序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
221 Photogenerating azo pigment JP8473393 1993-04-12 JPH0641451A 1994-02-15 KOTSUKU II ROU; IHOO DABURIYUU TAANAUSUKII
PURPOSE: To prepare a non-toxic photogenerating azo pigment producing a picture-forming material having a high cycle stability, a high sensitivity, a low dark-attenuation and an excellent all-colority in an economic process by coupling an aromatic amine with a specified methoxy coupler. CONSTITUTION: A photogenerating azo pigment of formula II (wherein A is a residue structure of an aromatic amine; (p) is a positive integer, and (m) is an integer of from about 0 to 4; (x) is an organic or inorganic substituent) is prepared by coupling an aromatic amine with a methoxy coupler of formula I wherein X is F, Cl, Br, NO 2, CN, OH, NH 2, OCH 3, OCH 2CH 3, CF 3 an alkyl or an aromatic group; (m) is 0, 1, 2, 3 or 4; the methoxy group is located at fifth, sixth, seventh or eighth carbon atom of the second ring of naphthanilido. COPYRIGHT: (C)1994,JPO
222 JPH0549983B2 - JP26843990 1990-10-08 JPH0549983B2 1993-07-27 AKAO AKIO; KUWAKUBO SEIJI; KADOI TAKEO
223 Bisazo derivative and its intermediate JP23839091 1991-09-18 JPH0578363A 1993-03-30 MIZUTA YASUSHI
PURPOSE:To provide a new compound useful as an electric charge-generating material excellent in electric charge-generating efficiency. CONSTITUTION:The objective compound of formula I (R<1> and R<2> are each H or lower alkyl; Cp<1> and Cp<2> are each coupler residue). This compound can be obtained by reaction of a diazo compound of formula II (R<3> and R<4> are each halogen or BF4) with a coupler in a solvent (e.g. dimethylformamide) in the presence of a base (e.g. sodium acetate) at ca.20 deg.C for 3-10hr. The compound, when used as an electric charge-generating material, is highly sensitive in the visible ray region, thus providing high-performance electronic devices; furthermore, because of being easy to handle in terms of synthesis and high in the solubility to solvents, the compound can be used easily, being also usable for coloring pigments, organic photosensitizers, solar cells, or electronic devices such as photoelectric transfer elements and optical information memorizing elements.
224 Bisazo derivative and its intermediate JP23839491 1991-09-18 JPH0578361A 1993-03-30 MIZUTA YASUSHI; MIYAMOTO EIICHI
PURPOSE:To provide a novel compound useful 0as an electric charge-generating material excellent in electric charge-generating efficiency. CONSTITUTION:The objective compound of formula I (R<1> and R<2> are each 0 or S; R<3> and R<4> are each H, alkyl or aryl; (m) and (n) are each 0-2; Cp<1> and Cp<2> are each coupler residue). The present compound can be obtained by reaction of a diazo compound of formula II (R<5> and R<6> are each halogen or BF4) with a coupler in a solvent (e.g. dimethylformamide) in the presence of a base (e.g. sodium hydroxide) at ca.20 deg.C for 3-5hr. The present compound, when used as an electric charge-generating material, is highly sensitive in the visible ray region, thus providing high-performance devices; and being also usable for coloring pigments, organic photosensitizers, solar cells, photoelectric transfer elements, optical information memorizing elements, etc.
225 JPH0515263B2 - JP13817386 1986-06-16 JPH0515263B2 1993-03-01 AKASAKI YUTAKA; TOKIDA AKIHIKO; TORIGOE KAORU; IMAI AKIRA; ISHII TOORU
226 Triphendioxazine dyestuff JP13175291 1991-04-18 JPH04227662A 1992-08-17 HORUSUTO IEEGAA
PURPOSE: To obtain a novel triphendioxazine dyestuff useful for dyeing and printing a cellulose-containing and amide-containing substances by selecting a specific triphendioxazine dyestuff. CONSTITUTION: The dyestuffs represented by formula I [wherein R is H or (substd.) 1-6C alkyl, R 1 is H or a substituent, T 1 and T 2 are H, Cl, Br, (substd.) 1-4C alkyl, (substd.) 1-4C alkoxy, (substd.) phenyl or (substd.) phenoxy, Y is (substd.) amino, (thio) ether, H, (substd.) lower alkyl or (substd.) phenyl, n is 0-1 and a sulfo group wherein n is 1 is present at an ortho position with respect to groups represented by formulae II-III] are selected. These dyestuffs are pref. obtained by reacting a compd. represented by formula V (Hal is F, Cl or Br) and a compd. represented by formula H-X [X 1 is (substd.) amino or (thio) ether] with a compd. represented by formula IV. COPYRIGHT: (C)1992,JPO
227 JPH0326383B2 - JP4302582 1982-03-19 JPH0326383B2 1991-04-10 FURITSUTSU GURAASAA; GEERUHARUTO HOFUMAN; RAINHORUTO IYOTSUTO REIRAA; PEETAA NOIMAN; MANFUREETO PACHI
228 Preparation of 4-chlorothiazolyl-containing azo disperse dye JP23589689 1989-09-13 JPH02242859A 1990-09-27 ROBERUTO EGURI
PURPOSE: To obtain a 4-chlorothiazolyl-containing azo disperse dye useful in dyeing polyester fibers and wool by diazotizing a specified amine and coupling the product with a specified compound. CONSTITUTION: An amine represented by formula I {wherein R is -CHO, -CH= C(CN)-R 1, [wherein R 1 is a (substituted) 1-10C alkoxycarbonyl or the like], -CN, -CH=CH-R 2 [wherein R 2 is a (substituted) phenyl or benzoyl], -CH=NOH, -CH=C(R 3)NO 2 (wherein R 3 is H, methyl or ethyl); and m is 0 or 1} is diazotized, and the product is coupled with a compound represented by the formula: H-K (wherein K is a group of a coupling component in the series of aniline, α-naphthylamine, pyrazole, aminopyrazole, indole, tetrahydroquinoline, thiazole, phenol, naphthol, pyridine and pyridone) to obtain the purpose compound represented by formula II. COPYRIGHT: (C)1990,JPO
229 Electrophotographic sensitive body JP3112789 1989-02-13 JPH02211454A 1990-08-22 KAWAHARA TATSURO
PURPOSE: To improve the sensitivity and durability of the photosensitive body by using a specific compd. as a photoconductive material. CONSTITUTION: The dis-azo compd. expressed by formula I is used as the photoconductive material of this photosensitive body. In the formula, Cp denotes a residual coupler group and the groups expressed by formulas II, III, etc., are preferably used for Cp. In the formula, X denotes a (substd.) hydrocarbon ring, heterocycle; Y denotes H, -CON(-R 1)-R 2, etc.; R 1 to R 3 denote H, (substd.) hydrocarbon group, etc. The photosensitive body is formed by applying a dispersion contg. the compd. expressed by the formula and a phenoxy resin on a conductive substrate to form a charge generating layer and applying a soln. contg. a charge transfer material and polycarbonate thereon to form a charge transfer layer. COPYRIGHT: (C)1990,JPO&Japio
230 Electrophotographic sensitive body JP3112689 1989-02-13 JPH02211453A 1990-08-22 KAWAHARA TATSURO
PURPOSE: To improve the sensitivity and durability of the photosensitive body by incorporating a specific dis-azo compd. into a photosensitive layer. CONSTITUTION: The dis-azo compd. expressed by formula I is incorporated as a photoconductive material into this photosensitive body. In the formula, Cp denotes a residual coupler group and the groups expressed by formulas II, III, etc., are preferably used for Cp. In the formula, X denotes a (substd.) hydrocarbon ring, heterocycle; Y denotes H, -CON(-R 1)-R 2, etc.; R 1 to R 3 denote H, (substd.) hydrocarbon group, etc. The photosensitive body is formed by applying a dispersion contg. the compd. expressed by the formula and a polyester resin on, for example, a polyester film deposited by evaporation with aluminum. COPYRIGHT: (C)1990,JPO&Japio
231 Electrophotographic sensitive body JP2993089 1989-02-10 JPH02210454A 1990-08-21 KAWAHARA TATSURO
PURPOSE: To obtain such high sensitivity and durability as to make a sensitive body withstand practical use by incorporating a specified compd. CONSTITUTION: A compd. represented by formula I (where Cp is a residue of a coupler) is incorporated. For example, a photosensitive layer 2a contg. the disazo compd. 3 dispersed in a binder 4 is formed on an electrically conductive support 1 or a photosensitive layer 2b contg. the disazo compd. 3 dispersed in an electric charge transferring medium consisting of an electric charge transferring material 5 and a binder is formed on the support 1. The durability of the resulting sensitive body is improved and high sensitivity can be obtd. COPYRIGHT: (C)1990,JPO&Japio
232 Electrophotographic sensitive body JP2674089 1989-02-07 JPH02207266A 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 allowing m-nitrobenzaldehyde to react with dithiooxamide in N,N-dimethylacetamide under heating and refluxing, diazotizing produced 2,5-bis(3-nitrophenyl) thiazolo[4,5-d]thiazole 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
233 JPH0224863B2 - JP15394480 1980-11-04 JPH0224863B2 1990-05-30 BENNETSUTO JOOJI PUERU
234 Thienone compound JP12079588 1988-05-19 JPS63305171A 1988-12-13 GIYUNTAA HANZEN; YOHANESU PEETAA DEITSUKUSU; HERUMUUTO RAIHERUTO; MASAHIRO HAYASHI
235 JPS633909B2 - JP4445279 1979-04-13 JPS633909B2 1988-01-26 HAINTSU AIRINGUSUFUERUTO; GYUNTAA HANZEN; GYUNTAA ZEIBORUTO; GEORUKU TSUAIDORAA
236 Electrophotographic sensitive body JP13817386 1986-06-16 JPS62295060A 1987-12-22 AKASAKI YUTAKA; TOKIDA AKIHIKO; TORIGOE KAORU; IMAI AKIRA; ISHII TORU
PURPOSE:To enhance sensitivity and durability by incorporating a bisazo compound having a specified type in a photosensitive layer formed on a conductive substrate. CONSTITUTION:The photosensitive layer formed on the conductive substrate contains one of the bisazo compounds represented by formula I in which A is a divalent aromatic hydrocarbon group or divalent heterocyclic group containing N in the ring; X is H or halogen; Cp is a group selected from formulae 1-4; Y is an optionally substituted aromatic carbon ring or the like; Z is optionally substituted carbamoyl or the like; R1 is H, optionally substituted alkyl, or the like; R2 is optionally substituted aryl or the like; and R3 is an optionally substituted aryl, heterocyclic group, or the like, thus permitting the obtained electrophotographic sensitive body to be superior in the pints of sensitivity and durability as compared with the ones using conventional organic photoconductors.
237 JPS6248992B2 - JP899481 1981-01-26 JPS6248992B2 1987-10-16 KAWAMURA KIMIHIDE; HORIGUCHI SHOJIRO
238 Method of coloring novel transition metal complex and high polymer organic material JP13065185 1985-06-15 JPS6112756A 1986-01-21 GEORUGU CHIEE; PAURU RIINHARUTO
239 Recording material for electronic photograph and its manufacture JP4302582 1982-03-19 JPS57176046A 1982-10-29 FURITSUTSU GURAASAA; GEERUHARUTO HOFUMAN; RAINHORUTO IYOTSUTO REIRAA; PEETAA NOIMAN; MANFUREETO PACHI
240 Coloring method of organic material JP899481 1981-01-26 JPS57123261A 1982-07-31 KAWAMURA KIMIHIDE; HORIGUCHI SHIYOUJIROU
NEW MATERIAL:Compounds of the formula wherein R 1 is a benzene or naphthalene ring having a hydroxyl group; R 2 is an arom. amine residue. USE: Dyes which dye org. materials, particularly hydrophobic synthetic fibers such as polyester fibers blueWyellowWreddish brown and give dyed materials with good resistance to light and sublimation and fastness. They exhibit good dyeing properties in both high-temperature dyeing and carrier dyeing. PREPARATION: 3,3-Dimethoxy-4,5,6,7-tetrachloroisoindoline-1-one, 3-imino-4,5,6,7- tetrachloroisoindoline-1-one or 3,3,4,5,6,7-hexachloroisoindoline-1-one is reacted with an aminonaphthol or an aminophenol in a molar ratio of 1:1. The resulting coupling component is coupled with a diazo compd. derived from an arom. prim. amine. COPYRIGHT: (C)1982,JPO&Japio
QQ群二维码
意见反馈