公开(公告)号：US6090508A

公开(公告)日：2000-07-18

申请号：US919424

申请日：1997-08-27

申请人： Kyoji Tsutsui ,  Akio Kojima ,  Masafumi Ohta ,  Ryohei Miyake

发明人： Kyoji Tsutsui ,  Akio Kojima ,  Masafumi Ohta ,  Ryohei Miyake

IPC分类号： B41M5/26 ,  B41M5/28 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/0055 ,  B41M5/25

CPC分类号： B41M5/281 ,  G11B7/00455 ,  G11B7/0052 ,  G11B7/0055 ,  Y10S428/913 ,  Y10S430/146

摘要： An optically anisotropic recording medium and a method of recording and erasing method using the recording medium are disclosed, which comprises the steps of applying heat or light to the recording medium which comprises a recording layer made of optically anisotropic organic thin-film-shaped crystals to raise the temperature of an organic material or which comprises the optically anisotropic organic thin-film-shaped crystals to a recording temperature at which the crystals are fused, performing partial changing of the crystalline state of the crystals by rapidly cooling the recording layer, thereby recording information in the recording layer; and heating the recording layer to an erasing temperature which is lower than the recording temperature, at which the crystals are not fused, but the molecules thereof can be thermally moved.

摘要翻译： 公开了一种光学各向异性记录介质和使用该记录介质的记录和擦除方法，包括以下步骤：将热或光施加到记录介质上，所述记录介质包括由光学各向异性有机薄膜状晶体制成的记录层， 将有机材料的温度升高或将光学各向异性有机薄膜状晶体的温度升高到晶体熔融的记录温度，通过快速冷却记录层来进行结晶状态的部分变化，从而记录 记录层中的信息; 并且将记录层加热到低于记录温度的擦除温度，在该温度下晶体不熔化，但其分子可以热移动。

公开(公告)号：US5185194A

公开(公告)日：1993-02-09

申请号：US500584

申请日：1990-03-28

申请人： Ryohei Miyake ,  Kyoji Tsutsui

发明人： Ryohei Miyake ,  Kyoji Tsutsui

IPC分类号： B41M5/36

CPC分类号： B41M5/363 ,  Y10S428/913 ,  Y10S430/146 ,  Y10T428/24802 ,  Y10T428/31504 ,  Y10T428/31935

摘要： A heat-mode recording medium has (i) a substrate and (ii) a recording layer formed thereon which comprises an organic compound of which crystallization direction can be thermally and reversibly controlled. This heat-mode recording medium can be prepared or initialized by at least the steps of fusing the organic compound contained in the recording layer with application of heat thereto and subsequently cooling a predetermined fused portion of the recording layer in such a fashion that the crystallization direction of the organic compound in the recording layer is oriented in a predetermined direction.

摘要翻译： 热模式记录介质具有（i）基板和（ii）形成在其上的记录层，其包括可以热可逆地控制结晶方向的有机化合物。 该热模式记录介质可以通过至少将包含在记录层中的有机化合物与施加热量相结合的步骤进行制备或初始化，随后以使结晶方向 的记录层中的有机化合物沿预定方向取向。

公开(公告)号：US4314016A

公开(公告)日：1982-02-02

申请号：US158436

申请日：1980-06-11

申请人： Masafumi Ohta ,  Mitsuru Hashimoto ,  Kyoji Tsutsui

发明人： Masafumi Ohta ,  Mitsuru Hashimoto ,  Kyoji Tsutsui

IPC分类号： G03G5/06

CPC分类号： G03G5/0679

摘要： An electrophotographic element utilizing as a charge generation material a disazo pigment having the following general formula: ##STR1## where R.sup.1 is hydrogen, chlorine, bromine, methyl, ethyl, methoxy, ethoxy, nitro, dimethylamino, diethylamino or phenyl; m and n are each an integer such as 1 or 2; and R.sup.2 is hydrogen or chlorine.

摘要翻译： 使用具有以下通式的双偶氮颜料作为电荷产生材料的电摄像元件：其中R 1是氢，氯，溴，甲基，乙基，甲氧基，乙氧基，硝基，二甲基氨基，二乙基氨基或苯基; m和n各自为1或2的整数; R2是氢或氯。

公开(公告)号：US4299896A

公开(公告)日：1981-11-10

申请号：US925157

申请日：1978-07-17

申请人： Mitsuru Hashimoto ,  Kiyoshi Sakai ,  Masafumi Ohta ,  Akio Kozima ,  Masaomi Sasaki ,  Kyoji Tsutsui

发明人： Mitsuru Hashimoto ,  Kiyoshi Sakai ,  Masafumi Ohta ,  Akio Kozima ,  Masaomi Sasaki ,  Kyoji Tsutsui

IPC分类号： C09B35/02 ,  G03G5/06

CPC分类号： G03G5/0679 ,  C09B35/02 ,  G03G5/0681 ,  G03G5/0683

摘要： The present invention provides electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing one disazo pigment, as an effective ingredient, which is selected from the group consisting of disazo pigments expressed by the following general formulas I, II, III, and IV, ##STR1##

摘要翻译： 本发明提供具有高灵敏度和高柔性的电子照相感光材料，其包含导电性支持体和形成在其上的感光层，所述感光层含有一种双偶氮颜料作为有效成分，其选自： 通式I：II，III和IV表示的双偶氮颜料，通用化学式Ⅰ：

公开(公告)号：US4251614A

公开(公告)日：1981-02-17

申请号：US921086

申请日：1978-06-30

申请人： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

发明人： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

IPC分类号： C09B35/34 ,  G03G5/06

CPC分类号： C09B35/34 ,  G03G5/0683 ,  G03G5/0685

摘要： The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 represent a member selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 represents a member selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)]; a process for the preparation of said compounds; and electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing said disazo compound as an effective ingredient.

摘要翻译： 本发明提供由以下通式表示的双偶氮化合物：其中A表示选自下列的成员：其中X表示选自以下的成员：芳环如 苯环，萘环等杂环，吲哚环，咔唑环，苯并呋喃环等杂原子及其取代基，Ar 1表示选自苯环，萘环等芳香环的成员 ，诸如二苯并呋喃环等杂环及其取代基，Ar2和Ar3表示选自芳环如苯环，萘环等的基团及其取代基，R 1和R 3表示选自 由氢，低级烷基或苯基组成的组和它们的取代基，R 2表示选自低级烷基，羧基和 酯）]; 一种制备所述化合物的方法; 和具有高灵敏度的电子照相感光材料以及包含导电性支持体和形成在其上的感光层的高柔性，所述感光层含有所述双偶氮化合物作为有效成分。

公开(公告)号：US4327020A

公开(公告)日：1982-04-27

申请号：US158455

申请日：1980-06-11

申请人： Masaomi Sasaki ,  Masafumi Ohta ,  Kyoji Tsutsui

发明人： Masaomi Sasaki ,  Masafumi Ohta ,  Kyoji Tsutsui

IPC分类号： C09B35/033 ,  C09B35/039 ,  C09B35/205 ,  C09B35/215 ,  C09B41/00 ,  G03G5/06 ,  C07C107/04 ,  C07C107/08 ,  C09B35/03

CPC分类号： C09B35/215 ,  C09B35/039 ,  C09B41/002 ,  G03G5/0683

摘要： Bis-azo compounds represented by the general formula ##STR1## where A represents ##STR2## wherein R represents alkyl, alkoxy, nitro, dialkylamino or halogen, and n represents an integer 0, 1, 2 or 3 and when n is 2 or 3, R represents identical or different substituents selected from the group of alkyl, alkoxy, nitro, dialkylamino and halogen.

摘要翻译： 其中A表示其中R表示烷基，烷氧基，硝基，二烷基氨基或卤素，n表示整数0,1,2或3，当n为2或3时， R表示相同或不同的选自烷基，烷氧基，硝基，二烷基氨基和卤素的取代基。

公开(公告)号：US4293492A

公开(公告)日：1981-10-06

申请号：US152061

申请日：1980-05-20

申请人： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

发明人： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

IPC分类号： C09B35/34 ,  G03G5/06 ,  C09B35/24

CPC分类号： C09B35/34 ,  G03G5/0683 ,  G03G5/0685

摘要： The present invention provides disazo compounds expressed by the general formula: ##STR1## [wherein A represents a member selected from the group consisting of ##STR2## (wherein X represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 represent a member selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 represents a member selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)]; a process for the preparation of said compounds; and electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing said disazo compound as an effective ingredient.

摘要翻译： 本发明提供由以下通式表示的双偶氮化合物：其中A表示选自下列的成员：其中X表示选自以下的成员：芳环如 苯环，萘环等杂环，吲哚环，咔唑环，苯并呋喃环等杂原子及其取代基，Ar 1表示选自苯环，萘环等芳香环的成员 ，诸如二苯并呋喃环等杂环及其取代基，Ar2和Ar3表示选自芳环如苯环，萘环等的基团及其取代基，R 1和R 3表示选自 由氢，低级烷基或苯基组成的组和它们的取代基，R 2表示选自低级烷基，羧基和 酯）]; 一种制备所述化合物的方法; 和具有高灵敏度的电子照相感光材料以及包含导电性支持体和形成在其上的感光层的高柔性，所述感光层含有所述双偶氮化合物作为有效成分。

公开(公告)号：US4314015A

公开(公告)日：1982-02-02

申请号：US218382

申请日：1980-12-19

申请人： Mitsuru Hashimoto ,  Kiyoshi Sakai ,  Masafumi Ohta ,  Akio Kozima ,  Masaomi Sasaki ,  Kyoji Tsutsui

发明人： Mitsuru Hashimoto ,  Kiyoshi Sakai ,  Masafumi Ohta ,  Akio Kozima ,  Masaomi Sasaki ,  Kyoji Tsutsui

IPC分类号： C09B35/02 ,  C09B35/039 ,  G03G5/06

CPC分类号： G03G5/0679 ,  C09B35/02 ,  C09B35/039 ,  G03G5/0681 ,  G03G5/0683

摘要： The present invention provides electrophotographic sensitive materials having a high sensitivity as well as a high flexibility which comprise a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing one disazo pigment, as an effective ingredient, which is selected from the group consisting of disazo pigments expressed by the following general formulas I, II, III, and IV, ##STR1## [(wherein A is selected from the group consisting of ##STR2## is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as indole ring, carbazole ring, benzofuran ring, etc. and their substituents, Ar.sub.1 is selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., hetero rings such as dibenzofuran, etc. and their substituents, Ar.sub.2 and Ar.sub.3 are selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc. and their substituents, R.sub.1 and R.sub.3 are selected from the group consisting of hydrogen, lower alkyl radical or phenyl radical and their substituents and R.sub.2 is selected from the group consisting of lower alkyl radical, carboxyl radical and their esters)].

摘要翻译： 本发明提供具有高灵敏度和高柔性的电子照相感光材料，其包含导电性支持体和形成在其上的感光层，所述感光层含有一种双偶氮颜料作为有效成分，其选自： 通式I表示的双偶氮颜料：通式I：通式II：通用化学式III：通式IV：其中A为 选自（其中X选自芳环如苯环，萘环等，杂环如吲哚环，咔唑环，苯并呋喃环等及其取代基 Ar1选自苯环，萘环等芳香环，二苯并呋喃等杂环及其取代基，Ar2和Ar3选自 由芳环如苯环，萘环等及其取代基组成的组，R 1和R 3选自氢，低级烷基或苯基及其取代基，R 2选自 低级烷基，羧基及其酯）]。

公开(公告)号：US4596754A

公开(公告)日：1986-06-24

申请号：US726363

申请日：1985-04-23

申请人： Kyoji Tsutsui ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

发明人： Kyoji Tsutsui ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Masaomi Sasaki

IPC分类号： C09B35/021 ,  G03G5/047 ,  G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0685 ,  C09B35/021 ,  G03G5/047 ,  G03G5/0679 ,  G03G5/0681 ,  G03G5/0683

摘要： An electrophotographic printing original plate is disclosed, which comprises an electroconductive support material and an electrophotographic photosensitive layer formed thereon, which electrophotographic photosensitive layer comprises (i) a charge generation layer consisting essentially of a particular azo pigment serving as a charge generating material and (ii) a charge transport layer consisting essentially of a charge transporting material and an alkali-soluble resin; and an electrophotographic printing plate making process using the above printing original plate is also disclosed, which comprises the steps of electrically charging uniformly the above printing original plate, exposing the charged printing original plate to optical images to form latent electrostatic images thereon, developing the latent electrostatic images with toner, fixing the toner images to the printing original plate, and removing the electrophotographic photosensitive layer portions corresponding to the non-image areas of the printing original plate by dissolving the photosensitive layer portions in a dissolving liquid, thereby making a printing plate.

摘要翻译： 公开了一种电子照相印刷原版，其包括导电支撑材料和形成在其上的电子照相感光层，该电子照相感光层包含（i）基本上由用作电荷产生材料的特定偶氮颜料组成的电荷产生层和（ii ）电荷传输层，其主要由电荷输送材料和碱溶性树脂组成; 并且还公开了使用上述印刷原版的电子照相印版制作方法，其包括以下步骤：均匀地对上述印刷原版进行充电，将带电印刷原版曝光于光学图像上以在其上形成静电图像， 用调色剂静电图像，将调色剂图像固定到印刷原版上，并通过将感光层部分溶解在溶解液中来除去与印刷原版的非图像区域对应的电照相感光层部分，从而制成印版 。

公开(公告)号：US4260672A

公开(公告)日：1981-04-07

申请号：US922526

申请日：1978-07-07

申请人： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

发明人： Masaomi Sasaki ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masafumi Ohta ,  Kyoji Tsutsui

IPC分类号： C09B35/08 ,  C09B35/205 ,  C09B56/06 ,  G03G5/06 ,  H01L51/42

CPC分类号： G03G5/0683 ,  C09B56/06 ,  Y02E10/549

摘要： The present invention provides an electrophotographic element of a high sensitivity and a high flexibility comprising an electroconductive support and a photosensitive layer provided thereon and containing as an effective ingredient therein a disazo compound represented by the following general formula: ##STR1## wherein A is a radical selected from the group consisting of: ##STR2## in which X represents a ring selected from the group consisting of aromatic rings such as benzene ring and naphthalene ring, hetero rings such as indole ring, carbazole ring and benzofuran ring, and substituted derivatives thereof; Ar.sub.1 represents a radical selected from the group consisting of aromatic rings such as benzene ring and naphthalene ring, hetero rings such as dibenzofuran ring and substituted derivatives thereof; Ar.sub.2 and Ar.sub.3 represent radicals respectively selected from the group consisting of aromatic rings such as benzene ring and naphthalene ring, and substituted derivatives thereof; R.sub.1 and R.sub.3 represent radicals respectively selected from the group consisting of hydrogen atom, lower alkyl radicals and phenyl radical and substituted derivatives thereof; and R.sub.2 represents a radical selected from the group consisting of lower alkyl radicals, and carboxyl radical and esters thereof.

摘要翻译： 本发明提供了一种具有高灵敏度和高柔性的电子照相元件，其包含导电载体和其上提供的感光层，并在其中含有由以下通式表示的双偶氮化合物作为有效成分：其中A是基团 其选自由以下组成的组： + TR ，其中X表示选自芳环如苯环和萘环，杂环如吲哚环，咔唑环和苯并呋喃环的环， 及其取代衍生物; Ar 1表示选自苯环，萘环等芳环的基团，二苯并呋喃环等杂环及其取代衍生物; Ar 2和Ar 3表示分别选自芳环如苯环和萘环的基团及其取代衍生物; R1和R3表示分别选自氢原子，低级烷基和苯基及其取代衍生物的基团; 并且R 2表示选自低级烷基和羧基的基团及其酯。