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1. 发明专利

JP2007217526A Cyan ink for inkjet recording 有权
公开(公告)号：JP2007217526A
公开(公告)日：2007-08-30
申请号：JP2006038752
申请日：2006-02-16
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： HAMASHIMA TOMOYO , HIGASHIYAMA SHUNICHI , GOTO KAZUMA , KOGA SHIGEMI , TAGA YASUHIRO
IPC分类号： B41J2/01 , B41M5/00 , C09B47/24 , C09B67/22 , C09D11/00 , C09D11/328 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To impart excellent preservation stability, sufficient jetting stability even during long-term service and bright color-developability to a cyan ink for inkjet recording and to impart good light resistance and ozone resistance to recorded matter using the same.
SOLUTION: In the cyan ink for inkjet recording comprising at least a colorant, water and a water-soluble organic solvent, a dye represented by general formula (1) and a dye represented by general formula (2) are jointly used as the colorant. Pc(Cu) denotes a copper phthalocyanine nucleus.
COPYRIGHT: (C)2007,JPO&INPIT

2. 发明专利

JP2006298978A Water-based ink set for inkjet recording and inkjet recording method 审中-公开
标题翻译：用于喷墨记录和喷墨记录方法的基于水的墨盒
公开(公告)号：JP2006298978A
公开(公告)日：2006-11-02
申请号：JP2005118999
申请日：2005-04-15
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： SUGIMOTO JUNICHIRO , TSUDA MASAYUKI , KATO RYUJI , KOGA SHIGEMI , FUJIOKA MASAYA , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41J2/21 , B41M5/00 , C09D11/00 , C09D11/328 , C09D11/40
CPC分类号： C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide an inkjet recording method in which characters and line drawing can clearly be expressed by high-concentration black and granular feeling is reduced in black image (namely achromatic color image from deep gray to pale gray) from middle lightness to high lightness and high-quality gradation image can be formed and increase of ink numbers constituting the ink set is reduced in this case and excellent drying property is obtained even when printed on a gloss paper.
SOLUTION: The water-based ink set for inkjet recording has a color ink (A) and a color ink (B) in which lightness indices L
* by L
* a
* b
* color system are each ≤60. The color ink (A) and the color ink (B) satisfy a complementary relationship represented by formula (I) and chroma C
* of hue obtained by combining the color ink (A) with the color ink (B) is ≤30.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种喷墨记录方法，其中通过高浓度黑色图像（即从深灰色到浅灰色的无色彩图像），可以清楚地表现字符和线条画，从而减少了黑色图像（即，从深灰色到浅灰色的无彩色图像）可以形成中等亮度至高亮度和高质量的渐变图像，并且在这种情况下减少了构成墨水组的墨水数量的增加，并且即使在光泽纸上印刷也获得了优异的干燥性能。解决方案：用于喷墨记录的水性油墨组具有通过L * * 的彩色油墨（A）和彩色油墨（B） > * b * 颜色系统各自≤60。彩色油墨（A）和彩色油墨（B）满足通过将彩色油墨（A）与彩色油墨（A）组合而获得的色调的色调C＆lt; SP＆gt; *＆lt; B）≤30。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006176606A Water-based ink set for inkjet recording and inkjet recording method 有权
标题翻译：用于喷墨记录和喷墨记录方法的基于水的墨盒
公开(公告)号：JP2006176606A
公开(公告)日：2006-07-06
申请号：JP2004370287
申请日：2004-12-21
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： KAWAI SHIGEMI , FUJIOKA MASAYA , KATO RYUJI , KOGA SHIGEMI , AOI NORIATSU , HAMASHIMA TOMOYO , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/328 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide a water-based ink set for inkjet recording which makes it possible to reduce a graininess in a low-density print part containing cyan color without reducing the color reproduction range in the cyan direction in a high density print part, and furthermore, to enlarge the color reproduction range in the blue direction, and to improve the sharpness of blue color.
SOLUTION: The water-based ink set for inkjet recording is provided with a cyan ink and a blue ink, and the cyan ink comprises a light cyan ink of which the lightness index (L
* ) by the colorimetric system L
* a
* b
* is L
* ≥60. Furthermore, it is preferable that the ink set is provided with a green ink.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于喷墨记录的水性油墨组，其使得可以降低包含青色的低密度打印部分的颗粒度，而不会将青色方向上的色彩再现范围降低并且进一步扩大蓝色方向上的色彩再现范围，并提高蓝色的清晰度。解决方案：用于喷墨记录的水性油墨组设置有青色油墨和蓝色油墨，青色油墨包括浅色指数（L * ）的浅青色油墨，通过比色系统L * ≥60，比较系统L * a * b * 此外，优选的是，油墨组设置有绿色油墨。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006063322A Water-based ink set for ink-jet recording 有权
标题翻译：用于墨水记录的基于水的墨盒
公开(公告)号：JP2006063322A
公开(公告)日：2006-03-09
申请号：JP2005204884
申请日：2005-07-13
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： KOGA SHIGEMI , FUJIOKA MASAYA , KATO RYUJI , SUGIMOTO JUNICHIRO , OKUDA SATOSHI , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/328 , C09D11/38 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide a water-based ink set for ink-jet recording effective for decreasing the bleeding between a black (Bk) ink and a yellow (Y) ink and decreasing the color shading of a color-mixed part in the case of using color inks.
SOLUTION: The water-based ink set for ink-jet recording is composed at least of a Bk ink, a Y ink, a magenta (M) ink and a cyan (C) ink. The dynamic surface tension is measured on each ink by a maximum bubble pressure method at 25°C and the same life time between 30 ms and 1,000 ms. The surface tension of the Y ink is not smaller than Bk ink and the difference is ≤5 mN/m, the difference between Y ink and M ink and the difference between Y ink and C ink are each ≥3 mN/m and the surface tension values of the M ink and the C ink are smaller than that of the Bk ink.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于喷墨记录的水性油墨组，用于减少黑色（Bk）油墨和黄色（Y）油墨之间的渗色，并降低颜色混合的色调在使用彩色墨水的情况下的一部分。解决方案：用于喷墨记录的水性油墨组至少由Bk油墨，Y油墨，品红色（M）油墨和青色（C）油墨组成）。在25℃下，通过最大气泡压力法测量每种油墨的动态表面张力，同时使用寿命在30ms和1000ms之间。 Y墨水的表面张力不小于Bk墨水，差值≤5mN/ m，Y墨水和M墨水之间的差异以及Y墨水和C墨水之间的差别分别为≥3mN/ m，表面张力 M墨水和C墨水的张力值小于Bk墨水的张力值。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2005314443A Water-based ink set for inkjet recording 有权
标题翻译：用于喷墨记录的基于水的墨盒
公开(公告)号：JP2005314443A
公开(公告)日：2005-11-10
申请号：JP2004130309
申请日：2004-04-26
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： GOTO KAZUMA , KOGA SHIGEMI , YAMAZAKI HIDETO , FUJIOKA MASAYA , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38 , C09D11/40
CPC分类号： C09D11/324 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To obtain a water-based ink set for inkjet recording, which satisfies both a clear color image of dye ink and a high-density and high-contrast image of pigment ink and causes neither pigment flocculation nor bleeding.
SOLUTION: The water-based ink set for inkjet recording comprises a black ink containing self-dispersion type black pigment to be dispersed in a solvent by electrification in a negative charge and a water-soluble polyhydric alcohol alkyl ether and a yellow ink containing a water-soluble anionic yellow dye having ≤3 number of counter ions per molecule, an amine-based surfactant represented by general formula (1): R-N-(CH
2 CH
2 O)
x H(CH
2 CH
2 O)
y H (R is an 8-18C alkyl group or alkenyl group; x+y is 5-15) and a water-soluble polyhydric alcohol alkyl ether. In the black ink, the content of the dispersion type black pigment is 0.1-20 wt.%. and in the yellow ink, the content of the water-soluble yellow ink is 1-5 wt.% and the content of the water-soluble polyhydric alcohol alkyl ether is 2-5 wt.%.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了获得满足染料油墨的清晰彩色图像和颜料墨水的高密度和高对比度图像两者的喷墨记录用水性油墨组，既不引起颜料絮凝也不引起渗色。解决方案：用于喷墨记录的水性油墨组包括含有自分散型黑色颜料的黑色油墨，其通过带负电荷的带电和水溶性多元醇烷基醚和黄色油墨分散在溶剂中含有每分子具有≤3个抗衡离子数的水溶性阴离子黄染料，由通式（1）表示的胺类表面活性剂：RN-（CH 2 CH SB> O） H H（CH 2 SB 2 H SB）H（R是8-18C 烷基或烯基; x + y为5-15）和水溶性多元醇烷基醚。在黑色油墨中，分散型黑色颜料的含量为0.1-20重量％。在黄色油墨中，水溶性黄色油墨的含量为1-5重量％，水溶性多元醇烷基醚的含量为2-5重量％。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004300429A Water base ink for ink-jet recording 审中-公开
公开(公告)号：JP2004300429A
公开(公告)日：2004-10-28
申请号：JP2004074071
申请日：2004-03-16
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： KAWAI SHIGEMI , FUJIOKA MASAYA , GOTO KAZUMA , KOGA SHIGEMI , OKADA MAYUKO , HOSHI TATSUNOSUKE , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/326 , C09D11/328 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide a water base ink for ink-jet recording having satisfactory initial introduction performance of the ink, the prevention of the occurrence of feathering, and insufficient spread of the ink in printing on a plain paper.
SOLUTION: The water base ink for ink-jet recording comprises at least a dispersible coloring agent, a propylene glycol ether, and a surfactant composed of a block copolymer represented by general formula (1): wherein m is an integer of 30-36, n is an integer of 13-24. The ink has satisfactory initial introduction performance to a laminate type printer head, prevents the occurrence of feathering and insufficient spread of the ink in printing to the plain paper. The ink is useful for water base ink for ink-jet recording which prints on the plain paper.
COPYRIGHT: (C)2005,JPO&NCIPI

7. 发明专利

JP2004277606A Aqueous ink for inkjet printing 有权
标题翻译：喷墨打印墨水
公开(公告)号：JP2004277606A
公开(公告)日：2004-10-07
申请号：JP2003072465
申请日：2003-03-17
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： SUGIMOTO JUNICHIRO , FUJIOKA MASAYA , OHIRA HIDEAKI , GOTO KAZUMA , KOGA SHIGEMI , AOYAMA MICHIKO , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide an aqueous ink for inkjet printing which shows a good initial introduction into an ink channel and causes no feathering or insufficient spreading of the ink when printed on plain paper.
SOLUTION: The aqueous ink for inkjet printing is used in an inkjet printer and contains at least a dispersible colorant, propylene glycol ether and a surfactant of formula (1) [wherein n is an integer of 2-4; R is a 12-15C alkyl group; and M is Na or triethanol amine].
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于喷墨印刷的水性油墨，其显示出良好的初始引入到油墨通道中，并且当在普通纸上打印时不会使油墨发生羽化或扩散不足。解决方案：用于喷墨印刷的水性油墨用于喷墨打印机中，并且至少包含可分散着色剂，丙二醇醚和式（1）表示物[其中n为2-4的整数; R为12-15C烷基; M为Na或三乙醇胺]。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2004277605A Water-based ink for ink jet writing 有权
公开(公告)号：JP2004277605A
公开(公告)日：2004-10-07
申请号：JP2003072463
申请日：2003-03-17
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： KOGA SHIGEMI , FUJIOKA MASAYA , GOTO KAZUMA , OKADA MAYUKO , HOSHI TATSUNOSUKE , KAWAI SHIGEMI , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324 , C09D11/326 , C09D11/38
摘要： PROBLEM TO BE SOLVED: To provide a water-based ink for ink jet writing, particularly having a good initial introduction property of ink to ink passage of a lamination type printer head among printer heads loaded on a piezoelectric ink jet printer and free from occurrence of feathering and spreading deficiency of ink even when written to plain papers. SOLUTION: The water-based ink for ink jet is used for ink jet printer and comprises at least a dispersing coloring agent, propylene glycol ether and a surfactant composed of a random copolymer represented by general formula (1) (wherein R is a 3-5C alkyl group; m is an integer of 45-55; n is an integer of 45-55). COPYRIGHT: (C)2005,JPO&NCIPI

9. 发明专利

JP2004115586A Ink for inkjet recording 审中-公开
标题翻译：喷墨记录
公开(公告)号：JP2004115586A
公开(公告)日：2004-04-15
申请号：JP2002277600
申请日：2002-09-24
申请人： Brother Ind Ltd , ブラザー工業株式会社
发明人： OKADA MAYUKO , FUJIOKA MASAYA , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/322 , C09D11/324
CPC分类号： C09D11/324 , C09D11/30
摘要： PROBLEM TO BE SOLVED: To provide an ink for inkjet recording excellent in straight-jetting stability of an ink drop in ejection in an inkjet recording device, introduction-recovering properties into a recording head of the recording device, fixing properties (rub resistance/finger touch property) of a printed matter, and drying properties after printing.
SOLUTION: The ink for inkjet recording comprises tripropylene glycol n-butyl ether and/or dipropylene glycol n-propyl ether, an acrylic polymer, a water-insoluble colorant, and water.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2003113334A WATER-BASED INK SET FOR INK-JET PRINTING USE 审中-公开
公开(公告)号：JP2003113334A
公开(公告)日：2003-04-18
申请号：JP2001305336
申请日：2001-10-01
申请人： BROTHER IND LTD
发明人： TANIGUCHI MASAHIKO , TSUDA MASAYUKI , FUJIOKA MASAYA , HIGASHIYAMA SHUNICHI
IPC分类号： B41J2/01 , B41M5/00 , C09D11/00 , C09D11/328 , C09D11/40
摘要： PROBLEM TO BE SOLVED: To provide a water-based ink set for ink-jet printing use enabling stable ink jetting with no occurrence of cloggings at the head jetting nozzle even in the case of combined use of anionic dye-containing ink and cationic dye-containing ink, thus enabling printing with high reliability, high accuracy, clearness and well-balanced color. SOLUTION: This water-based ink set for ink-jet printing use comprises a plurality of colored inks, namely at least one kind of anionic dye-containing ink and cationic dye-containing ink, respectively; wherein the former ink and/or the latter ink comprise at least two kinds of glycols selected from the group consisting of diethylene glycol, triethylene glycol and polyethylene glycol, polyvinylpyrrolidone and water.

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