公开(公告)号：US4365014A

公开(公告)日：1982-12-21

申请号：US79406

申请日：1979-09-27

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

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

IPC分类号： G03G5/06 ,  G03G5/14

CPC分类号： G03G5/0629

摘要： An electrophotographic photoconductor is prepared by forming a photoconductive layer containing a hydrazone compound therein on an electroconductive support member. The hydrazone compounds represented by the following general formula, are useful as photoconductive materials and as charge transport materials for use in electrophotography: ##STR1## wherein R.sub.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group, or a 2-chloroethyl group, and R.sub.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group.

摘要翻译： 通过在导电性支持体上形成含有腙化合物的感光层来制备电子照相感光体。 由以下通式表示的腙化合物可用作光电导材料和用作电子照相术的电荷传输材料：其中R1表示甲基，乙基，2-羟基乙基或2-氯乙基 基团，R 2表示甲基，乙基，苄基或苯基。

公开(公告)号：US4293628A

公开(公告)日：1981-10-06

申请号：US872679

申请日：1978-01-26

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

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

IPC分类号： C09B35/34 ,  G03G5/06

CPC分类号： C09B35/34 ,  G03G5/0681

摘要： The present invention provides disazo compounds expressed by the general formula ##STR1## [wherein A represents ##STR2## (wherein R represents alkyl radical, alkoxy radical, nitro radical, dialkylamino radical or halogen, n is 0 or an integer ranging from 1 to 3, and R may be identical or different when n is an integer of 2 or 3)]; a process for the preparation of said compounds; and photosensitive materials having a high sensitivity as well as a high flexibility which comprises a conductive support and a photosensitive layer formed thereon, said photosensitive layer containing a disazo pigment, as an effective ingredient, which is expressed by the general formula ##STR3## [wherein R' represents a member selected from the group consisting of hydrogen, ethyl radical, chloroethyl radical and hydroxyethyl radical, A' represents a member selected from the group consisting of ##STR4## (wherein X represents a member selected from the group consisting of aromatic rings such as benzene ring, naphthalene ring, etc., heterocyclic 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., heterocyclic rings such as dibenzofuran ring, etc. and their substituents, Ar.sub.2 and Ar.sub.3 represent respectively 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 respectively 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)].

摘要翻译： 本发明提供由通式 [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为0或1至3的整数）表示的双偶氮化合物 当n为2或3的整数时，R可以相同或不同）]; 一种制备所述化合物的方法; 以及具有高灵敏度的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，所述感光层含有双偶氮颜料作为有效成分，其通过通式[表示] [其中 R'表示选自氢，乙基，氯乙基和羟乙基的成员，A'表示选自下列的成员：其中X表示选自芳环的成员 苯环，萘环等杂环，吲哚环，咔唑环，苯并呋喃环等杂环及其取代基，Ar1表示选自苯环，萘环等芳香族的基团， 等等，杂环如二苯并呋喃环等及其取代基，Ar2和Ar3分别表示选自 由苯环，萘环等芳香环和它们的取代基组成的基团，R1和R3分别表示选自氢，低级烷基或苯基及其取代基的成员，R2表示选自 由低级烷基，羧基和它们的酯组成的组）]。

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。

公开(公告)号：US4247614A

公开(公告)日：1981-01-27

申请号：US95133

申请日：1979-11-16

申请人： Masafumi Ohta ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masaomi Sasaki ,  Tomiko Kawakami

发明人： Masafumi Ohta ,  Kiyoshi Sakai ,  Mitsuru Hashimoto ,  Masaomi Sasaki ,  Tomiko Kawakami

IPC分类号： C09B33/147 ,  G03G5/06

CPC分类号： G03G5/0679 ,  C09B33/147

摘要： The present invention provides an electrophotographic element which comprises some disazo pigment expressed by the general formula ##STR1## [wherein R.sub.1 represents a member selected from the group consisting of hydrogen atom, methyl radical, ethyl radical, methoxy radical, ethoxy radical, chlorine atom, bromine atom, nitro radical, dimethylamino radical, diethylamino radical and phenyl radical; A represents ##STR2## (wherein R.sub.2 represents hydrogen atom or chlorine atom) or ##STR3## and n is an interger of 1 or 2.] as effective component contained in the photosensitive layer thereof.

摘要翻译： 本发明提供了一种电子照相元件，其包含一些由通式表示的双偶氮颜料[其中R1表示选自氢原子，甲基，乙基，甲氧基，乙氧基，氯原子， 溴原子，硝基，二甲基氨基，二乙基氨基和苯基; A表示其感光层中包含的有效成分，其中R 2表示氢原子或氯原子，或者表示1和2的整数。