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1.发明授权公开(公告)号：US10011729B2
公开(公告)日：2018-07-03
申请号：US15601283
申请日：2017-05-22
IPC分类号： C09D11/322 , C09D11/32 , C09D11/326 , B41J2/015 , B41J2/135 , B41J2/315 , C09D11/324 , C09D11/02
CPC分类号： C09D11/322 , C09D11/326 , C09D11/38
摘要： An ink is provided. The ink includes a quinacridone pigment and an organic solvent having a solubility parameter of from 9.00 to 11.80 in an amount of from 30% to 60% by mass of total mass of the ink. Both a viscosity change rate and a particle diameter change rate of the ink, before and after the ink is heated at 80° C. for 4 weeks in a sealed state, are in the range of from −5% to 1%.
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公开(公告)号：US10000656B2
公开(公告)日：2018-06-19
申请号：US15373523
申请日：2016-12-09
申请人： Yoshiki Yanagawa , Akihiko Matsuyama , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Akiyoshi Sabu , Yuusuke Koizuka , Koichiro Oyama , Takuya Yamazaki
发明人： Yoshiki Yanagawa , Akihiko Matsuyama , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Akiyoshi Sabu , Yuusuke Koizuka , Koichiro Oyama , Takuya Yamazaki
IPC分类号： C09D11/107 , C09D11/30 , C09D11/322 , C09D133/14
CPC分类号： C09D133/14 , C09D11/107 , C09D11/322
摘要： An ink includes a pigment a quinacridone compound represented by Chemical formula 1, and a copolymer including the structure unit represented by Chemical formula 2 or Chemical formula 3. In Chemical formula 1, R1, R2, R3, and R4 each, independently represent hydrogen atoms, halogen atoms, or alkyl groups having 1-4 carbon atoms, R5, R6, and R7 each, independently represent alkyl groups having 1-4 carbon atoms or alkylene groups having 1-4 carbon atoms, and m represents 1 or 2, In Chemical formula 2, R8 represents a hydrogen atom or a methyl group and L1 represents an alkylene group having 2-16 carbon atoms, In Chemical formula 3, R9 represents a hydrogen atom or a methyl group, L2 represents a single bond or —(CH2)n—O— and n represents an integer of 2-16.
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公开(公告)号：US09777091B2
公开(公告)日：2017-10-03
申请号：US14950175
申请日：2015-11-24
申请人： Masayuki Fukuoka , Shigeyuki Harada , Yoshiki Yanagawa , Keita Katoh , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Akiyoshi Sabu , Takuya Yamazaki , Akihiko Matsuyama
发明人： Masayuki Fukuoka , Shigeyuki Harada , Yoshiki Yanagawa , Keita Katoh , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Akiyoshi Sabu , Takuya Yamazaki , Akihiko Matsuyama
IPC分类号： C09D11/107 , C08F220/30 , C08F220/10 , C09D11/322 , C08F220/28 , C08F220/36 , C08K5/20
CPC分类号： C08F220/10 , C08F220/28 , C08F220/36 , C08K5/20 , C09D11/107 , C09D11/322 , C08F2220/286 , C08F2220/346
摘要： A copolymer includes the structure unit represented by the following Chemical formula 1 and the structure unit represented by the following Chemical formula 2, where R1 and R2 each, independently represent hydrogen atoms or methyl groups, and n represents a value in the range of from 1 to 90, where R3 represents a hydrogen atom or a methyl group and L represents an alkylene group having 2 to 18 carbon atoms.
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公开(公告)号：US10233341B2
公开(公告)日：2019-03-19
申请号：US15282101
申请日：2016-09-30
申请人： Yuusuke Koizuka , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Akihiko Matsuyama , Yoshiki Yanagawa , Koichiro Oyama , Takuya Yamazaki , Akiyoshi Sabu
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： C09D11/102 , 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.
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公开(公告)号：US09850391B2
公开(公告)日：2017-12-26
申请号：US15259676
申请日：2016-09-08
申请人： Masayuki Fukuoka , Shigeyuki Harada , Yoshiki Yanagawa , Takuya Yamazaki , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Akiyoshi Sabu , Akihiko Matsuyama
发明人： Masayuki Fukuoka , Shigeyuki Harada , Yoshiki Yanagawa , Takuya Yamazaki , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Akiyoshi Sabu , Akihiko Matsuyama
IPC分类号： C09D11/104 , C09D11/322
CPC分类号： C09D11/104 , C09D11/322 , C09D11/326
摘要： Provided is an ink including: copolymer including at least one of structural unit of formula (1) and structural unit of formula (2); pigment having acid value of ≦15 μmol/g and represented by formula (3); water; and water-soluble organic solvent. In formula (1), R1 represents hydrogen or methyl group. L1 represents alkylene group including 2-18 carbon atoms. In formula (2), R1 represents hydrogen or methyl group. L2 represents single bond or —(CH2)n-O— of which oxygen is bound with biphenyl. n represents integer of 2 through 18. In formula (3), R1 represents any one of hydrogen, halogen, alkyl group including 1-4 carbon atoms, alkoxy group including 1-4 carbon atoms, hydroxy, nitro, and alkyl substituted or unsubstituted amino group including 1-4 carbon atoms. n represents integer of 1 through 5. When n is a plural number, R1 may be identical or different. R2, R3, and R4 represent alkyl group including 1-4 carbon atoms.
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公开(公告)号：US10370548B2
公开(公告)日：2019-08-06
申请号：US15704834
申请日：2017-09-14
申请人： Shigeyuki Harada , Akihiko Matsuyama , Yoshiki Yanagawa , Masayuki Fukuoka , Takuya Yamazaki , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Akiyoshi Sabu
发明人： Shigeyuki Harada , Akihiko Matsuyama , Yoshiki Yanagawa , Masayuki Fukuoka , Takuya Yamazaki , Kazukiyo Nagai , Yuusuke Koizuka , Tomoyuki Shimada , Akiyoshi Sabu
IPC分类号： B41J2/17 , C09D11/107 , C08F220/36 , C08F220/58 , C09D11/326 , B41J2/175 , C09D11/033 , C09D11/322 , C08F220/34
摘要： A copolymer including a structural unit represented by General Formula (1) below, and a structural unit represented by General Formula (2) below, where, in General Formula (1), R1 is a hydrogen atom or a methyl group, L1 is an alkylene group having 2 or greater carbon atoms but 5 or less carbon atoms, and X is a hydrogen atom or a cation, where, in General Formula (2), R2 is a hydrogen atom or a methyl group and L2 is an alkylene group having 2 or greater carbon atoms but 18 or less carbon atoms.
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公开(公告)号：US20190136076A1
公开(公告)日：2019-05-09
申请号：US16242549
申请日：2019-01-08
申请人： Yuusuke Koizuka , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Akihiko Matsuyama , Yoshiki Yanagawa , Koichiro Oyama , Takuya Yamazaki , Akiyoshi Sabu
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： C09D11/102 , C09D11/324 , C09D11/322
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.
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公开(公告)号：US10280321B2
公开(公告)日：2019-05-07
申请号：US15001829
申请日：2016-01-20
申请人： Akihiko Matsuyama , Hiroshi Gotou , Michihiko Namba , Hidetoshi Fujii , Amika Sagara , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Yoshiki Yanagawa , Akiyoshi Sabu , Yuusuke Koizuka , Masayuki Fukuoka , Takuya Yamazaki
发明人： Akihiko Matsuyama , Hiroshi Gotou , Michihiko Namba , Hidetoshi Fujii , Amika Sagara , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Yoshiki Yanagawa , Akiyoshi Sabu , Yuusuke Koizuka , Masayuki Fukuoka , Takuya Yamazaki
IPC分类号： C09D11/322 , C09D11/10 , C09D11/12
摘要： An ink includes a pigment, a wax, a water soluble solvent including a solvent having an SP value of from 9.0 to 11.0, and water, wherein the mass ratio of the content of the wax in the ink to the content of the solvent having an SP value of from 9.0 to 11.0 is in a range of from 1.0:2.5 to 1.0:25.0.
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9.发明授权公开(公告)号：US10273373B2
公开(公告)日：2019-04-30
申请号：US15454334
申请日：2017-03-09
申请人： Yuusuke Koizuka , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Koichiro Oyama , Takuya Yamazaki , Akiyoshi Sabu , Yoshiki Yanagawa , Akihiko Matsuyama
发明人： Yuusuke Koizuka , Kazukiyo Nagai , Tomoyuki Shimada , Shigeyuki Harada , Koichiro Oyama , Takuya Yamazaki , Akiyoshi Sabu , Yoshiki Yanagawa , Akihiko Matsuyama
IPC分类号： C09D11/107 , C09D11/322 , C09D11/033 , B41J2/01 , H02M3/157 , H02M1/00
摘要： Provided is an ink containing water, a coloring material, and a copolymer, wherein the copolymer contains a structural unit represented by any one of general formulae (1a), (1b), and (1c) below and a structural unit containing an anionic group, where R1 represents a hydrogen atom or a methyl group, a represents an integer of from 6 through 10, and b represents an integer of 0 or 1, where R2 represents a hydrogen atom or a methyl group, c represents an integer of 3 or 4, and d represents an integer of 0 or 1, where R3 represents a hydrogen atom or a methyl group and e represents an integer of from 2 through 10.
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公开(公告)号：US09988543B2
公开(公告)日：2018-06-05
申请号：US15174063
申请日：2016-06-06
申请人： Akihiko Matsuyama , Shigeyuki Harada , Yoshiki Yanagawa , Masayuki Fukuoka , Takuya Yamazaki , Kazukiyo Nagai , Tomoyuki Shimada , Akiyoshi Sabu , Yuusuke Koizuka
发明人： Akihiko Matsuyama , Shigeyuki Harada , Yoshiki Yanagawa , Masayuki Fukuoka , Takuya Yamazaki , Kazukiyo Nagai , Tomoyuki Shimada , Akiyoshi Sabu , Yuusuke Koizuka
IPC分类号： C09D11/322 , C09D135/02 , B41J2/175 , B41J29/13 , C09D11/107
CPC分类号： C09D11/322 , B41J2/17503 , B41J2/1752 , B41J29/13 , C09D11/107 , C09D135/02
摘要： Provided is an ink containing a copper phthalocyanine pigment, wherein an absorbance ratio (Y/X) of a local minimum absorbance Y of the ink in a wavelength range of from 665 nm through 675 nm to a local maximum absorbance X of the ink in a wavelength range of from 610 nm through 620 nm is 0.660 or greater but 0.740 or less.
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