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 |
|---|---|---|---|---|---|---|
| 161 | Azo-metal chelate dye and optical recording medium | US12481603 | 2009-06-10 | US07989139B2 | 2011-08-02 | Kenichi Satake; Yuko Naitou; Hisashi Shoda; Yuki Suzuki |
| The azo-metal chelate dye to which the present invention is applied is a compound formed as follows: for example, 1,3,4-thiadiazole ring is selected as the diazo component; the diazo component is combined with a coupler component having condensed rings including a fluorine-substituted alkylsulfonylamino group and an amino group, to form an azo dye compound; and the azo dye compound forms chelate bonds with at least one metal selected from the group consisting of Co, Ni, Cu and Pd. Here, two absorption bands (OD1 and OD2) are seen in the absorption spectrum, which is measured in a range of 400 to 800 nm wavelengths. The azo-metal chelate dye is characterized in that the optical density ratio (OD2/OD1) of the two absorption bands is greater than 1.25. By using this azo-metal chelate dye, an optical recording medium capable of high-speed recording is provided. | ||||||
| 162 | Optical recording medium, and, method and apparatus for optical recording and reproducing using optical recording medium | US11236783 | 2005-09-27 | US07439008B2 | 2008-10-21 | Tatsuya Tomura; Tsutomu Sato; Yasunobu Ueno; Soh Noguchi |
| The object of the present invention is to provide an optical recording medium in which a recording material of the optical recording medium has a high solubility in an organic solvent, so that the recording material can be shaped to film by a coating process and the recording material is excellent in light-resistance and stability during the preservation, so that the optical recording medium is applicable to the recordable DVD. For the object, the present invention provides the optical recording medium comprising a substrate and at least a recording medium disposed on the substrate, wherein the recording medium comprises at least one type of formazan-metal chelate dyes. | ||||||
| 163 | Optical information-recording medium and dye | US10826254 | 2004-04-19 | US20040213947A1 | 2004-10-28 | Tetsuya Watanabe; Masatomi Sen; Hisashi Mikoshiba |
| The present invention provides an optical information-recording medium capable of recording and reproducing information with laser beams and having excellent recording characteristics, the optical information-recording medium comprising a support and a recording layer capable of recording information by laser beam exposure, wherein the recording layer contains a dye represented by the following formula (I): 1 wherein R1, R2, R3 and R4 each independently represents a hydrogen atom or a substituent; B1 and B2 represent nullCR5null and nullCR6null respectively, or one of B1 and B2 represents a nitrogen atom and the other represents nullCR5null or nullCR6null; R5 and R6 each independently represents a hydrogen atom or a substituent; Q1 represents a substituted or unsubstituted arylene group, or a substituted or unsubstituted divalent heterocyclic group; and Q2 represents a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group. | ||||||
| 164 | Optical recording medium | US10015659 | 2001-12-17 | US06794114B2 | 2004-09-21 | Hisashi Shoda; Rieko Hata; Satoru Imamura |
| The object of the present invention is to provide an optical recording medium which is excellent in the recording sensitivity and suitable for the high speed recording. Thus, the present invention is an optical recording medium comprising a substrate and a laser-writable and readable recording layer provided thereon, wherein said recording layer contains a chelate dye comprising two or more azo compounds having different structures and a divalent or more metal ion, and said azo compounds are a selected from azo compounds represented by the following general formula (I) and the general formula (II). | ||||||
| 165 | Dye for optical recording medium | US10247051 | 2002-09-17 | US06689872B2 | 2004-02-10 | Nae-Jen Wang; Ching-Huang Chen; Li-Ling Lin; Chao-Nan Kuo; Wen-Dar Liu; Wan-Chun Chen; Shyh-yeu Wang |
| An optical recording medium dye is described. The optical recording medium dye is an azo metal chelate compound, wherein the azo metal chelate compound comprises the following structure: wherein R1 is a hydrogen atom, a C1-6 straight chain or branched alkyl group, an amino group, an alkylamino group or a tolylamino group; R2 is a hydrogen atom, a hydroxyl group, a halogen atom, an ether group, a C1-6 straight chain or branched alkyl group; R3 is a hydrogen atom, a C1-6 straight chain or branched alkyl group; R4 is a hydrogen atom, a C1-6 straight chain or branched alkyl group or a halogen atom; A3 is a residue forming a heterocyclic ring derivative together with a carbon atom and a nitrogen atom. | ||||||
| 166 | Metal chelated dyestuff for inkjet recording and aqueous inkjet recording liquid using the same | US10177148 | 2002-06-24 | US20030088077A1 | 2003-05-08 | Masahiro Yamada; Tomio Yoneyama; Tomohiro Chino |
| The present invention provides a dyestuff good at the clearness of color tone, light resistance, indoor discoloring and fading property, solubility, storage stability, and the like, when the dyestuff is used as a water soluble dyestuff for inkjet recording. That is, a metal chelated dyestuff for inkjet recording which is a water soluble azo metal chelated compound formed from an azo compound represented by the following general formula (1) and a metal element. 1 (where general formula (1) represents an azo dyestuff compound having at least one or more hydrophilic group in a molecule, X1 represents plural atoms required for forming at least one 5- to 7-membered heterocyclic ring, the heterocyclic ring containing X1 being a heterocyclic ring other than a pyridine ring. The heterocyclic ring containing Xi may have substituent(s) on the heterocyclic ring, the substituent(s) on the heterocyclic ring may form a condensed ring through further condensation. The condensed heterocyclic ring containing X1 may be substituted. Ar1 represents naphthyl group having a chelating group.) | ||||||
| 167 | Optical recording medium | US10015659 | 2001-12-17 | US20020051941A1 | 2002-05-02 | Hisashi Shoda; Rieko Hata; Satoru Imamura |
| The object of the present invention is to provide an optical recording medium which is excellent in the recording sensitivity and suitable for the high speed recording. Thus, the present invention is an optical recording medium comprising a substrate and a laser-writable and readable recording layer provided thereon, wherein said recording layer contains a chelate dye comprising two or more azo compounds having different structures and a divalent or more metal ion, and said azo compounds are selected from azo compounds represented by the following general formula (I) and the general formula (II). | ||||||
| 168 | Optical recording elements comprising novel metallized azo ether dyes | US09027078 | 1998-02-20 | US06270943B1 | 2001-08-07 | Derek D. Chapman; Ann L. Carroll-Lee; Csaba A. Kovacs |
| Metallized azo ether dyes having an azo group linking a substituted 3-hydroxypyridine nucleus to a phenyl nucleus are disclosed. The phenyl nucleus has an ether substituent ortho to the azo group. The phenyl nucleus is free of strong electron withdrawing substituents. The dyes are useful in optical recording elements. | ||||||
| 169 | Azo metal chelate compound | US422948 | 1995-04-17 | US5532342A | 1996-07-02 | Tameichi Ochiai; Yutaka Kurose; Takumi Nagao; Takako Tsukahara; Satoru Imamura |
| An azo metal chelate compound of an azo compound of the formula (I) with a metal: ##STR1## wherein A is a residue forming a heterocyclic ring together with the carbon atom and the nitrogen atom to which it is bonded, X is a residue forming an aromatic group together with the two carbon atoms to which it is bonded, R.sup.1 is an alkyl group which may be substituted, an aryl group which may be substituted, an alkenyl group which may be substituted, or a cycloalkyl group which may be substituted, Y is a hydrogen atom or a cation, and n is an integer of from 1 to 3. | ||||||
| 170 | Optical information recording medium using azo dyes | US904615 | 1992-06-26 | US5272047A | 1993-12-21 | Csaba A. Kovacs; Derek D. Chapman |
| There is disclosed a recordable optical element that includes a metallized dye. The element has a transparent substrate and on the surface of the substrate, a dye containing recording layer and a light reflecting layer. The improvement is that the dye is a metal complex of a tridentate azo dye ligand containing, on one side of the azo linkage, an aminohydroxypyridine group and on the other side, an aromatic ring including an electron withdrawing substituent. The dyes that are used in the element are very light stable. | ||||||
| 171 | Disazo metal chelate compounds for optical recording media | US776256 | 1992-01-14 | US5231173A | 1993-07-27 | Tetsuo Murayama; Shuichi Maeda; Satoru Imamura; Masako Takeuchi; Takumi Nagao |
| A metal chelate compound of a dis-azo compound represented by the following formula (I) with a metal: ##STR1## (wherein A is a residue forming a heterocyclic ring together with the carbon atom and the nitrogen atom to which it is bonded, X is a residue forming an aromatic group together with the two carbon atoms to which it is bonded, and D is an aromatic residue which may have a substituent, or a heterocyclic amine residue which may have a substituent, and Y is a group having active hydrogen) and an optical recording medium having a recording layer provided on a substrate so that information can be written in and/or read out by a laser, wherein the recording layer contains a metal chelate compound of the dis-azo compound represented by the above formula (I), with a metal. | ||||||
| 172 | Inclusion compounds, intercalation compounds, and solid solutions of colored organic metal compounds which contains a nickel salt or nickel complex of an azobarbituric acid or its tautomer | US734377 | 1985-05-15 | US4622391A | 1986-11-11 | Manfred Lorenz; Karl H. Schundehutte |
| New inclusion compound, intercalation compounds or solid solutions which are the nickel salts or nickel complexes of a compound which, in one of its tauteromeric structures, corresponds to the formula ##STR1## which contain at least one other included compound, except for one composition of matter which consists of 45 to 82% by weight of azobarbituric acid/nickel 1:1 complex, 3 to 15% by weight of benzene-sulphonamide, 5 to 20% by weight of nickel acetate and 10 to 20% by weight of water and the use of these materials as pigments are disclosed. | ||||||
| 173 | Sulfo group-free azo compounds having on average at least 1.3 basic water-solubilizing groups in metal-free, 1:1 metal complex or 1:2 metal complex form | US409299 | 1982-08-18 | US4587292A | 1986-05-06 | Paul Doswald; Emil Moriconi; Helmut Moser; Horst Schmid |
| Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification,R.sub.t is an arylazo group or a group of the formula --Y--Z, whereinY is a direct bond or a bridging radical, andZ is a basic amino or quaternary ammonium group,R is ##STR2## wherein each of the variables is as defined above or below, X is a direct bond or a bridging radical,x is hydrogen, hydroxy, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, amino or carboxy,ring B is further unsubstituted or further substituted,d is 0, 1 or 2, andn is 0 or 1,with the provisos that (i) the compounds contain an average of at least 1.3 basic water-solubilizing groups, and (ii) the compounds are free of sulfo groups, and 1:1 and 1:2 metal complexes thereof, which metal-free compounds and metal complexes are useful as dyes for leather and paper. | ||||||
| 174 | Metal-free disazo compounds containing at least two basic water-solubilizing groups and having a 1-phenylpyrazole middle component radical and a 6-hydroxyprid-2-one terminal coupling component | US409170 | 1982-08-18 | US4550158A | 1985-10-29 | Paul Doswald; Emil Moriconi; Helmut Moser; Horst Schmid |
| Metal-free azo compounds of the formula ##STR1## wherein Ra is an aromatic group or an active methylene coupling component radical as defined in the specification,R.sub.t is an arylazo group or a group of the formula -Y-Z, whereinY is a direct bond or a bridging radical, andZ is a basic amino or quaternary ammonium group, ##STR2## wherein each of the variables is as defined above or below, X is a direct bond or a bridging radical,x is hydrogen, hydroxy C.sub.1-4 alkyl, C.sub.1-4 alkoxy, amino or carboxy, ring B is further unsubstituted or further substituted,d is 0, 1 or 2, andn is 0 or 1,with the provisos that (i) the compounds contain an average of at least 1.3 basic water-solubilizing groups, and (ii) the compounds are free of sulfo groups,and 1:1 and 1:2 metal complexes thereof,which metal-free compounds and metal complexes are useful as dyes for leather and paper. | ||||||
| 175 | Nondiffusible yellow metallized azo dye-releasing compounds | US484806 | 1983-04-14 | US4481141A | 1984-11-06 | Steven Evans |
| Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible compound having a releasable yellow dye moiety or precursor thereof, the compound having the formula: ##STR1## wherein: (a) X represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic fused ring;(b) Z represents alkyl, substituted alkyl, aryl or substituted aryl;(c) R represents CN or J-L;(d) J represents a bivalent ##STR2## (e) L represents alkyl, substituted alkyl, aryl, substituted aryl, or can be taken together with Z to complete a carbonyl-containing 5- or 6-membered heterocyclic or carbocyclic ring;(f) Z.sup.1 represents the same groups as Z;(g) each CAR independently represents a ballasted carrier moiety capable of releasing the diffusible yellow dye moiety or precursor thereof as a function of development of a silver halide emulsion layer under alkaline conditions;(h) each n is 0 or 1, with the proviso that at least one n is 1;(i) Lig is a monoanionic tridentate ligand; and(j) Me is a polyvalent, hexacoordinate metal ion. | ||||||
| 176 | Process for dyeing leather with mixtures of dyes | US360025 | 1982-03-19 | US4452602A | 1984-06-05 | Alois Puntener; Josef Koller; Fabio Beffa |
| A mixture of at least three selected 1:2 chromium or 1:2 cobalt complex dyes of different colors and belonging to the azo or azomethine series is used for dyeing leather and furs. The mixtures of dyes make it possible for the first time to dye leather by the trichromatic process. | ||||||
| 177 | Metalized dyes, their manufacture and use | US319533 | 1981-11-09 | US4436659A | 1984-03-13 | Arthur Buhler; Hans U. Schutz |
| The present invention relates to copper, nickel, chromium or cobalt complexes of azo or azomethine dyes which contain a group of the formula ##STR1## wherein Z is a bridge Member of the formula--SO.sub.2 --, ##STR2## wherein R is hydrogen or a low molecular alkylene radical or an arylene radical, Ar is an arylene radical, m is 1 or 2 and U is a sulpho or carboxy group. | ||||||
| 178 | Metal complex dyes derived from 4-phenylazo-5-aminopyrazoles | US237274 | 1981-02-23 | US4430267A | 1984-02-07 | Johannes Dehnert |
| Nickel complexes, obtained by heating one or more compounds of the general formula I ##STR1## where R.sup.1 is hydrogen, unsubstituted or substituted alkyl, cycloalkyl, aralkyl, hetaralkyl, aryl or hetaryl,R.sup.2 is hydrogen or methyl and X is fluorine, chlorine, bromine or phenoxy, andthe ring a may additionally carry fused rings or be substituted and, if R.sup.1 is isopropyl or phenyl and the ring a is unsubstituted, R.sup.2 is hydrogen,in an organic solvent, in the presence of an acid acceptor and of a nickel donor, are exceptionally suitable for dyeing, in particular, cellulosic fibers. | ||||||
| 179 | Photographic products and processes employing nondiffusible yellow azo metal complexed dye-releasing compounds and precursors thereof | US392509 | 1982-06-28 | US4407931A | 1983-10-04 | Steven Evans |
| Photographic elements, diffusion transfer assemblages, coordination complexes and processes are described which employ a novel nondiffusible compound having a releasable yellow dye moiety or precursor thereof, the compound having the formula: ##STR1## wherein: (a) X represents the atoms necessary to complete a 5- or 6-membered aromatic heterocyclic fused ring;(b) Z represents alkyl, substituted alkyl, aryl or substituted aryl;(c) R represents CN or J--L;(d) J represents a bivalent ##STR2## group; (e) L represents alkyl, substituted alkyl, aryl, substituted aryl, or can be taken together with Z to complete a carbonyl-containing 5- or 6-membered heterocyclic or carbocyclic ring;(f) Z.sup.1 represents the same groups as Z;(g) each CAR independently represents a ballasted carrier moiety capable of releasing the diffusible yellow dye moiety or precursor thereof as a function of development of a silver halide emulsion layer under alkaline conditions;(h) each n is 0 or 1, with the proviso that at least one n is 1;(i) Lig is a monoanionic tridentate ligand; and(j) Me is a polyvalent, hexacoordinate metal ion. | ||||||
| 180 | Photographic recording material with metal complexable, heterocyclic azo dye | US367761 | 1982-04-12 | US4396710A | 1983-08-02 | Peter Bergthaller; Gunther Schenk; Gerhard Wolfrum; Hans-Volker Runzheimer |
| Cyan images may be prepared by the dye diffusion transfer process, using dye-releasers which on development release diffusible dyes capable of forming light-fast cyan metal-dye-complexes particularly with copper or nickel ions. As also the dye-releasers are capable of complexation, cyan images can be prepared not only from the released dyes but also from the dye-releasers ("retained image"). Released dyes and dye-releasers of the present invention contain a chromophor of the following formula: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents --H, --F, --Cl, --Br, --CN, --NO.sub.2, --CF.sub.3, --OCF.sub.3, --SCF.sub.3, alkyl, alkoxy, alkylthio, acylamino, alkylsulfonyl, arylsulfonyl, --CO--X or --SO.sub.2 --Y or two adjacent groups R.sup.1 -R.sup.4 together constitute a condensed benzene ring which may contain further substituents;R.sup.5 represents hydrogen or a substituent having an electron donor character;R.sup.6 represents hydrogen, halogen or alkyl;G represents a group capable of chelate formation;X represents --OH, alkoxy, an amino group optionally substituted by alkyl or aryl, or a cyclic amino group;Y represents --H, --OH, an amino group optionally substituted by alkyl or aryl, a cyclic amino group or a group corresponding to the following general formula: --NH--So.sub.2 --R.sup.7 ;R.sup.7 represents alkyl, aryl, an amino group optionally disubstituted by alkyl or a cyclic amino group; andn represents 0 or 1. | ||||||
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