公开(公告)号：US07293867B2

公开(公告)日：2007-11-13

申请号：US10502393

申请日：2003-01-23

申请人： Manabu Ogawa ,  Toshiki Taguchi ,  Takashi Ozawa

发明人： Manabu Ogawa ,  Toshiki Taguchi ,  Takashi Ozawa

IPC分类号： G01D11/00

CPC分类号： C09D11/32 ,  C09D11/328

摘要： An ink for ink jet recording having a phthalocyanine dye dissolved and/or dispersed in an aqueous medium, characterized in that the aforementioned phthalocyanine dye is a water-soluble dye having an oxidation potential of more positive than 1.0 and the conductivity of the aforementioned ink is from not 0.01 S/m to not greater than 10 S/m. A process for the production of the aforementioned ink for ink jet recording which includes a step of applying ultrasonic vibration and/or a step of filtering using a filter having pores of an effective diameter of not greater than 1 μm and defoaming the ink and an ink jet recording process using these inks. In accordance with such a constitution, an ink for ink jet recording and an ink jet recording process can be provided which exhibit a high ejection stability, give an image having an excellent hue and preservability (weathering resistance, water resistance) and provide an image with a high quality.

摘要翻译： 一种用于喷墨记录的油墨，其具有溶解和/或分散在水性介质中的酞菁染料，其特征在于上述酞菁染料是氧化电位比1.0更正的水溶性染料，上述油墨的导电率为 从0.01S / m到不大于10S / m。 一种用于生产上述喷墨记录用油墨的方法，其包括施加超声波振动的步骤和/或使用具有有效直径不大于1μm的孔的过滤器进行过滤和使油墨和油墨消泡的步骤 使用这些油墨的喷墨记录过程。 根据这样的结构，可以提供喷墨记录用油墨和喷墨记录方法，其具有高喷射稳定性，给出具有优异色调和保存性（耐候性，耐水性）的图像，并提供图像 高品质

公开(公告)号：US07287848B2

公开(公告)日：2007-10-30

申请号：US10503710

申请日：2003-02-06

申请人： Toshiki Taguchi ,  Akio Miyamoto ,  Takashi Ozawa ,  Manabu Ogawa

发明人： Toshiki Taguchi ,  Akio Miyamoto ,  Takashi Ozawa ,  Manabu Ogawa

IPC分类号： G01D11/00

CPC分类号： C09D11/32 ,  C09D11/328 ,  C09D11/40

摘要： An inkjet recording ink including an aqueous medium having dissolved or dispersed therein a magenta dye selected from azo dyes, wherein the magenta dye is a dye having an oxidation potential more positive than 1.0 V (vs SCE) and at the same time, a water-miscible organic solvent having a vapor pressure of 2,000 Pa or less at 20° C. is contained; and an inkjet recording method using the ink.By virtue of such a constitution, an inkjet recording ink and an inkjet recording method are provided, which can ensure high ejection stability, good color hue of the obtained image, no drying of the ink at the ink jet head, excellent fastness to light and water, image quality free from defective such as fineline bleeding under high-humidity condition, and good preservability of the image under severe conditions, and furthermore can ensure high storability and high ejection stability even after aging for a long time or under severe conditions.

摘要翻译： 一种喷墨记录油墨，包括溶解或分散有选自偶氮染料的品红色染料的水性介质，其中品红色染料是具有比1.0V（SCE）更正的氧化电位的染料，同时， 含有在20℃下蒸气压为2,000Pa以下的混溶性有机溶剂; 和使用该油墨的喷墨记录方法。 通过这样的结构，可以提供喷墨记录油墨和喷墨记录方法，其可以确保高喷射稳定性，所得图像的良好色调，喷墨头上的油墨不会干燥，对光的耐光性优异， 水分，高湿度条件下的毛细管出血等有缺陷的图像质量，在恶劣条件下图像的保存性良好，即使长时间或恶劣条件下老化，也能保证高储存性和高喷射稳定性。

公开(公告)号：US07273519B2

公开(公告)日：2007-09-25

申请号：US10808464

申请日：2004-03-25

申请人： Toshiki Taguchi ,  Manabu Ogawa

发明人： Toshiki Taguchi ,  Manabu Ogawa

IPC分类号： C09D11/00 ,  C09D11/02

CPC分类号： C09D11/40 ,  C09D11/328

摘要： An ink set where constituent inks all are an ink containing at least one dye having an oxidation potential more positive than 1.0 V (vs SCE), particularly where the ratio k1/k2 of the fading rate constant (k1) of an image drawn by using the ink alone to the fading rate constant (k2) of a mixed color image drawn by using all constituent inks constituting the ink set in equivalent amounts with the same density measurement light as in the measurement of k1 is 0.7 to 1.3 in all inks. According the present invention, an inkjet ink set capable of giving an image having good image quality and excellent image fastness regardless of the color of image, such as aging stability, light fastness and water resistance, and an inkjet image recording method using the ink set are provided.

摘要翻译： 其中组分油墨都是含有至少一种具有比1.0V（SCE）更正的氧化电位的氧化电位的染料的油墨组，特别是在通过使用图像绘制的图像的褪色速率常数（k1）的比率k1 / k2 通过使用构成油墨组的所有构成油墨，以与k1的测量相同的密度测量光等量的油墨组合所得到的混合彩色图像，单独的油墨的褪色速率常数（k2）为0.7〜1.3。 根据本发明，能够提供图像质量好的图像和与图像的颜色无关的图像稳定性，耐光性和耐水性等的图像的喷墨油墨组以及使用该油墨组的喷墨图像记录方法 被提供。

公开(公告)号：US20070120920A1

公开(公告)日：2007-05-31

申请号：US10574404

申请日：2004-10-01

申请人： Toshiki Taguchi ,  Takashi Ozawa

发明人： Toshiki Taguchi ,  Takashi Ozawa

IPC分类号： G01D11/00 ,  C09D11/00 ,  C09D11/02

CPC分类号： C09D11/38 ,  C09D11/328 ,  C09D11/40

摘要： An ink for inkjet comprising: a dye; and water and/or a water-miscible organic solvent, wherein the dye comprises a dye compound having at least one heterocyclic structure, and the ink further comprises, as an additive, at least one compound capable of chemically interacting with the dye compound.

摘要翻译： 一种用于喷墨的油墨，包括：染料; 和水和/或水混溶性有机溶剂，其中所述染料包括具有至少一个杂环结构的染料化合物，并且所述油墨还包含至少一种能够与所述染料化合物化学相互作用的化合物作为添加剂。

公开(公告)号：US07208035B2

公开(公告)日：2007-04-24

申请号：US10809955

申请日：2004-03-26

申请人： Manabu Ogawa ,  Toshiki Taguchi

发明人： Manabu Ogawa ,  Toshiki Taguchi

IPC分类号： C09D11/02

CPC分类号： C09D11/40

摘要： An ink set comprising: at least two kinds of inks, each of the at least two kinds of inks having a common hue and different densities, and containing an aqueous medium and a dye, wherein each of the at least two kinds of inks has a corresponding discoloration velocity constant (k) for an image printed with each one of the at least two kinds of inks, and a ratio defined by a minimum value (kmin) selected from among said corresponding constants divided by a maximum value (kmax) selected from among the corresponding constants, is within a range of 0.7 to 1.0.

摘要翻译： 一种油墨组，包括：至少两种油墨，所述至少两种油墨中的每一种具有共同的色调和不同的浓度，并且含有水性介质和染料，其中所述至少两种油墨中的每一种具有 对于用至少两种油墨中的每一种印刷的图像的相应变色速度常数（k）以及由所述对应常数中除以下的最小值（k min min）定义的比率 从对应的常数中选出的最大值（k max max）在0.7〜1.0的范围内。

公开(公告)号：US07198362B2

公开(公告)日：2007-04-03

申请号：US10508792

申请日：2003-03-26

申请人： Toshiki Taguchi

发明人： Toshiki Taguchi

IPC分类号： G01D11/00

CPC分类号： C09D11/328 ,  B41M5/5218 ,  B41M5/5236 ,  B41M5/5245 ,  B41M5/5254 ,  B41M5/529 ,  C09D11/40

摘要： An object of the present invention is to provide an ink set for inkjet recording and an inkjet recording method, which can ensure high pictorial quality of recording image and also excellent preservability of the image obtained.This object of the present invention can be attained by an ink set including plural inks for inkjet, each one of the plural inks having a maximum absorption wavelength of one of from 500 to 580 nm and from 580 to 680 nm in an aqueous medium and a different absorbance, wherein based on an absorbance of a dye (or a combination of dyes) in an ink, which has a maximum dye concentration out of the plural inks, an absorbance of a dye (or a combination of dyes) in all another ink excepting the ink having a maximum dye concentration is from 1/20 to ½.

摘要翻译： 本发明的目的是提供一种用于喷墨记录的油墨组和喷墨记录方法，其可以确保记录图像的高图形质量以及所获得的图像的优异的保存性。

公开(公告)号：US07175268B2

公开(公告)日：2007-02-13

申请号：US10504084

申请日：2003-02-10

申请人： Toshiki Taguchi

发明人： Toshiki Taguchi

IPC分类号： B41J2/17 ,  G01D11/00

CPC分类号： C09D11/32 ,  B41M5/5218 ,  B41M5/5236 ,  B41M5/5254 ,  C09D11/328

摘要： An object of the present invention is to provide an inkjet recording ink ensuring (1) excellent weather resistance (image preservability), (2) less blurring of image drawn and (3) high ejection stability. This object of the present invention can be attained by an inkjet recording ink, including an aqueous medium having dissolved therein at least two water soluble coloring materials sharing one spectral absorption region selected from a region of 500 to 580 nm and a region of 580 to 600 nm as the main absorption region in the aqueous medium.

摘要翻译： 本发明的目的是提供一种确保（1）优异的耐候性（图像保存性），（2）较少的图像模糊和（3）高喷射稳定性的喷墨记录油墨。 本发明的目的可以通过一种喷墨记录油墨来实现，该喷墨记录油墨包括其中溶解有至少两种共享一个光谱吸收区域的水溶性着色材料的水性介质，所述光谱吸收区域选自500至580nm的区域和580至600的区域 nm作为水介质中的主要吸收区域。

公开(公告)号：US07083666B2

公开(公告)日：2006-08-01

申请号：US10806424

申请日：2004-03-23

申请人： Toshiki Taguchi ,  Manabu Ogawa

发明人： Toshiki Taguchi ,  Manabu Ogawa

IPC分类号： C09D11/02

CPC分类号： C09D11/38 ,  C09D11/40

摘要： An inkjet ink comprising a dye, water, a water-soluble organic solvent and a betaine compound, wherein the total weight of inorganic ions in the ink is 2 wt % or less based on the ink.

摘要翻译： 一种包含染料，水，水溶性有机溶剂和甜菜碱化合物的喷墨油墨，其中油墨中无机离子的总重量为2重量％以下。

公开(公告)号：US20060158499A1

公开(公告)日：2006-07-20

申请号：US11360611

申请日：2006-02-24

申请人： Toshiki Taguchi ,  Yoshiharu Yabuki ,  Toru Harada ,  Naotaka Wachi

发明人： Toshiki Taguchi ,  Yoshiharu Yabuki ,  Toru Harada ,  Naotaka Wachi

IPC分类号： G01D11/00 ,  C09D11/02

CPC分类号： C09D11/328 ,  C09D11/40

摘要： The ink set of the present invention provides a high ejection stability, gives an image having an excellent hue, light-resistance and waterproofness and improves the image preservability under severe conditions in ink jet recording, in which the ink set comprising a plurality of inks different in hues, wherein the plurality of inks includes a yellow ink containing a coloring agent that is a dye having: a λmax of from 390 nm to 470 nm; an I(λmax+70 nm)/I(λmax) ratio of not greater than 0.4, in which I(λmax) is the absorbance at λmax and I(λmax+70 nm) is the absorbance at (λmax+70 nm); and a forced fading rate constant of not greater than 5.0×10−2 [hour−1], an ink cartridge having the ink set received therein, an ink jet printer comprising the ink cartridge mounted therein and an image recording method.

公开(公告)号：US20060092248A1

公开(公告)日：2006-05-04

申请号：US10503763

申请日：2003-02-06

申请人： Toshiki Taguchi ,  Akio Miyamoto ,  Takashi Ozawa ,  Manabu Ogawa

发明人： Toshiki Taguchi ,  Akio Miyamoto ,  Takashi Ozawa ,  Manabu Ogawa

IPC分类号： G01D11/00

CPC分类号： C09D11/32 ,  C09D11/328

摘要： An inkjet recording ink comprising an aqueous medium having dissolved and/or dispersed therein a phthalocyanine dye, wherein the phthalocyanine dye is a water-soluble dye having an oxidation potential more positive than 1.0 V (vs SCE) and the ink comprises a water-miscible organic solvent having a vapor pressure of 2,000 Pa or less at 20° C.; and an inkjet recording method using the ink. By virtue of such a constitution, an inkjet recording ink and an inkjet recording method are provided, which can ensure high ejection stability, good color hue of the obtained image, no drying of the ink at the inkjet head, excellent fastness to light and water, image quality free from defective such as fineline blurring under high-humidity condition, and good preservability of the image under severe conditions, and furthermore can ensure high storability and high ejection stability even after aging for a long time or under severe conditions.

摘要翻译： 一种喷墨记录油墨，其包含溶解和/或分散有酞菁染料的水性介质，其中所述酞菁染料是具有比1.0V（SCE）更正的氧化电位的水溶性染料，并且所述油墨包含水混溶 有机溶剂在20℃下蒸气压为2,000Pa以下。 和使用该油墨的喷墨记录方法。 通过这样的结构，可以提供喷墨记录油墨和喷墨记录方法，其可以确保高的喷射稳定性，所得图像的色调良好，喷墨头上的油墨不会干燥，对水和水的耐牢度优异 ，在高湿度条件下没有缺陷的图像质量，以及在恶劣条件下图像的良好的保存性，并且即使在长时间或在恶劣条件下老化之后，也可以确保高储存性和高喷射稳定性。