公开(公告)号：US08580470B2

公开(公告)日：2013-11-12

申请号：US12297819

申请日：2007-04-16

申请人： Hideyuki Otsuka ,  Masaki Okubo ,  Osamu Mukudai

发明人： Hideyuki Otsuka ,  Masaki Okubo ,  Osamu Mukudai

IPC分类号： G03G9/097

CPC分类号： G03G9/09783 ,  G03G9/0833 ,  G03G9/08795 ,  G03G9/0902 ,  G03G9/09708

摘要： A modified charge control agent composition comprising a metal compound (A) of aromatic hydroxycarboxylic acid bonded with a metal atom selected from a zirconium atom, a calcium atom, an aluminum atom, a chromium atom, a boron atom, and a zinc atom via at least one of an ionic bond, a covalent bond, and a coordinate bond; and at least one inorganic pigment (B), wherein the pigment (B) is contained in an amount of from 1 to 20 parts by mass in 100 parts by mass of the composition. The modified charge control agent composition exhibits a high charge-imparting effect, and an electrostatic image developing toner that contains the charge control agent composition will have a high electrostatic charge amount and a high environmental stability.

摘要翻译： 一种改性的电荷控制剂组合物，其包含与选自锆原子，钙原子，铝原子，铬原子，硼原子和锌原子通过的金属原子键合的芳族羟基羧酸的金属化合物（A） 至少一个离子键，共价键和配位键; 和至少一种无机颜料（B），其中所述颜料（B）的含量为所述组合物100质量份中的1〜20质量份。 改进的电荷控制剂组合物表现出高的电荷赋予效果，并且含有电荷控制剂组合物的静电图像显影调色剂将具有高的静电电荷量和高的环境稳定性。

公开(公告)号：US20090104554A1

公开(公告)日：2009-04-23

申请号：US12297819

申请日：2007-04-16

申请人： Hideyuki Otsuka ,  Masaki Okubo ,  Osamu Mukudai

发明人： Hideyuki Otsuka ,  Masaki Okubo ,  Osamu Mukudai

IPC分类号： G03G9/097

CPC分类号： G03G9/09783 ,  G03G9/0833 ,  G03G9/08795 ,  G03G9/0902 ,  G03G9/09708

摘要： The present invention provides a modified charge control agent composition exhibiting a high charge-imparting effect, and an electrostatic image developing toner containing such a charge control agent composition and having a high electrostatic charge amount and an environmental stability.A composition comprising a metal compound (A) of aromatic hydroxycarboxylic acid having an aromatic hydroxycarboxylic acid bonded with a metal atom selected from a zirconium atom, a calcium atom, an aluminum atom, a chromium atom, a boron atom and a zinc atom via at least any of ionic bond, covalent bond and coordinate bond; and at least one inorganic pigment (B), wherein the pigment (B) is contained in an amount of from 1 to 20 parts by mass in 100 parts by mass of the composition.

摘要翻译： 本发明提供了具有高电荷赋予效果的改性电荷控制剂组合物和含有这种电荷控制剂组合物并具有高静电电荷量和环境稳定性的静电图像显影调色剂。 一种组合物，其包含具有芳族羟基羧酸的金属化合物（A），其具有与选自锆原子，钙原子，铝原子，铬原子，硼原子和锌原子通过的金属原子键合的芳族羟基羧酸 至少任何离子键，共价键和配位键; 和至少一种无机颜料（B），其中所述颜料（B）的含量为所述组合物100质量份中的1〜20质量份。

公开(公告)号：US20140004459A1

公开(公告)日：2014-01-02

申请号：US14005029

申请日：2012-03-27

申请人： Masaki Okubo ,  Tasuji Orita ,  Hideyuki Otsuka ,  Kenichi Sato ,  Kanae Hiraishi

发明人： Masaki Okubo ,  Tasuji Orita ,  Hideyuki Otsuka ,  Kenichi Sato ,  Kanae Hiraishi

IPC分类号： G03G9/097

CPC分类号： G03G9/09775 ,  G03G9/08782 ,  G03G9/091 ,  G03G9/09741 ,  G03G9/09783

摘要： The present invention is a toner for developing electrostatic charge image containing a wax derived from a plant cholesterol, an electric charge-controlling agent, a coloring agent and a binding resin. The toner is suited for use in the electromagnetic induction-heated fixing system which is capable of heating the heating member up to a predetermined fixing temperature in a short period of time, makes it possible to maintain images free of irregular luster or fouling for extended periods of time and is, further, suited for being fixed at a low temperature.

摘要翻译： 本发明是用于显影含有源自植物胆固醇的蜡，电荷控制剂，着色剂和粘合树脂的静电荷图像的调色剂。 该调色剂适用于能够在短时间内将加热部件加热至预定定影温度的电磁感应加热定影系统，使得可以使图像长时间保持不规则的光泽或结垢 的时间，并且还适合于在低温下固定。

公开(公告)号：US07820832B2

公开(公告)日：2010-10-26

申请号：US12481112

申请日：2009-06-09

申请人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

发明人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

IPC分类号： C07D339/08

CPC分类号： G03G9/09775 ,  C07D341/00 ,  G03G9/08748 ,  G03G9/08771

摘要： The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein m is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 9, and n is 1 or 2; or an oxidized cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

摘要翻译： 本发明公开了氧化型环状苯酚硫化物，其为m为8的氧化型环状苯酚硫化物和m为8以外的整数的氧化型环状苯酚硫化物的混合物，氧化型环状苯酚硫化物由下式 （1）表示：其中R是具有1-6个碳原子的直链或支链烷基，m是4至9的整数，n是1或2; 或式（1）的氧化环状苯酚硫化物，其中m为8.本发明还公开了一种电荷控制剂，其包含上述硫化物作为活性成分; 以及包含电荷控制剂，着色剂和粘合剂树脂的调色剂。 该电荷控制剂对于彩色调色剂特别有用，并且其加速时间上升，并且具有高的电荷量和环境稳定性优良的充电特性。 此外，充电控制剂是安全的，因为废物规定没有任何问题。

公开(公告)号：US20090035678A1

公开(公告)日：2009-02-05

申请号：US12240520

申请日：2008-09-29

申请人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

发明人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

IPC分类号： G03G9/00 ,  C07D341/00

CPC分类号： G03G9/09733 ,  C07D341/00 ,  G03G9/08711 ,  G03G9/0904 ,  G03G9/09758 ,  G03G9/09775

摘要： The present invention discloses a mixed cyclic phenol sulfide which is a mixture of the cyclic phenol sulfide wherein m is 8 and the cyclic phenol sulfide wherein m is an integer other than 8, the cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, and m is an integer from 4 to 9; or a cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in the environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

摘要翻译： 本发明公开了一种混合环状苯酚硫化物，其中m为8的环状苯酚硫化物和m为8以外的环状苯酚硫化物的混合物，环状苯酚硫化物由下式（1）表示： 其中R是具有1至6个碳原子的直链或支链烷基，m是4至9的整数; 或式（1）的环状苯酚硫化物，其中m为8.本发明还公开了一种电荷控制剂，其包含上述硫化物作为活性成分; 以及包含电荷控制剂，着色剂和粘合剂树脂的调色剂。 该电荷控制剂对于彩色调色剂特别有用，并且其加速电荷上升时间，并且具有高的电荷量和环境稳定性优良的充电特性。 此外，充电控制剂是安全的，因为废物规定没有任何问题。

公开(公告)号：US20120315576A1

公开(公告)日：2012-12-13

申请号：US13581226

申请日：2011-02-21

申请人： Masateru Yasumura ,  Masami Ito ,  Masaya Tojo ,  Kanae Hiraishi ,  Masaki Okubo ,  Hideyuki Otsuka

发明人： Masateru Yasumura ,  Masami Ito ,  Masaya Tojo ,  Kanae Hiraishi ,  Masaki Okubo ,  Hideyuki Otsuka

IPC分类号： C07D413/06 ,  C07D277/36 ,  G03G9/16

CPC分类号： G03G9/09758 ,  C09B23/0008 ,  C09B23/0025 ,  C09B23/0091 ,  C09B23/04 ,  G03G9/0806 ,  G03G9/081 ,  G03G9/08711 ,  G03G9/0904 ,  G03G9/0914 ,  G03G9/09775

摘要： The present invention provides a charge control agent containing, as an active substance(s), one or two or more rhodanine compounds represented by the following formula (1). where R1 represents a hydrogen atom, etc.; R2 represents a hydrogen atom, a linear or branched alkyl group having 1 to 8 carbon atoms which may have a substituent, a substituted or unsubstituted heterocyclic group, etc.; R3 to R7, which may be identical to or different from each other, represent a hydrogen atom, a linear or branched alkyl group having 1 to 10 carbon atoms which may have a substituent, a linear or branched alkyloxy group having 1 to 20 carbon atoms which may have a substituent, etc., and may be joined to each other to form a ring; and V, W, X, Y and Z represent a carbon atom or a nitrogen atom, and 0 to 3 of any of V, W, X, Y and Z are nitrogen atoms which do not have the substituents of R3 to R7.

摘要翻译： 本发明提供一种电荷控制剂，其含有作为活性物质的一种或两种以上由下式（1）表示的绕丹宁化合物。 其中R1表示氢原子等; R2表示氢原子，可具有取代基的碳原子数1〜8的直链或支链烷基，取代或未取代的杂环基等。 可以相同或不同的R 3〜R 7表示氢原子，可以具有取代基的碳原子数1〜10的直链或支链烷基，碳原子数1〜20的直链或支链烷氧基 其可以具有取代基等，并且可以彼此连接形成环; V，W，X，Y和Z表示碳原子或氮原子，V，W，X，Y和Z中的任一个中的0〜3为不具有R 3〜R 7的取代基的氮原子。

公开(公告)号：US20110045396A1

公开(公告)日：2011-02-24

申请号：US12990484

申请日：2009-05-08

申请人： Masateru Yasumura ,  Masami Ito ,  Yoshikazu Aoki ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

发明人： Masateru Yasumura ,  Masami Ito ,  Yoshikazu Aoki ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

IPC分类号： G03G9/08 ,  C07F3/06 ,  C07F15/02 ,  C07F3/04 ,  G03G9/087

CPC分类号： G03G9/09783 ,  G03G9/0975 ,  G03G9/09775

摘要： The present invention discloses a charge control agent which comprises a metal compound of a cyclic phenol sulfide of the following formula (1) as an active ingredient: wherein at least one of several Y is a metal atom. The present invention also discloses a toner which comprises one or more kinds of said metal compound, a coloring agent and a binder resin. The charge control agent of the present invention overcomes disadvantages such as lack of sharpness of first copied images and instability of the quality of the copied images in continuously copying, and it is those applicable to recent high speed printers, which have a quick charging rise time, an excellent environmental stability since the charge amount thereof less varies depending on the changes of temperature and humidity, and a high frictional charge amount. In addition, by using said charge control agent, a toner having a negative electric with high charging performance can be provided.

摘要翻译： 本发明公开了一种电荷控制剂，其包含下式（1）的环状苯酚硫化物的金属化合物作为有效成分：其中，几个Y中的至少一个为金属原子。 本发明还公开了一种包含一种或多种所述金属化合物，着色剂和粘合剂树脂的调色剂。 本发明的电荷控制剂克服了第一复印图像的清晰度不足和复印图像的质量不稳定等不良情况，适用于具有快速充电时间的近来的高速打印机 由于其充电量根据温度和湿度的变化以及高的摩擦带电量而变化较小，所以环境稳定性优异。 此外，通过使用所述电荷控制剂，可以提供具有高充电性能的负电的调色剂。

公开(公告)号：US07709172B2

公开(公告)日：2010-05-04

申请号：US12249766

申请日：2008-10-10

申请人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

发明人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

IPC分类号： G03G9/08

CPC分类号： G03G9/09775 ,  C07D341/00 ,  G03G9/08748 ,  G03G9/08771

摘要： The present invention discloses an oxidized mixed cyclic phenol sulfide which is a mixture of the oxidized cyclic phenol sulfide wherein m is 8 and the oxidized cyclic phenol sulfide wherein m is an integer other than 8, the oxidized cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, m is an integer from 4 to 9, and n is 1 or 2; or an oxidized cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

公开(公告)号：US20130296578A1

公开(公告)日：2013-11-07

申请号：US13980203

申请日：2012-02-03

申请人： Yuki Amano ,  Naohiro Naito ,  Hisao Okada ,  Masaki Okubo ,  Yoshikazu Aoki ,  Hideyuki Otsuka

发明人： Yuki Amano ,  Naohiro Naito ,  Hisao Okada ,  Masaki Okubo ,  Yoshikazu Aoki ,  Hideyuki Otsuka

IPC分类号： C07F7/02

CPC分类号： C07F7/02 ,  C01B33/18 ,  C01P2006/40 ,  C09C1/3063 ,  C09C1/3081 ,  C09C1/309 ,  G03G9/09716 ,  G03G9/09725

摘要： Provided by the present invention is a surface-modified silica powder, characterized in that the said powder is obtained by surface treatment of a silica powder with one or two or more of a compound (A) and with an aminosilane (B), wherein the fixing rate of the compound (A) and the aminosilane (B) is a total of 50% or more, the hydrophobic rate is 80% or more, and the triboelectrostatic charge amount is 200 μC/g or less in its absolute value. The surface-modified silica powder of the present invention can stabilize many properties including fluidity and electrostatic properties while can significantly reduce problems such as fogging and decrease in image quality without significantly deteriorating characteristics of a developing agent and so forth when this is used as an external additive.

摘要翻译： 本发明提供一种表面改性二氧化硅粉末，其特征在于，所述粉末是通过用一种或两种以上的化合物（A）和氨基硅烷（B）进行二氧化硅粉末的表面处理得到的，其中， 化合物（A）和氨基硅烷（B）的定影率总共为50％以上，疏水率为80％以上，摩擦电位静电电荷的绝对值为200μC/ g以下。 本发明的表面改性二氧化硅粉末可以稳定包括流动性和静电特性的许多性能，同时可以显着降低诸如起雾和降低图像质量的问题，而不会显着降低显影剂等的特性，当将其用作外部 添加剂。

公开(公告)号：US07901858B2

公开(公告)日：2011-03-08

申请号：US12240520

申请日：2008-09-29

申请人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

发明人： Masateru Yasumura ,  Masami Ito ,  Naohiro Tarumoto ,  Yoshikazu Aoki ,  Masafumi Umekawa ,  Masaki Okubo ,  Hideyuki Otsuka ,  Jun Watanabe

IPC分类号： G03G9/097

CPC分类号： G03G9/09733 ,  C07D341/00 ,  G03G9/08711 ,  G03G9/0904 ,  G03G9/09758 ,  G03G9/09775

摘要： The present invention discloses a mixed cyclic phenol sulfide which is a mixture of the cyclic phenol sulfide wherein m is 8 and the cyclic phenol sulfide wherein m is an integer other than 8, the cyclic phenol sulfide being represented by the following formula (1): wherein R is a straight or branched alkyl group having 1 to 6 carbon atoms, and m is an integer from 4 to 9; or a cyclic phenol sulfide of formula (1) wherein m is 8. The present invention also discloses a charge control agent which comprises the above sulfide(s) as the active ingredient; and a toner which comprises the charge control agent, a coloring agent and a binder resin. This charge control agent is particularly useful for color toners, and it speeds up charging risetime, and has a high charge amount and charging characteristics excellent in the environmental stability. Further, the charge control agent is safe since it does not have any problem with the waste regulations.

摘要翻译： 本发明公开了一种混合环状苯酚硫化物，其中m为8的环状苯酚硫化物和m为8以外的环状苯酚硫化物的混合物，环状苯酚硫化物由下式（1）表示： 其中R是具有1至6个碳原子的直链或支链烷基，m是4至9的整数; 或式（1）的环状苯酚硫化物，其中m为8.本发明还公开了一种电荷控制剂，其包含上述硫化物作为活性成分; 以及包含电荷控制剂，着色剂和粘合剂树脂的调色剂。 该电荷控制剂对于彩色调色剂特别有用，并且其加速电荷上升时间，并且具有高的电荷量和环境稳定性优良的充电特性。 此外，充电控制剂是安全的，因为废物规定没有任何问题。