子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 181 | Charge transfer material and photosensitive material using the same | JP41536290 | 1990-12-28 | JPH04233547A | 1992-08-21 | ITO NAOTO; KARASAWA AKIO; OGUCHI TAKAHISA |
| PURPOSE: To obtain an electrophotographic sensitive material having high sensitivity and excellent resistance to plate wear and ozone resistance by incorporating a specified compsn. as a charge transfer material. CONSTITUTION: A charge transfer material expressed by formula I is incorporated into the photosensitive layer. In formula I, R 1, R 2 are independently methyl group, ethyl group, etc., R 3, R 4 are hydrogen atom, methyl group, and Y is hydrogen atom. Namely, this comspn. is a triphenylbenzene deriv. having diarylamine at 4'-position, to which R 1 is introduced as a substd. group at the 0-position of aryl group in order to improve the sensitivity and R 2 is introduced as a substd. group for the P-position in order to improve the durability. Thereby, the obtd. electrophotographic sensitive material has high sensitivity, excellent resistance to plate wear and ozone resistance, and small variation of potential in bright area and dark area. COPYRIGHT: (C)1992,JPO&Japio | ||||||
| 182 | Picture forming member containing two-color developing group bisazoperylene photoconductive substance | JP11869991 | 1991-05-23 | JPH04232960A | 1992-08-21 | KOTSUKU II ROU |
| PURPOSE: To provide a two-color developing group photoconductive compd. improve in photoconductivity and to provide a photoconductive picture forming member containing the compd. CONSTITUTION: This picture forming member contains a conductive substrate and a light forming layer containing a compd. selected from a group consisting of a compd. expressed by formula I, II and III and these mixture. (In the formula, Cp is a coupler group.). The photoconductive picture forming member exhibits an improved photosensitivity in an infrared wavelength region. COPYRIGHT: (C)1992,JPO | ||||||
| 183 | Triphendioxadine dyestuffs | JP8445291 | 1991-03-26 | JPH04224869A | 1992-08-14 | HORUSUTO IEEGAA |
| PURPOSE: To obtain dyestuffs for dyeing papers, cottons, viscose rayons and leathers to blue-green colors with good wet fastness and light fastness characteristics by condensing each specified triphendioxadine dye, halogen triazines and amines. CONSTITUTION: The triphendioxazine dyestuff of formula I [wherein R is H or a (substd.) 1-6C alkyl; R 1 is H or a substituent; T 1 and T 2 are each H, Cl, Br, a (substd.) phenyl or a (substd.) phenoxy; n is 0 or 1], one of halogenotriazines of formula II (wherein Y is F, Cl or Br; X is a separable group) and one of amines of formula III {wherein R is described above; Z is Z 1, Z 2, etc., and Z 1 is formula IV [wherein A is a (substd.) phenylene or naphthylene; C is a (substd.) phenyl or naphthyl; B is a direct bonding or a member of a bridge] and Z 2 is formula V (which is a heterocyclic ring group with 2 or more united 5-and/or 6-membered rings)}, are condensed in a specified order by equimolar amt. to prepare the object dyestuffs of formula VI (wherein R, R 1, T 1, T 2, X and Z are all descrived above). COPYRIGHT: (C)1992,JPO | ||||||
| 184 | Printing plate for electrophotomechanical process | JP26843990 | 1990-10-08 | JPH04145445A | 1992-05-19 | AKAO AKIO; KUWAKUBO SEIJI; KADOI TAKEO |
| PURPOSE: To obtain a printing plate for an electrophotomechanical process having high sensitivity and giving a high-grade printed image with no stain at the non-image area by forming a photosensitive layer contg. a specified photoconductive material in an alkali-soluble resin on a substrate with at least an electrically conductive layer. CONSTITUTION: A photosensitive layer contg. amorphous particles of 3,4,9,10- perylenetetracarboxylic dianhydride as at least one of photoconductive materials in an alkali-soluble resin is formed on a substrate with at least an electrically conductive layer. The pref. weight ratio between the 3,4,9,10- perylenetetracarboxylic dianhydride and the alkali-soluble resin is 1:2-1:6 on solid basis. COPYRIGHT: (C)1992,JPO&Japio | ||||||
| 185 | Electrophotographic sensitive body | JP13699090 | 1990-05-29 | JPH0431867A | 1992-02-04 | AKAO YUJI; TANABE MIZUE; OZAWA YOSHIYUKI; YAMADA YORINOBU |
| PURPOSE: To obtain the electrophotographic sensitive body which is usable in all of electrophotographic processes and has a sufficient spectral sensitivity in a wide wavelength region from a visible region to a near IR region by incorporating a specific squarium pigment into the photosensitive body. CONSTITUTION: The squarium pigment expressed by formula I is incorporated into the electrophotographic sensitive body. In the formula I, R1, R2 denote a hydrogen atom, halogen atom, substd. or unsubstd. aliphat. hydrocarbon group, alkoxy group, amino group, aryl group, heterocyclic group or hydroxyl group; R3 denotes a substd. or unsubstd. aliphat. hydrocarbon group, aryl group or heterocyclic group, Z1 to Z3 denote a substd. or unsubstd. cyclic residual hydrocarbon group or heterocyclic residual group. The electrophotographic sensitive body which is usable in all of the presently used electrophotographic processed and has the sufficient spectral sensitivity in the wide wavelength region from the visible region to the near IR region is obtd. in this way. COPYRIGHT: (C)1992,JPO&Japio | ||||||
| 186 | Electrophotographic sensitive body | JP2751489 | 1989-02-08 | JPH02208656A | 1990-08-20 | KAWAHARA TATSURO |
| PURPOSE: To obtain the electrophotographic sensitive body having the high sensitivity sufficient for practicable use and high durability by incorporating a specific compd. into the above-mentioned body. CONSTITUTION: This photosensitive body is constituted by providing a photosensitive layer 2a dispersed with a disazo compd. 3 in a binder 4 onto a conductive base 1. A photosensitive layer 2b formed by dispersing the diazo compd. 3 into a charge transfer medium consisting of a charge transfer material 5 and a binder is otherwise provided on the conductive base. The compd. expressed by the formula is incorporated into such photosensitive body. In the formula, Cp denotes a residual coupler group. The excellent durability and the high sensitivity are obtd. in this way and, therefore, this photosensitive body is widely usable as a PPC copying machine, etc. COPYRIGHT: (C)1990,JPO&Japio | ||||||
| 187 | Electrophotographic sensitive body | JP2674289 | 1989-02-07 | JPH02207264A | 1990-08-16 | KAWAHARA TATSURO |
| PURPOSE: To obtain an electrophotographic sensitive body having high sensitivity and high durability by incorporating a specified compd. CONSTITUTION: A compd. represented by formula I (where Cp is a residue of a coupler) is incorporated. The compd. can easily be produced by diazotizing 2-methyl-4,5-bis(4-nitrophenyl)oxazole produced from acetylbenzoin by a two-stage reaction and coupling the obtd. diazo compd. with the coupler Cp in the presence of alkali. An electrophotographic sensitive body having superior durability and high sensitivity is obtd. COPYRIGHT: (C)1990,JPO&Japio | ||||||
| 188 | Electrophotographic sensitive body | JP456488 | 1988-01-12 | JPH01180553A | 1989-07-18 | ONO HITOSHI; KATO YOSHIAKI |
| PURPOSE:To obtain an electrophotographic sensitive body high in sensitivity and durability by incorporating a specified bisazo compound in a photosensitive layer. CONSTITUTION:The photosensitive layer formed on a conductive substrate contains at least one of the bisazo pigments represented by formula I in which each of K<1> and K<2> is a coupler residue having a phenolic OH capable of coupling; and R<1> is lower alkyl, or the like, thus permitting the obtained electrophotographic sensitive body to be high in sensitivity and good in color sensitivity, especially small in light fatigue, accordingly, small in variances of sensitivity, potential acceptance, and residual potential at the time of repeated use, and high in stability and superior in durability. | ||||||
| 189 | Photosensitive body | JP33420387 | 1987-12-29 | JPH01178968A | 1989-07-17 | UEDA HIDEAKI |
| PURPOSE:To distinguish a photosensitive body in sensitivity and to enhance general electrostatic characteristics by incorporating a specified azo pigment in a photosensitive layer. CONSTITUTION:The photosensitive layer formed on a conductive supporting body contains at least one of the azo pigments represented by formula I in which each of R1 and R2 is H, halogen, optionally substituted alkyl, aralkyl, aryl, a condensed polycyclic group, or a heterocyclic group, and R1 and R2 may be formed a ring together with them, (n) is 1-4, thus permitting general electrostatic characteristics, especially, sensitivity to be enhanced. | ||||||
| 190 | JPS6248991B2 - | JP899381 | 1981-01-26 | JPS6248991B2 | 1987-10-16 | KAWAMURA KIMIHIDE; HORIGUCHI SHOJIRO |
| 191 | JPS5649954B2 - | JP1627479 | 1979-02-16 | JPS5649954B2 | 1981-11-26 | |
| 192 | Azo pigment | JP10508480 | 1980-08-01 | JPS5655456A | 1981-05-16 | KAWAMURA KIMIHIDE; HORIGUCHI SHIYOUJIROU |
| NEW MATERIAL:An azo pigment of formula I (wherein X is H or Cl; n is 1W4; R 1 and R 2 are plenylene or biphenylene which may have a halogen, methyl, methoxy, ethoxy, nitro, acetylamino or benzoyl group). USE: An azo pigment, excellent in solvent resistance, light resistance, heat resistance, coloring power, etc. PREPARATION: Said azo pigment is obtained by the coupling of a diazonium compound of an aromatic primary amine of formula X, obtained from 3-imino-1-oxo isoindolene, or 3,3'-dichloro-1-oxo isoindoline or those substituted with chlorine and an aromatic diamine, with a coupling component of formula III. COPYRIGHT: (C)1981,JPO&Japio | ||||||
| 193 | Azo pigment | JP10508380 | 1980-08-01 | JPS5649757A | 1981-05-06 | KAWAMURA KIMIHIDE; HORIGUCHI SHIYOUJIROU |
| NEW MATERIAL:A compound of formula I (wherein X is H or Cl; m is an integer of 1W4; R 1 and R 2 are phenyl or biphenyl, which may contain a halogen, methyl, methoxy, nitro, acethylamino or benzoyl group; n is 1 or 2). USE: An azo pigment, excellent in light resistance, solvent resistance, heat resistance, coloring power, etc. PREPARATION: An aromatic primary amine of formula I is reacted with a coupling component of formula III. COPYRIGHT: (C)1981,JPO&Japio | ||||||
| 194 | Iminoisoindoline pigment and production and coloring of high molecular organic material therewith | JP8342880 | 1980-06-19 | JPS5638355A | 1981-04-13 | ERUNSUTO MODERU |
| 195 | Anthraquinoneeazomethine compounds* their manufacture and method of coloring pigment of organic high molecular substance | JP10523280 | 1980-08-01 | JPS5624448A | 1981-03-09 | RIYUUTOGERU NEEFU; MAINHARUTO RORUFU; BUARUTERU MIYUURERU |
| 196 | Acidic azo dye containing thiazol coupling compound | JP4445279 | 1979-04-13 | JPS54139638A | 1979-10-30 | HAINTSU AIRINGUSUFUERUTO; GIYUNTAA HANZEN; GIYUNTAA ZEIBORUTO; GEORUKU TSUAIDORAA |
| 197 | Azo compounds | JP2146679 | 1979-02-27 | JPS54126234A | 1979-10-01 | RAINAA KITSUZENGU; BURIAN RONARUDO DEBITSUDO HOWA; UIRIAMU EDOWAADO RONGU; DEBITSUDO ROORENSU ROI RIIBESU; GUREN PIITAA UTSUDO |
| 198 | JPS5137296B2 - | JP8553974 | 1974-07-24 | JPS5137296B2 | 1976-10-14 | |
| 199 | Azosenryonoseizoho | JP8553974 | 1974-07-24 | JPS5113831A | 1976-02-03 | WATANABE KOICHI; HARADA HIROAKI |
| 200 | Compounds, compositions containing the compounds, anisotropic film, and the polarizing element | JP2009154080 | 2009-06-29 | JP5521408B2 | 2014-06-11 | 政昭 西村; 富雄 米山; 龍一 長谷川 |
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