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1. 发明专利

JP2005342919A Reversible heat-sensitive recording medium and its manufacturing method 审中-公开
标题翻译：可反应的热敏记录介质及其制造方法
公开(公告)号：JP2005342919A
公开(公告)日：2005-12-15
申请号：JP2004162281
申请日：2004-05-31
申请人： Ricoh Co Ltd , Tohoku Ricoh Co Ltd , 東北リコー株式会社 , 株式会社リコー
发明人： MIKAMI YOSHIHARU , FURUYA HIROMI , TSUTSUI KYOJI
IPC分类号： B41M5/337 , B41M5/26 , B41M5/28 , B41M5/30
CPC分类号： B41M5/305
摘要： PROBLEM TO BE SOLVED: To provide a reversible heat-sensitive recording medium with successful durability and its manufacturing method. SOLUTION: This reversible heat-sensitive recording medium has a recording layer 14 containing an organoclay 11, formed on a support. In the method for manufacturing the reversible heat-sensitive recording medium, the organoclay 11 is added to the recording layer 14. In addition, the reversible heat-sensitive recording medium has the organoclay 11 added to at least either of the recording layer 14 or the protective layer 15 formed on the recording layer 14. In the manufacturing method, the organoclay 11 is added to at least either of the recording layer 14 or the protective layer 15. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供具有成功耐用性的可逆热敏记录介质及其制造方法。解决方案：该可逆热敏记录介质具有包含形成在支撑体上的有机粘土11的记录层14。在可逆热敏记录介质的制造方法中，将有机粘土11添加到记录层14中。此外，可逆热敏记录介质将有机粘土11添加到记录层14或保护层15形成在记录层14上。在制造方法中，有机粘土11被添加到记录层14或保护层15中的至少任一个上。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2008036934A Reversible thermal color developing composition and reversible thermal recording medium using it 审中-公开
标题翻译：可反射的热色发展组合物和可逆的热记录介质
公开(公告)号：JP2008036934A
公开(公告)日：2008-02-21
申请号：JP2006213217
申请日：2006-08-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FURUYA HIROMI , YAMAMOTO SATOSHI , OKADA NORITOMO
IPC分类号： B41M5/337 , B41M5/333
摘要： PROBLEM TO BE SOLVED: To provide a reversible thermal recording medium having high speed erasing properties capable of corresponding to a thermal head erasing and having a high utility. SOLUTION: The reversible thermal color developing composition capable of forming relatively a color developing condition and a color erasing condition based on the differences of heating temperatures and/or cooling speeds after heating by using an electron-donating coloring compound and an electron-accepting compound, is characterized by comprising at least one kind of Zwitter ion-containing compounds in which the total electric charge in the molecule is 0 as a color developing/color erasing controlling agent, and a hetero-group-containing aliphatic hydrocarbon compound having at least one hetero-group consisting of a 6-24C aliphatic hydrocarbon group and carbonyl group, amino group, ether group, thioether group, sulfoxide group, sulfonyl group alone or a combination thereof. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有能够对应于热头擦除并且具有高效用的高速擦除特性的可逆热记录介质。解决方案：通过使用给电子着色化合物和电子发射化合物，能够基于加热温度和/或冷却速度的差异形成相对于显色条件和消色条件的可逆热色彩显影组合物，其特征在于，包含至少一种含有Zwitter离子的化合物，其中分子中的总电荷为0，作为显色/消色控制剂，以及含杂基的脂族烃化合物，其具有由6-24C脂族烃基和羰基，氨基，醚基，硫醚基，亚砜基，单独的磺酰基或其组合组成的至少一个杂基。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2007098735A Reversible multi-color thermal recording medium 审中-公开
标题翻译：可反复多色热记录介质
公开(公告)号：JP2007098735A
公开(公告)日：2007-04-19
申请号：JP2005290635
申请日：2005-10-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FURUYA HIROMI , OKADA NORITOMO , YAMAMOTO SATOSHI , TSUTSUI KYOJI
IPC分类号： B41M5/34 , B41M5/28 , B41M5/30 , B41M5/333 , B41M5/337 , B41M5/46
CPC分类号： B41M5/305
摘要： PROBLEM TO BE SOLVED: To provide a reversible multi-color thermal recording medium which has high color developing/decoloring sensitivity and excellent image uniformity. SOLUTION: This reversible multi-color thermal recording medium 1 is composed of an electron-donative coloring compound and an electron-receptive compound formed on a support 10. In addition, the recording medium 1 has a reversible thermal recording layer which can relatively create a state of color development and a state of decoloration, depending on the difference in a heating temperature and/or a cooling rate after heating. The thermal recording layers 11, 12 and 13 contain a photothermal conversion material which absorbs a light of a specific wavelength range and develops a heat, and further, contains a fine particle of zinc oxide with 10 nm or above and 100 nm or below particle diameter. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供具有高显色/脱色灵敏度和优异图像均匀性的可逆多色热记录介质。解决方案：该可逆多色热记录介质1由形成在载体10上的给电子着色化合物和电子接受性化合物构成。此外，记录介质1具有可逆热记录层，其可以根据加热温度的差异和/或加热后的冷却速度，相对地形成显色状态和脱色状态。热敏记录层11,12,13含有吸收特定波长范围的光并发热的光热转换材料，并且还含有10nm以上且100nm以下的粒径的氧化锌微粒。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2006289958A Reversible thermal recording medium 审中-公开
标题翻译：可逆热记录介质
公开(公告)号：JP2006289958A
公开(公告)日：2006-10-26
申请号：JP2006061885
申请日：2006-03-07
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAMOTO SATOSHI , TSUTSUI KYOJI , FURUYA HIROMI , OKADA NORITOMO
IPC分类号： B41M5/333 , B41M5/28 , B41M5/30 , B41M5/337 , B41M5/40 , G09F3/02
摘要： PROBLEM TO BE SOLVED: To provide a reversible thermal recording medium which exhibits good color developing sensitivity and is excellent in heat-resistant shelf stability of an image part. SOLUTION: The reversible thermal recording medium having a reversible thermal recording layer capable of relatively forming a color developing condition and a color erasing condition by using an electron-donating color developing compound and an electron-accepting compound on a substrate and depending on a difference between heating temperature and/or cooling speed after heating, uses a phenol compound expressed by formula (1) (wherein l is an integer of 1-3 and m is an integer of at least 23) as the electron-accepting compound. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供显示出良好的显色灵敏度并且具有优异的图像部分的耐热储存稳定性的可逆热记录介质。解决方案：具有能够相对形成彩色显影条件的可逆热记录层的可逆热记录介质和通过在基板上使用给电子显色化合物和电子接受性化合物的颜色消除条件，并且取决于加热后的加热温度和/或冷却速度的差别使用由式（1）表示的酚化合物（其中l为1-3的整数，m为至少23的整数）作为电子接受性化合物。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2006076120A Reversible thermosensitive recording medium, member with information recording part, reversible thermosensiitve recording label and their image processing method 审中-公开
标题翻译：具有信息记录部分的可反复记录记录介质，可逆温度记录标签及其图像处理方法
公开(公告)号：JP2006076120A
公开(公告)日：2006-03-23
申请号：JP2004262286
申请日：2004-09-09
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FURUYA HIROMI , TSUTSUI KYOJI , OKADA NORITOMO , YAMAMOTO SATOSHI , HAYAKAWA KUNIO , KAWAHARA MASAYA , SHINPO HITOSHI
IPC分类号： B41M5/337 , B41M5/333 , G09F3/02
摘要： PROBLEM TO BE SOLVED: To provide a reversible thermosensitive recording medium with a reversible thermosensitive recording layer, which has high color developing properties, is excellent in high-speed erasability and can cope with the high-speed decoloration under low temperature and low humid environments, a member such as a card having an information recording part including the reversible thermosensitive recording layer, a reversible thermosensitive recording label and these image processing method. SOLUTION: In the reversible thermosensitive recording medium having the reversible thermosensitive recording layer, in which an electron donative coloring compound and an electron accepting compound are employed on a support so as to allow to form states relatively color-developed and decolorized due to the difference in heating temperature and/or in the cooling speed after heating, as the electron accepting compound, a phenolic compound expressed by general formula (1), wherein n is an integer of at least 8 and m is an integer larger than 1/3 of n, is employed. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有高显色性的可逆热敏记录层的可逆热敏记录介质，具有优异的高速擦除性，并且可以在低温低温下应对高速脱色潮湿环境，诸如具有包括可逆热敏记录层的信息记录部分的卡的成员，可逆热敏记录标签和这些图像处理方法。解决方案：在具有可逆热敏记录层的可逆热敏记录介质中，其中在载体上使用给电子着色化合物和电子接受性化合物，以便允许形成相对发色和脱色的状态，由于加热温度和/或加热后的冷却速度的差异作为电子接受性化合物，由通式（1）表示的酚类化合物，其中n为至少8的整数，m为大于1 / 3的n，被雇用。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2004269669A Ink composition for writing in reversible recording medium, method for rewriting in the same, and rewritable recording device 有权
标题翻译：用于写入可逆记录介质的墨水组合物，用于在其中记录的方法和可记录记录装置
公开(公告)号：JP2004269669A
公开(公告)日：2004-09-30
申请号：JP2003061763
申请日：2003-03-07
申请人： Mitsubishi Pencil Co Ltd , Ricoh Co Ltd , 三菱鉛筆株式会社 , 株式会社リコー
发明人： TSUTSUI KYOJI , FURUYA HIROMI , SHIBUYA TAKESHI , HATTORI HITOSHI , OKUMA TAKASHI , IDENAWA HIROYUKI , YOSHIOKA YASUSHI
IPC分类号： B41J2/32 , B41M5/337 , C09D11/02 , C09D11/033 , C09D11/037 , C09D11/16 , C09D11/17
摘要： PROBLEM TO BE SOLVED: To obtain an ink composition for printing an image in a reversible recording medium, not to be easily removed when the image is to be kept in a document but to be assuredly removed for the erasure of the image when rewriting is required, and capable of rewriting.
SOLUTION: The ink composition is for writing on the surface of the reversible recording medium wherein image formation and erasure are reversible upon energy application, and it contains as its main components at least coloring matter, an alcohol-soluble resin, a nonionic surfactant, and a lower alcohol. Concerning drawn lines drawn with the ink composition and then dried on the surface of an evaluation standard surface sheet having a dynamic advance contact angle of 86.0±2.0° relative to distilled water and a dynamic rearward contact angle of 78.0±2.0° relative to the same, (1) the shrinkage rate in the width of the drawn lines is
摘要翻译：要解决的问题：为了获得用于在可逆记录介质中打印图像的油墨组合物，当图像保持在文档中时不容易去除，而是为了擦除图像而被确实地去除，需要重写，并能重写。解决方案：油墨组合物用于在可逆记录介质的表面上书写，其中成像和擦除在能量施加时是可逆的，并且其含有至少着色物质，醇溶性树脂，非离子表面活性剂表面活性剂和低级醇。关于用油墨组合物画出的画线，然后在相对于蒸馏水具有86.0±2.0°的动态前进接触角和相对于蒸馏水的动态向后接触角为78.0±2.0°的评价标准表面片的表面上干燥，（1）拉伸线宽度的收缩率比干燥前的收缩率低20％，（2）在粘接玻璃纸胶带辅助的165°剥离试验中，（a）拉伸线附着率为以30mm / sec的速度进行剥离时为≤10％，（b）以0.3mm / sec的速度进行剥离时，拉伸线附着率≥80％。版权所有（C）2004，JPO＆NCIPI

7. 发明专利

JP2004181886A Method for recording and erasing information using reversible thermally recording medium, rewritable recording device, and reversible thermally recording medium 审中-公开
公开(公告)号：JP2004181886A
公开(公告)日：2004-07-02
申请号：JP2002354185
申请日：2002-12-05
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FURUYA HIROMI , SHIBUYA TAKESHI , SEKIYAMA YASUSHI , TSUTSUI KYOJI
IPC分类号： B41J2/32 , B41M5/26 , B41M5/337
摘要： PROBLEM TO BE SOLVED: To provide a reversible thermally recording medium excellent in recording and erasing using paper as a support, a reversible thermally recording medium of a sheet size such as A4 or B5 for office use, and a recording and erasing method using the same and a rewritable recording device. SOLUTION: The method for recording and erasing information using the reversible thermally recording medium uses paper as a support, upon which a reversible thermal layer having a property for repeating reversibly between coloring and decoloring by heat is provided. While the reversible thermally recording medium is transferred in a specified direction, information is recorded and displayed by heating and/or information recorded and displayed is erased by heating. The reversible thermally recording medium is transferred corresponding to a paper CD (cross direction) being the support. COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004001427A Reversible thermal recording medium 有权
公开(公告)号：JP2004001427A
公开(公告)日：2004-01-08
申请号：JP2003077347
申请日：2003-03-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HAYAKAWA KUNIO , KAWAHARA MASAYA , TATEWAKI TADAFUMI , YAMAMOTO MAKOTO , SHINPO HITOSHI , TSUTSUI KYOJI , FURUYA HIROMI , SHIBUYA TAKESHI , HOTTA YOSHIHIKO
IPC分类号： B41J2/32 , B41M5/26 , B41M5/30 , B41M5/333 , B41M5/337 , G09F3/10
摘要： PROBLEM TO BE SOLVED: To provide a reversible thermal recording medium in which color developing density and color erasing density are not affected by humidity and which is excellent in high contrast, has little occurrence of hitting marks and little change in density by repeated uses, and is excellent in durability, and in addition, can be achromatized by a thermal head and is excellent in high-speed achromatism. SOLUTION: The reversible thermal recording medium has a reversible thermal recording layer comprising a reversible thermal composition using an electron-donating coloring compound and an electron-accepting compound on a substrate and capable of forming a relatively color-developed condition by a difference in heating temperatures and/or cooling speeds after heating. The reversible thermal recording medium is characterized by that the electron-accepting compound is a specified phenolic compound, and when the reversible thermal recording medium is printed under an environment of 35°C±2°C and a relative humidity of 70-90%, the color developing density is ≥0.80 and the color erasing density is ≤0.15. COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2008292568A Image forming device and image forming method 有权
标题翻译：图像形成装置和图像形成方法
公开(公告)号：JP2008292568A
公开(公告)日：2008-12-04
申请号：JP2007135510
申请日：2007-05-22
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： OKADA NORITOMO , NAGAI KAZUKIYO , SHIMADA TOMOYUKI , FURUYA HIROMI , RI KOUKOKU , MORI SHINYA
IPC分类号： G03G21/00 , G03G5/147
摘要： PROBLEM TO BE SOLVED: To prevent occurrence of an abnormal image such as scumming, image blurring, or image deletion caused by unevenness of various characteristics of the surface of a photoreceptor.
SOLUTION: In this image forming device, a protectant at least including a long-chain alkylamide compound having a dialkylamine previously expressed by formula (1) is imparted on the surface of the photoreceptor. In the formula (1), R
1 expresses an 8-20C alkyl group; R
2 and R
3 each express a 1-6C alkyl group; and n expresses an integer ≥1.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：防止由感光体的表面的各种特性的不均匀性引起的浮动，图像模糊或图像删除等异常图像的发生。解决方案：在该图像形成装置中，至少包含具有先前由式（1）表示的二烷基胺的长链烷基酰胺化合物的保护剂赋予感光体的表面。在式（1）中，R 1表示8-20C烷基; R SP＆gt; 2＆lt; SP＆gt;和＆lt; SP＆gt; 3＆lt; / SP＆gt;各自表示1-6C烷基; n表示整数≥1。版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2008149633A Reversible heat-sensitive color-developing composition and reversible heat-sensitive recording medium using the composition 有权
标题翻译：使用组合物的可反应的热敏颜料显影组合物和可反应的热敏记录介质
公开(公告)号：JP2008149633A
公开(公告)日：2008-07-03
申请号：JP2006341731
申请日：2006-12-19
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： YAMAMOTO SATOSHI , FURUYA HIROMI , OKADA NORITOMO
IPC分类号： B41M5/337 , B41M5/333
摘要： PROBLEM TO BE SOLVED: To provide a reversible heat-sensitive composition which has high-color development/decoloring characteristics, rapid erasability, heat-resistant shelf stability, high sensitivity characteristics and also, is almost free from texture staining, hence high visibility, and a reversible heat-sensitive recording medium. SOLUTION: This reversible heat-sensitive color-developing composition is composed of an electron donating/coloring compound and an electron accepting compound and can relatively form a color developing state and a decoloring state depending on the difference in heating temperature and/or cooling rate after heating. For the electron accepting compound, a phenol compound represented by formula (1) is used and for a color development/decoloring controlling agent, a chemical compound with Zwitter ions is added. In the formula (1), "l" is an integer of 1 to 3, and "m" is an integer of 23 or above. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有高显色/脱色特性，快速擦除性，耐热储存稳定性，高灵敏度特性的可逆热敏组合物，并且几乎没有纹理染色，因此高可见度和可逆热敏记录介质。解决方案：该可逆热敏显色组合物由给电子/着色化合物和电子接受性化合物组成，并且可以根据加热温度的差异和/或相对形成显色状态和脱色状态加热后的冷却速度。对于电子接受性化合物，使用由式（1）表示的酚化合物，并且对于显色/脱色控制剂，添加具有Zwitter离子的化合物。式（1）中，“1”为1〜3的整数，“m”为23以上的整数。版权所有（C）2008，JPO＆INPIT

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