日：2022-05-09

    申请人： Sanford L.P.

    发明人： Vincent Kwan ,  Jiandong Zhu ,  Roni Prater ,  Jennifer Kroon ,  Suchithra Pulikandla ,  Deepthi V. Muraleedharan

    IPC分类号： C09D11/17 ,  C09D11/50

    摘要： A marking composition may include an aqueous carrier and thermochromic capsules. The thermochromic capsules may include a leuco dye, an activator, and a temperature regulator. The thermochromic capsules may have a volume average size effective to resist temperature-mediated discoloration at a temperature of at least up to 40° C. by dissipating heat. In some embodiments, the marking composition marks a substrate with a substantially erasable mark, for example, in response to frictional contact with an eraser.

    Ink Formulations and Associated Writing Instruments
    2.
    发明申请
    Ink Formulations and Associated Writing Instruments 审中-公开

    公开(公告)号：US20200224046A1

    公开(公告)日：2020-07-16

    申请号：US16648830

    申请日：2018-09-27

    申请人： Sanford, L.P.

    发明人： Jiandong Zhu

    IPC分类号： C09D11/18 ,  C09D11/20

    摘要： Ink formulations and associated writing instruments are disclosed herein. In some embodiments, an ink formulation is provided which includes an ink resin or polymer and a biobased solvent. In some embodiments, an ink formulation is provided which includes an ink resin or polymer and a solvent comprising at least one lactate ester.

    Transitorially Erasable Ink Compositions And Writing Instruments Containing Same
    4.
    发明申请
    Transitorially Erasable Ink Compositions And Writing Instruments Containing Same 有权
    包含相同的过滤可擦墨水组合物和书写工具

    公开(公告)号：US20170002217A1

    公开(公告)日：2017-01-05

    申请号：US14788320

    申请日：2015-06-30

    申请人： SANFORD, L.P.

    发明人： Jiandong Zhu ,  Wing Sum Vincent Kwan

    IPC分类号： C09D11/16 ,  B43K7/03 ,  B43K5/00 ,  B43K8/02 ,  C09D107/00 ,  C09D11/18

    CPC分类号： C09D11/16 ,  B43K5/00 ,  B43K7/03 ,  B43K8/02 ,  C09D11/18 ,  C09D107/00

    摘要： The disclosure provides transitorially erasable ink compositions, including an aliphatic hydrocarbon solvent, a rubber dissolved in the aliphatic hydrocarbon solvent, a hydrophilic pigment, and a surfactant. The disclosure further provides methods of preparing transitorially erasable ink compositions and writing instruments comprising transitorially erasable ink compositions. The disclosed erasable ink compositions write well, have strong color and erase easily transitorially, and demonstrate color stability.

    摘要翻译： 本公开提供了经过空白的可擦除的油墨组合物，包括脂族烃溶剂，溶解在脂族烃溶剂中的橡胶，亲水性颜料和表面活性剂。 本公开进一步提供了制备经过短时间可擦除的油墨组合物的可过渡的油墨组合物和书写工具的方法。 所公开的可擦除墨水组合物写得很好，具有强烈的颜色和容易的过滤擦除，并且表现出颜色稳定性。