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 |
|---|---|---|---|---|---|---|
| 101 | Dyes for use in thermal dye transfer | US245001 | 1994-05-18 | US5476935A | 1995-12-19 | Luc Vanmaele; Hans Junek; Renate Dworczak |
| Dye-donor element for use according to thermal dye transfer comprising least one dye corresponding to the general formula (I): ##STR1## wherein Z is --CN, --COOR.sup.1 or --CONR.sup.2 R.sup.3 ; R.sup.1 is --H, (cyclo)alkyl, or aryl; R.sup.2 and R.sup.3 is --H, (cyclo)alkyl, aryl, or R.sup.2 and R.sup.3 together represent the atoms necessary to complete a heterocyclic nucleus; R.sup.4 and R.sup.5 is --H, (cyclo)alkyl, aryl, a heterocyclic ring, SO.sub.2 R.sup.8, COR.sup.8, CSR.sup.8, POR.sup.8 R.sup.9, OR.sup.6, NR.sup.6 R.sup.7, SR.sup.6, or R.sup.4 and R.sup.5 together represent the atoms necessary to complete a aliphatic ring, a heterocyclic ring including a heterocyclic ring carrying a fused-on aliphatic or aromatic ring; R.sup.6 and R.sup.7 is (cyclo)alkyl, aryl, alkenyl, aralkyl, aryl, a heterocyclic group, or R.sup.6 and R.sup.7 together represent the atoms necessary to complete a 5- or 6-membered ring; R.sup.8 and R.sup.9 is (cyclo)alkyl, aryl, alkenyl, aryl, a heterocyclic group, alkyloxy, aryloxy group, alkylthio, arylthio, amino, a heterocyclic group, or R.sup.8 and R.sup.9 together represent the atoms necessary to complete a 5- or 6-membered ring; and X represents a substituted nitrogen atom or a substituted carbon atom. | ||||||
| 102 | Dyes and dye-donor elements for use in thermal dye transfer | US35033 | 1993-03-22 | US5324601A | 1994-06-28 | Luc Vanmaele; Hans Junek; Renate Dworczak |
| Dye-donor element for use according to thermal dye transfer comprising at least one dye corresponding to the general formula (I): ##STR1## wherein Z is --CN, --COOR.sup.1 or --CONR.sup.2 R.sup.3 ; R.sup.1 is --H, (cyclo) alkyl, or aryl; R.sup.2 and R.sup.3 is --H, (cyclo)alkyl, aryl, or R.sup.2 and R.sup.3 together represent the atoms necessary to complete a heterocyclic nucleus; R.sup.4 and R.sup.5 is --H, (cyclo)alkyl, aryl, a heterocyclic ring, SO.sub.2 R.sup.8, COR.sup.8, CSR.sup.8, POR.sup.8 R.sup.9, OR.sup.6, NR.sup.6 R.sup.7, SR.sup.6, or R.sup.4 and R.sup.5 together represent the atoms necessary to complete a aliphatic ring, a heterocyclic ring including a heterocyclic ring carrying a fused-on aliphatic or aromatic ring; R.sup.6 and R.sup.7 is (cyclo)alkyl, aryl, alkenyl, aralkyl, aryl, a heterocyclic group, or R.sup.6 and R.sup.7 together represent the atoms necessary to complete a 5- or 6-membered ring; R.sup.8 and R.sup.9 is (cyclo)alkyl, aryl, alkenyl, aryl, a heterocyclic group, alkyloxy, aryloxy group, alkylthio, arylthio, amino, a heterocyclic group, or R.sup.8 and R.sup.9 together represent the atoms necessary to complete a 5- or 6-membered ring; and X represents a substituted nitrogen atom or a substituted carbon atom. | ||||||
| 103 | Photoconductor for electrophotography | US915655 | 1992-07-21 | US5252416A | 1993-10-12 | Masami Kuroda; Masayo Amano; Noboru Furusho |
| A photoconductor for electrophotography, including an electroconductive substrate; and a photosensitive layer formed on the electroconductive substrate including a charge generating substance and a charge transporting substance which is at least one compound represented by general formula (II): ##STR1## wherein each of R.sub.9, R.sub.10, R.sub.11 and R.sub.12 is selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group and an aryl group, and each of R.sub.13, R.sub.14, R.sub.15 and R.sub.16 is selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, and a substituted or unsubstituted aryl group and heterocyclic group. | ||||||
| 104 | Metal complex pigments of azines | US824760 | 1992-01-17 | US5194626A | 1993-03-16 | Meinhard Rolf; Bernd Kaletta |
| Metal complexes of azines of the formula ##STR1## in which X denotes hydrogen or halogen,R denotes hydrogen or an organic radical,R.sub.1 denotes hydrogen or an organic radical,R.sub.2 denotes an organic radical, in which R.sub.1 and R.sub.2 together with the C atom linking them can also form a carbocyclic or heterocyclic ring or a carbocyclic or heterocyclic ring system in which the rings and ring systems mentioned can also be substituted, and one of the radicals R.sub.1, R.sub.2 or R.sub.1 and R.sub.2 together contain a group capable of forming a metal salt, and processes for pigmenting using these metal complexes. | ||||||
| 105 | Electrophotographic recording material having a julolidine hydrazone compound | US674177 | 1991-03-25 | US5128227A | 1992-07-07 | Marcel J. Monbaliu; David R. Terrell; Stefaan K. De Meutter; Paul R. Callant |
| An electrophotographic recording material which comprises an electrically conductive support having thereon a photoconductive layer containing one or more p-type photoconductive charge transport substances, characterized in that at least one of the p-type charge transport substances is a hydrazone compound corresponding to a general formula (I) to (V) as defined in the description, and the use of a said hydrazone compound in the charge transporting layer of a bilayer-system photoconductive material comprising a charge generating layer in contiguous relationship with said charge transporting layer. | ||||||
| 106 | Film comprising unimolecular layers | US219335 | 1988-07-14 | US4970120A | 1990-11-13 | Andre Laschewsky; Helmut Ringsdorf; Werner Interthal; Donald Lupo; Werner Prass; Ude Sheunemann |
| Film comprising at least one unimolecular layer. A film for use in nonlinear optics comprises at least one Langmuir-Blodgett layer, the layer containing or comprising a dye of the formula ##STR1## in which R.sup.1 denotes a long-chain alkoxy, acyloxy, alkylamino or acylamino group. In particular when the film contains alternating layers of unsaturated amphiphilic compounds, it produces a stable multilayer having good monlinear optical properties and is suitable, for example, for electrooptical switches, diode laser frequency amplifiers or optical parametric amplifiers.Besides the dye indicated, the unimolecular layer can additionally contain at least one second amphiphilic compound. In this case, the unimolecular layer comprises amphiphilic compounds. | ||||||
| 107 | Photoconductor comprising charge transporting hydrazone compounds | US281029 | 1988-12-07 | US4956277A | 1990-09-11 | Masami Kuroda; Youichi Nakamura; Noboru Furusho |
| An electrophotographic photosensitive material includes a photosensitive layer containing a charge transporting substance comprising a novel hydrazone compound or derivative. A hydrazone compound is represented by the following general formula: ##STR1## wherein R.sub.1 stands for an aryl group which may have a substituent(s); each of R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 stands for a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, a hydroxy group, a nitro group, an allyl group, an aryl group, or an aralkyl group, both of which aryl group and aralkyl group may have a substituent(s); and n stands for an integer of 0 or 1. | ||||||
| 108 | Photographic products employing novel nondiffusible hydrazone dye-releasing compounds | US669144 | 1984-11-07 | US4548888A | 1985-10-22 | Michael W. Crawley |
| Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible hydrazone compound capable of releasing at least one diffusible yellow dye or dye precursor thereof having the formula: ##STR1## wherein: (a) Z.sup.1 and Z.sup.2 each independently represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic ring;(b) CAR represents a ballasted carrier moiety capable of releasing the diffusible yellow dye moiety or precursor thereof as a function of development;(c) R represents hydrogen, an alkyl or substituted alkyl group of from 1 to about 12 carbon atoms, an aryl or substituted aryl group of from about 6 to about 12 carbon atoms, a substituted or unsubstituted 5- or 6-membered aromatic heterocyclic ring, or CAR, and(d) n is 0, 1 or 2, with the proviso that when n is 0, then R is CAR. | ||||||
| 109 | Process for the preparation of metal complexes of isoindolinazines | US417748 | 1982-09-13 | US4474952A | 1984-10-02 | Abul Iqbal |
| Process for the preparation of 1:1 metal complexes of azines of the formula ##STR1## in which R.sub.1 is an H atom or an alkyl or aryl group, R.sub.2 is an isocyclic or heterocyclic radical with a hydroxyl or mercapto group adjacent to the azomethine group, Y' is the radical of a methylene-active compound or of an aryl-or heteroaryl-amine and the ring A can have substituents which do not confer solubility in water, which comprises heating a hydrazone of the formula ##STR2## with an isoindolinone of the formula ##STR3## in which R.sub.1, R.sub.2, A and Y' are as defined, in the presence of a metal donor, in a polar organic solvent. | ||||||
| 110 | Multilayer electrophotographic element containing a trisazo charge carrier generating substance and a hydrazone charge carrier transfer substance | US379686 | 1982-05-19 | US4436800A | 1984-03-13 | Masafumi Ohta; Kiyoshi Sakai |
| An electrophotographic element comprising an electrically conductive substrate, a charge carrier generating layer and a charge transfer layer superimposed on said substrate, wherein said charge carrier generating layer contains a trisazo compound having the general formula (I): ##STR1## (wherein, Ar.sup.1 represents a substituted or unsubstituted phenyl radicalandsaid charge transfer layer contains a hydrazone compound having the general formula (II), (III), (IV), or (V): ##STR2## (wherein, R.sup.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group or a 2-chloroethyl group, R.sup.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group, and R.sup.3 represents hydrogen, chlorine, an alkyl group having 1 to 4 carbon atoms, an alkoxyl group having 1 to 4 carbon atoms, a dialkylamino group or a nitro group.), ##STR3## (wherein, Ar.sup.2 represents a naphthalene ring, an anthracene ring, a styryl group and their substituents, or a pyridine ring, a furan ring or a thiophene ring, and R.sup.4 represents an alkyl group or a benzyl group.), ##STR4## (wherein, R.sup.5, R.sup.6, R.sup.7 and R.sup.8 each represents hydrogen, an alkyl group having 1 to 3 carbon atoms, an alkoxyl group having 1 to 3 carbon atoms, a dialkyl group or a dibenzylamino group, and R.sup.9 represents an alkyl group or a benzyl group.), ##STR5## (wherein, R.sup.10, R.sup.11, R.sup.12 and R.sup.13 each represents hydrogen, an alkyl group having 1 to 3 carbon atoms, an alkoxyl group having 1 to 3 carbon atoms, a substituted or non-substituted dialkylamino group, a dibenzylamino group or a halogen atom.), and a binder. | ||||||
| 111 | Layered organic electrophotographic photoconductor element comprising bisazo generating and hydrazone transport layers | US325900 | 1981-11-30 | US4400455A | 1983-08-23 | Mitsuru Hashimoto; Kiyoshi Sakai; Katsunari Ohta; Akio Kojima |
| A layered electrophotographic photoconductor whose charge generation layer comprises a bisazo pigment selected from the group consisting of the bisazo pigments represented by the following general formula (1) and whose charge transport layer contains a charge transport material selected from the group consisting of the hydrazone compounds represented by the following general formula (2): ##STR1## wherein A represents --C.sub.6 H.sub.4 --Cl(o), --C.sub.6 H.sub.4 --Cl(m), --C.sub.6 H.sub.4 --Br(o), --C.sub.6 H.sub.4 --Br(m), --C.sub.6 H.sub.4 --F(o), --C.sub.6 H.sub.4 --F(m), --C.sub.6 H.sub.4 --F(p), or --C.sub.6 H.sub.4 --I(m); ##STR2## wherein R.sup.1 represents a methyl group, an ethyl group, a 2-hydroxyethyl group or a 2-chloroethyl group; R.sup.2 represents a methyl group, an ethyl group, a benzyl group or a phenyl group; and R.sup.3 represents hydrogen, chloride, bromide, an alkyl group with one to four carbon atoms, an alkoxy group with one to four carbon atoms, a dialkylamino group, or a nitro group. | ||||||
| 112 | Isoindoline compounds and the manufacture and use thereof | US242005 | 1981-03-09 | US4385174A | 1983-05-24 | Abul Iqbal; Paul Lienhard |
| The invention relates to a simplified process for the manufacture of 1:1 metal complexes of isoindoline azines of the formula ##STR1## wherein R is hydrogen, alkyl or aryl, Q contains an isocyclic or heterocyclic radical, acyl, carbamoyl or thiocarbamoyl, and Y is the radical of an active methylene group or aromatic amine, which comprises reacting a compound HQ or a hydrazone with an ortho ester or amidine in the presence of a metal donor at elevated temperature in a polar solvent. Pigments made by this process are lightfast and are useful in coloring plastics. | ||||||
| 113 | Process for the production of carbinol bases from indoline compounds | US268956 | 1981-06-01 | US4372886A | 1983-02-08 | Rudolf Zink; Peter Loew |
| The invention describes a novel single step process for the production of carbinol bases of the formula I ##STR1## wherein R is the methyl or ethyl group, each R.sub.3 independently is a C.sub.1 -C.sub.4 alkyl group and the benzene rings A and/or B can be unsubstituted or substituted, which process comprises alkylating 1 mole of a dye base of the formula II ##STR2## or the hydrogen salt thereof of the formula IIa ##STR3## wherein R.sub.3, A and B are as defined for formula I and X is any anion, in aqueous alkaline medium having a pH value of at least 10, with at least 2 moles of a compound that introduces the radical R. The carbinol bases obtained are valuable intermediates for obtaining in particular cationic compounds containing any anions, especially carboxylic acid anions, most preferably an acetate anion. | ||||||
| 114 | Isoindoline-azine nickel complex with piperazine | US151032 | 1980-05-19 | US4327212A | 1982-04-27 | Paul Lienhard; Francois L'Eplattenier |
| The isoindoline-azine nickel complex of the formula ##STR1## colors plastics, lacquers and printing inks in yellow shades of outstanding fastness properties. | ||||||
| 115 | Process for producing pyridinaldehydes | US164459 | 1980-06-30 | US4322536A | 1982-03-30 | Rolf Bader; Dieter Reinehr |
| A new improved process for producing pyridinaldehydes and hydrazone derivatives thereof, for example, pyridinaldehyde-phenylhydrazones, is described. This comprises reacting an aminomethylpyridine with an aldehyde or a ketone to give a compound of the formula ##STR1## isomerizing the compound (III), in the presence of suitable catalysts, to a compound of the formula ##STR2## and converting the compound (V), in the presence of an acid and optionally in the presence of a hydrazine, into a pyridinaldehyde or a pyridinaldehyde-hydrazone. It is possible to produce by the process according to the invention pyridinaldehydes and pyridinaldehyde-hydrazones in a simple manner, under mild ecologically favorable conditions and in good to very good yields. | ||||||
| 116 | .alpha.-Hydrazono .alpha.-phenyl acetonitriles, their preparation and their application as dispersed dyestuffs for the coloration of artificial or synthetic materials | US108255 | 1979-12-31 | US4309181A | 1982-01-05 | Manfred C. Rau |
| The present invention relates to new .alpha.-hydrazono .alpha.-phenyl acetonitriles, which can be used in particular as disperse dye-stuffs for the coloration of artificial or synthetic materials. They may be represented by the general formula: ##STR1## in which R.sub.1 represents a hydrogen or halogen atom or a nitro, trifluoromethyl, alkyl or alkoxy group, R.sub.2 represents a hydrogen or halogen atom or a cyano group, and the benzene nucleus A carries 1 to 3 identical or different substituents selected from halogen atoms and the trifluoromethyl, alkyl, alkoxy and --NR.sub.3 R.sub.4 groups, R.sub.3 representing a possibly substituted alkyl group and R.sub.4 representing a hydrogen atom or a possibly substituted alkyl group. These compounds provide colorations which are very fast to light on polyester fibers. | ||||||
| 117 | Cationic dyes | US915328 | 1978-06-13 | US4251656A | 1981-02-17 | Peter Loew; Rudolf Zink; Stefan Koller |
| There are described new cationic dyes of the formula ##STR1## wherein R 's independently of one another each represent a straight-chain or branched-chain alkyl group having 1 to 4 carbon atoms,X represents CH or N,R.sub.1 represents hydrogen in the case where X=CH, or represents a straight-chain or branched-chain alkyl group having 1 to 6 carbon atoms in the case where X=N,Z represents unsubstituted or substituted alkylene which has 2 to 4 carbon atoms and which can be interrupted by one or more hetero atoms,n represents 0 or 1, andT represents an anion, and the ringsA and/or B can optionally contain further substituents,processes for producing these dyes, and their use for dyeing and printing materials dyeable with cationic dyes, for dope dyeing textile materials consisting of homo- or copolymers of acrylonitrile, and for dyeing wet tow, by which means are obtained yellow dyeings having good fastness properties. | ||||||
| 118 | Metal complexes of azomethines | US955042 | 1978-10-26 | US4237286A | 1980-12-02 | Francois L'Eplattenier; Andre Pugin; Jost von der Crone |
| Metal complexes of azomethines of the formula ##STR1## are useful for coloring plastics and lacquers in yellow to red shades of excellent fastness properties. | ||||||
| 119 | 3-Nitro-5-azopyridine dyestuffs | US636487 | 1975-12-01 | US4068085A | 1978-01-10 | Visvanathan Ramanathan; Ulrich Schlesinger; Rene De Montmollin |
| An azo dyestuff of the formula ##STR1## wherein two of the radicals Z denote groups of the formula --NR'R" and one radical Z denotes a group of the formulae --NR'R", --OR' or --S-R', and R' and R" and R" each denote hydrogen, aryl, aralkyl, cycloalkyl or an aliphatic radical and R' and R" can form a ring containing the amine nitrogen and the radicals --NR'R" can be identical to, or different from, one another, Z.sub.3 is also a hydrogen, chlorine or bromine atom or an optionally substituted hydrocarbon radical and D is the radical of an aromatic or heterocyclic diazo component. The new dyestuffs dye synthetic fibers, such as polyester and acrylic fibers in fast yellow, and red shades. | ||||||
| 120 | Optical brightening agents of naphthalimide derivatives | US385578 | 1973-08-03 | US4055565A | 1977-10-25 | Seiji Hotta; Takashi Akamatsu |
| A naphthalimide derivative having the formula ##STR1## wherein R is an alkyl, or cycloalkyl, an aralkyl, a haloalkyl, an alkoxyalkyl, a hydroxyalkyl, an N,N-dialkylaminoalkyl, an unsubstituted or halogen-, alkyl-, alkoxy- or hydroxy-substituted aryl, or an ammoniumalkyl; X is a group of the formula, ##STR2## wherein A is ##STR3## or an unsubstituted or halogen-substituted arylene, or a group of the formula, ##STR4## wherein R.sub.1 is hydrogen, an alkyl, phenyl, a hydroxyalkyl, or an alkoxyalkyl; Y is --CO--, --COO--, --CONR.sub.3 -- (where R.sub.3 is hydrogen or an alkyl), or --SO.sub.2 --; R.sub.2 is hydrogen, an alkyl, a cycloalkyl, an aralkyl, a haloalkyl, an alkyl- or aryl-substituted amino-alkyl, an unsubstituted or halogen-, alkyl-, alkoxy-, hydroxy-, amino- or alkylamino-substituted aryl, a group of the formula, ##STR5## (where R, R.sub.1 and Y are as defined above and R.sub.4 is a bivalent group), or a group of the formula,--R.sub.5 --Q.sup.+ ..alpha.--(where R.sub.5 is direct linkage or a bivalent group; Q.sup.+ is a substituted ammonium, a cycloammonium or a hydrazinium; and .alpha..sup.- is an anion),Which is useful for optically brightening an organic polymer material. | ||||||
QQ群二维码
意见反馈
意见反馈