序号 专利名 申请号 申请日 公开(公告)号 公开(公告)日 发明人
161 Thermal dye transfer methods utilizing heterocyclic hydrazono dyes US169335 1993-12-17 US5468258A 1995-11-21 Wilhelmus Janssens; Luc Vanmaele
Dye donor element for use according to thermal dye sublimation transfer comprising a support having thereon a dye layer comprising at least one heterocyclic hydrazono dye, wherein said dye corresponds to the general formula:A=N-N=Hetwherein A is a carbocyclic or heterocyclic coupler group or a cyclic reactive methylene system, which may carry at least one substituent, and Het is a heterocyclic nucleus, which may carry at least one substituent.
162 Electrophotographic photoreceptor comprising a photosensitive layer containing a naphthylhydrazone compound US246916 1988-09-16 US5290649A 1994-03-01 Tetsumi Suzuki; Hitoshi Ono; Osamu Ando
An electrophotographic photoreceptor is formed by a photosensitive layer containing a naphtylhydrazone compound of the formula: ##STR1## wherein X and Y are independently a hydrogen atom, lower alkyl group, lower alkoxy group, phenoxy group or arylalkoxy group; R.sup.1 is a naphtyl group; R.sup.2 is a hydrogen atom, lower alkyl group, allyl group, substituted or unsubstituted phenyl group, or aralkyl group; and l and m are 1 or 2. The photoreceptor thus formed is not only highly sensitive but resistant to ozone deterioration, which markedly improves the durability thereof.
163 High-molecular weight organic material containing a metal complex pigment basaed on hydrazone US374321 1989-06-29 US5066695A 1991-11-19 Georg Cseh; Paul Lienhard; Walter Wiedemann
High-molecular weight organic material containing at least one metal complex of a ligand of formula I: ##STR1## wherein A is a carbocyclic aromatic or heterocyclic aromatic radical, B is a carbocyclic aromatic radical or a heterocyclic aromatic radical containing at least one N atom, it being necessary for at least one of the radicals A and B to be heterocyclic, and R.sub.1 is --C.sub.1 -C.sub.18 -alkyl, a carbocyclic aromatic radical or a heterocyclic aromatic radical containing at least one N atom, and the metal is a transition metal cation carrying a double positive charge selected from Ni.sup.2+, Cu.sup.2+, Co.sup.2+, Zn.sup.2+, Mn.sup.2+, Fe.sup.2+, Cd.sup.2+ or Pt.sup.2+ or the radical VO.sup.2+.
164 Photosensitive member containing hydrazone compound with styryl structure US477461 1990-02-09 US4988596A 1991-01-29 Hideaki Ueda
The present invention relates to a photosensitive member comprisingan electrically conductive substrate, anda photosensitive layer formed on or over the substrate and including a hydrazone compound represented by the general formula (I); ##STR1##
165 Photoconductor for electrophotography containing hydrazone US406807 1989-09-13 US4985325A 1991-01-15 Masami Kuroda; Yoshinobu Sugata; Noboru Furusho
A photoconductor for electrophotography comprises a substrate and a photosensitive layer formed thereon and including a novel hydrazone compound as a charge transporting substance. The hydrazone compound is represented by the following general formula: ##STR1## wherein, each of R.sub.1, R.sub.2 and R.sub.3 stands for any one of an alkyl group, an alkenyl group, an aralkyl group and an aryl group, which groups may be or not may be substituted, R.sub.4 stands for any one of a hydrogen atom, a halogen atom, an alkyl group, an alkenyl group, an aralkyl group and an aryl group, which groups may be or not may be substituted an n stands for an integer of 0 to 1.
166 Chromogenic polycyclic azamethines US188807 1988-05-02 US4847378A 1989-07-11 Rudolf Zink
Chromogenic polycyclic azamethines of formula ##STR1## wherein T.sub.1 and T.sub.2 are each independently of the other lower alkyl, cycloalkyl, benzyl, or, when taken together, are alkylene,Q is --CH or, preferably, N,W is alkylene, alkenylene, 1,2-cycloalkylene or 1,2-arylene,R is hydrogen, lower alkyl, aryl or aralkyl, andY is alkyl or alkenyl, each unsubstituted or substituted by halogen, hydroxyl, cyano or lower alkoxy, or is aralkyl, and the ring A is unsubstituted or substituted by halogen, cyano, hydroxy, lower alkyl, lower alkoxy, lower alkylcarbonyl, lower alkylcarbonyloxy, lower alkylamino, di-lower alkylamino or lower alkylcarbonylamino, and the ring B is unsubstituted or substituted by halogen, cyano, C.sub.1 -C.sub.12 alkyl, C.sub.1 -C.sub.12 alkoxy, C.sub.2 -C.sub.12 alkoxyalkoxy or aralkoxy or a glycol ether group.These azamethines are particularly suitable for use as color formers in pressure-sensitive or heat-sensitive recording materials and give strong and lightfast yellow and orange colorations.
167 Function separated photosensitive member having a diphenylamine derivative disazo charge generation material US943503 1986-12-19 US4830944A 1989-05-16 Shoji Umehara; Masakazu Matsumoto; Takao Takiguchi; Shozo Ishikawa
A function separated type electrophotographic photosensitive member for infrared rays comprises a combination of a charge generation material and a charge transport material, wherein the electrophotographic photosensitive member for infrared rays contains as the charge generation material a disazo pigment represented by Formula (1).
168 Electrophotographic photosensitive member US605839 1984-05-01 US4535043A 1985-08-13 Shozo Ishikawa; Hitoshi Toma; Fumio Sumino
An electrophotographic photosensitive member having a photosensitive layer of a laminate structure comprising a charge generation layer and a charge transport layer on a conductive substrate, characterized in that the charge generation layer contains an aluminum chloride phthalocyanine pigment and the charge transport layer contains a hydrazone compound represented by the general formula ##STR1## wherein R.sub.1 and R.sub.2 represent alkyls or are residues forming a cyclic amino group together with the nitrogen atom which links them, and R.sub.3 represents hydrogen or halogen.
169 Process for the manufacture of metal complexes of isoindoline azines US423353 1982-09-24 US4496727A 1985-01-29 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.
170 Nickel complex pigments of azines US331440 1981-12-16 US4460768A 1984-07-17 Abul Iqbal; Paul Lienhard; Andre Pugin
1:1 Nickel complexes of azines of the formula I or of a tautomer thereof ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 is methyl or carbamoyl, R.sub.3 is hydrogen or chlorine, R.sub.4 is hydrogen, chlorine, methyl, trifluoromethyl or sulfamoyl, R.sub.5 is hydrogen or chlorine, R.sub.6 is hydrogen, chlorine, bromine, methyl, methoxy, trifluoromethyl, carbamoyl or alkanoylamino containing 2 to 4 carbon atoms, with the proviso that, if R.sub.2 is carbamoyl, at least two of the substituents R.sub.3 to R.sub.6 are halogen atoms and/or trifluoromethyl groups, color plastics, lacquers and printing inks in orange to red shades of outstanding fastness properties.
171 Electrophotographic member having layer containing methylidenyl hydrazone compound US325838 1981-11-30 US4423129A 1983-12-27 Yoshio Takasu; Kiyoshi Sakai; Minoru Mabuchi; Shozo Ishikawa; Katsunori Watanabe
An electrophotographic photosensitive member is characterized by having a layer which contains at least one hydrazone compound represented by the following formula (1) or (2): ##STR1## wherein R.sub.11 represents substituted or unsubstituted naphthyl; R.sub.12 represents substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl; R.sub.13 represents hydrogen, alkyl, or alkoxy; R.sub.14 and R.sub.15 each represent substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl; n is 0 or 1; when n=1, R.sub.14 and R.sub.15, together with the nitrogen which links them, may complete a cyclic amino group; X represents a group necessary for completing a benzene ring or naphthalene ring; R.sub.21 and R.sub.22 each represent hydrogen, halogen, alkyl, alkoxy or disalkylamino; and R.sub.23, R.sub.24, R.sub.25, R.sub.26 and R.sub.27 each represent substituted or unsubstituted alkyl, substituted or unsubstituted aralkyl, or substituted or unsubstituted aryl.
172 Multilayer electrophotographic photosensitive member comprises disazo charge generator layer, hydrazone transport layer US381450 1982-05-24 US4413045A 1983-11-01 Shozo Ishikawa; Kazuharu Katagiri; Katsunori Watanabe; Kiyoshi Sakai; Makoto Kitahara
An electrophotographic photosensitive member is characterized by comprising a charge generation layer containing at least one disazo pigment represented by the following formula [I] and a charge transport layer containing at least one hydrazone compound represented by the following formula [II]: ##STR1## wherein A is a coupler residue, B represents hydrogen, halogen, alkyl, or alkoxy, and n is an integer of 1 to 4; ##STR2## wherein R.sub.1 represents N,N-dialkyl amino, or N,N-diarylamino, or N-alkyl-N-arylamino, or alkoxy or aryloxy, each being substituted or unsubstituted; R.sub.2 and R.sub.3 each represent alkyl, aralkyl, or aryl, each being substituted or unsubstituted, or R.sub.2 and R.sub.3, together with the nitrogen atom which links them, represent nitrogen-containing heterocyclic ring; R.sub.4 represents hydrogen, or alkyl, aralkyl, or aryl, each being substituted or unsubstituted; R.sub.5 represents hydrogen, alkyl, or alkoxy; and l is 0 or 1.
173 Process for the preparation of cationic alkylarylhydrazone dyestuffs and color bases thereof US271164 1981-06-08 US4376728A 1983-03-15 Roderich Raue; Hans-Peter Kuhlthau
To prepare dyestuffs of the general formula ##STR1## or color bases of the general formula ##STR2## wherein R.sup.1 and R.sup.2 denote hydrogen, alkyl, alkenyl or aralkyl,R.sup.3 and R.sup.4 denote methyl or ethyl andX denotes an anion,and wherein the rings A and B and the radicals R.sup.1 and R.sup.2 can carry non-ionic substituents and the rings A and B can carry further fused-on rings, an amine of the formula ##STR3## wherein B has the abovementioned meaning, and a compound of the formula ##STR4## wherein R.sup.1, R.sup.3, R.sup.4 and A have the abovementioned meanings andR.sup.5 and R.sup.6 represent hydrogen, alkyl, alkoxy, phenoxy or phenyl,are reacted, in the presence of an acid, with a substance which releases nitrous acid and, if appropriate, the product is then reacted with a compound which forms the radicals R.sup.1' and/or R.sup.2', which represent alkyl, alkenyl or aralkyl which are optionally substituted by non-ionic radicals, and X.
174 Metal complexes of isoindolinazines, process for their preparation and use US242003 1981-03-09 US4367333A 1983-01-04 Abul Iqbal
1:1 metal complexes of isoindolinazines of the formula ##STR1## in which the ring A can be further substituted, R is a hydrogen atom or an alkyl or aryl group, B is an isocyclic or heterocyclic aromatic radical, R.sub.1 is the OH or SH group and Y is a radical of the formula ##STR2## in which Z.sub.1 and Z.sub.2 are O or S atoms, n is the number 1 or 2, R.sub.2 ' is an alkyl, aryl or heteroaryl radical and R.sub.2 is an alkyl, cycloalkyl, aralkyl or aryl radical or a radical of the formula ##STR3## in which R.sub.3 is an alkylene or arylene group. The novel pigments color plastics and surface coatings in pure, intense orange to red shades with good fastness properties.
175 Metal complexes of isoindolinazines, process for their preparation and use US242004 1981-03-09 US4366312A 1982-12-28 Abul Iqbal
1:1 metal complexes of azines of the formula ##STR1## in which the ring A can be further substituted, R is an H atom or an alkyl or aryl group, B is an isocyclic or heterocyclic aromatic radical or an alicyclic radical, R.sub.1 is the OH or SH group and Y is a radical of the formula ##STR2## in which Z is an O or S atom, n is the number 1 or 2 and R.sub.2 is an alkyl, aralkyl, cycloalkyl or aryl radical or an amino group which is unsubstituted or substituted by an alkyl, cycloalkyl, aralkyl or aryl radical.In plastics and surface coatings, the novel pigments give intense pure orange to violet colorations with good fastness properties.
176 Nickel complex pigments of azines US149406 1980-05-13 US4355159A 1982-10-19 Abul Iqbal; Paul Lienhard; Andre Pugin
1:1 Nickel complexes of azines of the formula I or of a tautomer thereof ##STR1## wherein R.sub.1 is hydrogen or methyl, R.sub.2 is methyl or carbamoyl, R.sub.3 is hydrogen or chlorine, R.sub.4 is hydrogen, chlorine, methyl, trifluoromethyl or sulfamoyl, R.sub.5 is hydrogen or chlorine, R.sub.6 is hydrogen, chlorine, bromine, methyl, methoxy, trifluoromethyl, carbamoyl or alkanoylamino containing 2 to 4 carbon atoms, with the proviso that, if R.sub.2 is carbamoyl, at least two of the substituents R.sub.3 to R.sub.6 are halogen atoms and/or trifluoromethyl groups, color plastics, lacquers and printing inks in orange to red shades of outstanding fastness properties.
177 Process for the production of metal complexes of isoindoline azines US241141 1981-03-05 US4349671A 1982-09-14 Abul Iqbal; Paul Lienhard
The invention relates to a process for the manufacture of 1:1 metal complexes of azines of the formula ##STR1## wherein R.sub.1 is a hydrogen atom, an alkyl or aryl group, R.sub.2 is an isocyclic or heterocyclic radical containing a hydroxyl or mercapto group adjacent to the azomethine group, Y is the radical of a compound which contains active methylene groups, or of an aryl or heteroaryl amine, and the ring A can contain substituents that do not confer solubility in water, which process comprises reacting a compound of the formula ##STR2## wherein R.sub.3 is a hydrogen atom or an alkyl radical, R.sub.4 is an alkyl, aryl or heteroaryl radical or the radical of the formula ##STR3## or R.sub.3 and R.sub.4, together with the nitrogen atom to which they are attached, form a 5- or 6-membered heterocyclic ring, and Y has the given meaning, with a hydrazone of the formula ##STR4## in the presence of a transition metal donor and in a polar organic solvent, at temperatures above 100.degree. C.Compared with pigments obtained by the prior art methods, the pigments of this invention have greater purity and better fastness properties, especially better fastness to migration, overspraying, light, atmospheric influences and heat.
178 Quaternary and basic azamethine compounds and their use as colorants US204323 1980-11-05 US4344879A 1982-08-17 Reinhard Mohr; Manfred Hahnke
Novel azamethine compounds of the formula (1) ##STR1## in which R is alkyl of from 1 to 4 carbon atoms optionally substituted, Alk is alkyl of from 1 to 4 carbon atoms, Y is the methine radical or a nitrogen atom, R.sub.1 is hydrogen or alkyl of from 1 to 4 carbon atoms optionally substituted, alkylene is an alkylene group of from 2 to 6 carbon atoms, Z is a group of the formula (2a) or 2(b) ##STR2## in which R.sub.2 is alkyl of from 1 to 4 carbon atoms optionally substituted, R.sub.3 is alkyl of from 1 to 4 carbon atoms optionally substituted, or is phenyl unsubstituted or substituted by chlorine, alkyl of from 1 to 4 carbon atoms, alkoxy of from 1 to 4 carbon atoms, nitro, carbalkoxy of from 2 to 5 carbon atoms and/or carbamoyl, R.sub.4 is hydrogen or alkyl of from 1 to 4 carbon atoms optionally substituted, or R.sub.2 and R.sub.3 together with the nitrogen atom form a heterocyclic ring containing optionally nitrogen, oxygen or sulfur as a further hetero atom, or R.sub.2 and R.sub.3 or R.sub.2, R.sub.3 and R.sub.4 together with the positive nitrogen form a heterocyclic ring containing optionally nitrogen, oxygen or sulfur as a further hetero atom, the benzene nucleus A is unsubstituted or substituted by halogen, nitro, cyano, sulfamoyl, alkyl of from 1 to 4 carbon atoms, alkoxy of from 1 to 4 carbon atoms and/or carbalkoxy of from 2 to 5 carbon atoms, the benzene nucleus B is unsubstituted or substituted by halogen, nitro, alkyl of from 1 to 4 carbon atoms, alkoxy of from 1 to 4 carbon atoms and/or carbalkoxy of from 2 to 5 carbon atoms, n is the integer 1 or 2, and X.sup.(-) is the equivalent of a colorless anion.These novel compounds can be prepared in usual manner analogously to known processes using the corresponding indoline and alkoxyaniline derivatives as starting compounds with optional subsequent alkylation.The novel azamethine compounds are well suitable as dyestuffs, soluble in water and in acids as well as in various organic solvents, for the dyeing of preferably acid-modified aromatic polyesters, acid-modified polyamides and acid-modified polyacrylonitrile materials, especially those in the form of fibres or in the mass by means of a spin-dyeing procedure.
179 Process for the coloration of hydrophobic fibers US108757 1979-12-31 US4290770A 1981-09-22 Manfred C. Rau
The invention relates to the coloration of artificial or synthetic materials. There is used as disperse dyestuff a compound of the general formula: ##STR1## in which R.sub.1 represents a hydrogen atom or a nitro group, R.sub.2 represents a hydrogen or halogen atom or a nitro, trifluoromethyl, alkyl or alkoxy group and R.sub.3 represents a hydrogen or halogen atom or a cyano group.
180 Metal complexes of azomethines US955043 1978-10-26 US4237293A 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.
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