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1. 发明授权

US10844235B2 Ink, method of manufacturing ink, and ink cartridge 有权
公开(公告)号：US10844235B2
公开(公告)日：2020-11-24
申请号：US16242549
申请日：2019-01-08
申请人： Ricoh Company, Ltd.
发明人： Yuusuke Koizuka , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Akihiko Matsuyama , Yoshiki Yanagawa , Koichiro Oyama , Takuya Yamazaki , Akiyoshi Sabu
IPC分类号： C08F220/34 , C09D11/102 , C09D11/322 , C09D11/324
CPC分类号： C09D11/102 , C08F220/34 , C08F220/343 , C09D11/322 , C09D11/324
摘要： Ink includes water, a coloring material, and a copolymer including a first structure unit represented by the following Chemical formula 1 and a second structure unit including an anionic group.

In the Chemical formula, R represents a hydrogen atom or a methyl group, X represents an alkylene group having 2-4 carbon atoms, and Y represents a substituted or non-substituted straight-chain alkylene group having 5 to 7 carbon atoms.

2. 发明授权

US09267046B2 Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter 有权
公开(公告)号：US09267046B2
公开(公告)日：2016-02-23
申请号：US14712472
申请日：2015-05-14
申请人： RICOH COMPANY, LTD.
发明人： Akihiko Matsuyama , Mitsuru Naruse , Masayasu Nonogaki , Minoru Hakiri , Keita Katoh
IPC分类号： C09D11/322 , C09D11/36 , C09D11/326 , C08K5/3437
CPC分类号： C09D11/36 , C08K5/3437 , C09D11/322 , C09D11/326 , Y10T428/24802 , Y10T428/24901
摘要： Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuKα X-ray diffraction spectrum having a wavelength of 1.541 Å such that no main peak is observed at a Bragg (2θ±0.2°) angle in a range of 2θ of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.

3. 发明授权

US09850335B2 Copolymer, aqueous ink, and ink cartridge 有权
公开(公告)号：US09850335B2
公开(公告)日：2017-12-26
申请号：US14800064
申请日：2015-07-15
申请人： RICOH COMPANY, LTD.
发明人： Shigeyuki Harada , Keita Katoh , Masayuki Fukuoka , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Yoshiki Yanagawa , Akiyoshi Sabu , Akihiko Matsuyama , Takuya Yamazaki
IPC分类号： C08F220/34 , C08F220/36 , C08F222/10 , C09D11/322 , C09D11/38 , C09D11/107
CPC分类号： C08F222/10 , C08F220/36 , C09D11/107 , C09D11/322 , C09D11/38 , C08F220/06 , C08F222/02 , C08F222/1006
摘要： A copolymer includes a structure unit represented by Chemical Formula I; and a structure unit represented by Chemical Formula II, where R1 and R2 each, independently represent hydrogen atoms or methyl groups, X represents a hydrogen atom or a cation, and L represents an alkylene group having 2 to 18 carbon atoms.

4. 发明授权

US09102841B2 Yellow ink composition for inkjet recording, and inkjet recording method and inkjet recorded material 有权
标题翻译：用于喷墨记录的黄色油墨组合物，以及喷墨记录方法和喷墨记录材料
公开(公告)号：US09102841B2
公开(公告)日：2015-08-11
申请号：US13940623
申请日：2013-07-12
申请人： Ricoh Company, Ltd.
发明人： Akihiko Matsuyama
IPC分类号： C09D11/322 , C09D11/326 , C09D11/36
CPC分类号： C09D11/36 , C09D11/322 , C09D11/326 , Y10T428/24901
摘要： A yellow ink composition includes a particulate pigment; a dispersant; a water-soluble solvent; and water, wherein the ink composition satisfies the following relationship: 0.02≦Y/X≦0.07 (1) wherein X represents a maximum absorbance of the ink composition at a wavelength of from 400 to 450 nm; and Y represents an absorbance thereof at a wavelength of 500 nm.
摘要翻译：黄色油墨组合物包括颗粒状颜料; 分散剂; 水溶性溶剂; 和水，其中油墨组合物满足以下关系：0.02＆nlE; Y / X＆nlE; 0.07（1）其中X表示墨水组合物在400至450nm波长处的最大吸光度; Y表示波长500nm处的吸光度。

5. 发明授权

US09315684B2 Ink composition, inkjet recording method, and printed matter 有权
公开(公告)号：US09315684B2
公开(公告)日：2016-04-19
申请号：US14709993
申请日：2015-05-12
申请人： Ricoh Company, Ltd.
发明人： Akihiko Matsuyama
IPC分类号： C09D11/322 , B41J2/17 , C09D11/326 , C08K5/3437
CPC分类号： C09D11/322 , C08K5/3437 , C09D11/326 , Y10T428/24901
摘要： The present invention provides an ink composition that contains a pigment, a dispersant, a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1: where R represents hydrogen, an alkyl group having one to three carbon atoms, or chlorine, wherein the ink composition satisfies the following relations 1 and 2: 0.050≦X/Y≦0.120 Relation 1 0.700≦Z/Y≦1.050 Relation 2 where X represents a minimum absorbance in a wavelength range of from 400 nm to 450 nm, Y represents an absorbance of a maximum peak in a wavelength range of from 500 nm to 550 nm, and Z represents an absorbance of a maximum peak in a wavelength range of from 550 nm to 600 nm.

6. 发明授权

US09139749B2 Ink composition, recording method, printed matter, ink cartridge, and inkjet recording device 有权
标题翻译：油墨组合物，记录方法，印刷品，墨盒和喷墨记录装置
公开(公告)号：US09139749B2
公开(公告)日：2015-09-22
申请号：US14025241
申请日：2013-09-12
申请人： Ricoh Company, Ltd.
发明人： Akihiko Matsuyama , Mitsuru Naruse , Masayasu Nonogaki , Minoru Hakiri , Keita Katoh , Kazukiyo Nagai , Yuusuke Koizuka
IPC分类号： C09D11/322 , C09D11/326 , B41J2/175
CPC分类号： C09D11/322 , B41J2/17503
摘要： An ink composition contains a pigment represented by the following chemical formula 1; a hydrosoluble solvent; and water, wherein the pigment satisfies the following relation 1:0.040
摘要翻译：油墨组合物含有由以下化学式1表示的颜料; 水溶性溶剂; 和水，其中所述颜料满足以下关系1：0.040

7. 发明授权

US11274221B2 Ink, ink set, ink container, image forming method, image forming apparatus and recorded matter 有权
公开(公告)号：US11274221B2
公开(公告)日：2022-03-15
申请号：US16169621
申请日：2018-10-24
申请人： RICOH COMPANY, LTD.
发明人： Kazuhiko Umemura , Yuuki Yokohama , Akihiko Matsuyama , Amika Sagara , Masaki Kudo , Mayumi Yoshihara , Kento Sugita
IPC分类号： C09D11/00 , C09D11/102 , C09D11/322 , C09D11/40 , C09D11/38 , C09D183/12 , C09D1/00 , C09D4/00 , C09D5/00 , C09K3/00 , C08L83/06 , C08G77/46
摘要： An ink includes at least one polyether-modified siloxane compound, and at least one aliphatic alcohol alkylene oxide compound. The mass ratio of the polyether-modified siloxane compound to the aliphatic alcohol alkylene oxide compound in the ink is from 95/5 to 50/50.

8. 发明授权

US09359522B2 Ink composition, ink cartridge, inkjet recording device, and inkjet printed matter 有权
标题翻译：油墨组合物，墨盒，喷墨记录装置和喷墨印刷品
公开(公告)号：US09359522B2
公开(公告)日：2016-06-07
申请号：US14463886
申请日：2014-08-20
申请人： RICOH COMPANY, LTD.
发明人： Akihiko Matsuyama , Mitsuru Naruse , Masayasu Nonogaki , Keita Katoh , Kazukiyo Nagai , Yuusuke Koizuka
IPC分类号： C09D143/02 , C08K5/3437
CPC分类号： C09D143/02 , C08K5/3437 , Y10T428/24802
摘要： An ink composition contains a pigment; a copolymer containing a phosphoric acid group or phosphonic acid group; a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1 and satisfies the following relation 1: Y
摘要翻译：油墨组合物含有颜料; 含有磷酸基或膦酸基的共聚物; 水溶性溶剂; 和水，其中颜料由以下化学式1表示，并且满足以下关系1：Y

9. 发明授权

US09150745B2 Inkjet ink, ink cartridge, inkjet recording device, and inkjet printed matter 有权
标题翻译：喷墨墨水，墨盒，喷墨记录装置和喷墨印刷品
公开(公告)号：US09150745B2
公开(公告)日：2015-10-06
申请号：US13974367
申请日：2013-08-23
申请人： RICOH COMPANY, LTD.
发明人： Akihiko Matsuyama , Mitsuru Naruse , Masayasu Nonogaki , Minoru Hakiri , Keita Katoh
IPC分类号： C09D11/322 , C09D11/326
CPC分类号： C09D11/36 , C08K5/3437 , C09D11/322 , C09D11/326 , Y10T428/24802 , Y10T428/24901
摘要： Inkjet ink contains a pigment, a hydrosoluble solvent, and water, wherein the pigment is represented by the following chemical formula 1 and has a CuKα X-ray diffraction spectrum having a wavelength of 1.541 Å such that no main peak is observed at a Bragg (2θ±0.2°) angle in a range of 2θ of from 28.0° to 29.0°, wherein R represents a hydrogen atom, a methyl group, or a chlorine atom.
摘要翻译：喷墨油墨含有颜料，水溶性溶剂和水，其中颜料由以下化学式1表示，并且具有波长为1.541的CuKαX射线衍射光谱，使得在布拉格（Bragg）处没有观察到主峰 2＆thetas;±0.2°）角度在2＆amp;该范围内; 为28.0°〜29.0°，R为氢原子，甲基或氯原子。

10. 发明授权

US09056993B2 Ink composition, inkjet recording method, and printed matter 有权
标题翻译：油墨组合物，喷墨记录方法和印刷品
公开(公告)号：US09056993B2
公开(公告)日：2015-06-16
申请号：US13913626
申请日：2013-06-10
申请人： Ricoh Company, Ltd.
发明人： Akihiko Matsuyama
IPC分类号： C09D11/322 , C09D11/326
CPC分类号： C09D11/322 , C08K5/3437 , C09D11/326 , Y10T428/24901
摘要： The present invention provides an ink composition that contains a pigment, a dispersant, a hydrosoluble solvent; and water, wherein the pigment is represented by the following chemical formula 1: where R represents hydrogen, an alkyl group having one to three carbon atoms, or chlorine, wherein the ink composition satisfies the following relations 1 and 2: 0.050≦X/Y≦0.120 Relation 1 0.700≦Z/Y≦1.050 Relation 2 where X represents a minimum absorbance in a wavelength range of from 400 nm to 450 nm, Y represents an absorbance of a maximum peak in a wavelength range of from 500 nm to 550 nm, and Z represents an absorbance of a maximum peak in a wavelength range of from 550 nm to 600 nm.
摘要翻译：本发明提供一种含有颜料，分散剂，水溶性溶剂的油墨组合物，和水，其中颜料由以下化学式1表示：其中R表示氢，具有1至3个碳原子的烷基或氯，其中油墨组合物满足以下关系1和2：0.050＆nlE; X / Y＆nlE; 0.120关系1 0.700＆nlE; Z / Y＆nlE; 1.050关系2其中X表示在400nm至450nm的波长范围内的最小吸光度，Y表示在500nm至500nm的波长范围内的最大峰的吸光度 550nm，Z表示在550nm至600nm的波长范围内的最大峰的吸光度。

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