Class / Patent application number | Description | Number of patent applications / Date published |
546006000 | The metal is bonded directly to chalcogen which chalcogen is attached directly or indirectly to the six-membered hetero ring by nonionic bonding | 26 |
20090234122 | CYANINE DYE AND OPTICAL RECORDING MEDIUM - The present invention has an object to widen the range of applicable field of organic compounds to be selected as light absorbing materials in various fields including information recordings, solar energy generations, electric machinery apparatuses, electric communicating apparatuses, optical apparatuses, clothes, building/bedding/decorating products, sanitary and health goods, and agricultural materials, particularly, in the field of optical recording media by providing novel organic materials which absorb short-wavelength visible light, have improved lightfastness and solubility in solvents, and also have heat characteristics depending upon uses to be applied. The object is attained by providing cyanine dyes having a specific structure. | 09-17-2009 |
20090281319 | PREPARATION OF PLATINUM (II) COMPLEXES - This invention relates a method for the preparation of platinum(II)oxalato complexes from their dihalogenoplatinum(II) precursors having either neutral monodentate or bidentate non-leaving co-ligands. Of particular interest is oxaliplatin. The method includes the step of reacting a halogenoplatinum(II) complex containing a neutral monodentate or bidentate ligand with an oxalate in a non-aqueous solvent or a mixed solvent system. The mixed solvent system is solvent mixture containing a non-aqueous solvent and water. According to the present invention, the non-aqueous solvent is an alcohol. | 11-12-2009 |
20090306385 | REVERSIBLY REDUCIBLE METAL COMPLEXES AS ELECTRON TRANSPORTING MATERIALS FOR OLEDS - The invention is reversibly reducible metal complexes and materials and an organic light emitting device, having an anode; a cathode; and at least one organic layer disposed between the anode and the cathode, made with the complexes of the invention. The reversibly reducible metal complexes are complexes a redox active metal center and at least one ligand; wherein; following a reduction of the complex, adding 1 extra electron to the complex, the extra electron is localized on the metal center. The complexes may function as an ETL or a host material. | 12-10-2009 |
20100056787 | CHELATING AGENTS - The present invention relates to chelating agents, in particular to chelating agents which are capable of forming complexes with paramagnetic metal ions such as iron (III) and gadolinium (III). The invention also relates to the complexes formed and their use as MRI contrast agents. | 03-04-2010 |
20100105909 | MODIFIED METAL COMPLEX AND USE THEREOF - A modified metal complex obtained by subjecting a metal complex containing an organic compound having one nitrogen-containing aromatic heterocycle and four or more structures of a phenol, thiophenol, aniline or nitrogen-containing aromatic heterocyclic ring or an organic compound having two or more phenol rings and three or more nitrogen-containing aromatic heterocycles, in its molecule as a ligand, to a heating, radiation irradiation or discharge treatment until a mass reduction rate after the treatment becomes from 1 to 90 mass %, thereby the complex shows a carbon content after the treatment of 5 mass % or more. | 04-29-2010 |
20100240896 | METHOD FOR HYDROFORMYLATION - The present invention relates to a process for the hydroformylation of compounds of the formula (I), | 09-23-2010 |
20110098473 | NOVEL TRANSITION METAL COMPLEXES AND USE THEREOF IN ORGANIC LIGHT EMITTING DIODES - III - Metal complexes comprising at least one polycyclic aromatic ligand which is bonded to the central metal via two nitrogen atoms, an organic light-emitting diode comprising at least one inventive metal complex, a light-emitting layer comprising at least one inventive metal complex, an organic light-emitting diode comprising at least one inventive light-emitting layer, the use of the at least one inventive metal complex in organic light-emitting diodes, and a device selected from the group consisting of stationary visual display units such as visual display units of computers, televisions, visual display units in printers, kitchen appliances and advertising panels, illuminations, information panels and mobile visual display units such as visual display units in cellphones, laptops, digital cameras, vehicles, and destination displays on buses and trains, comprising at least one inventive organic light-emitting diode. | 04-28-2011 |
20110263856 | 8-HYDROXYQUINOLINE-BASED WHITE-LIGHT-EMITTING ORGANIC ELECTROLUMINESCENT MATERIAL - A white-light organic electroluminescent material based on 8-hydroxyquinoline and the method for preparing the same, as well as an organic light emitting diode including this material. The material may be the compound represented by the Formula (IX) having a DCDC group, a 5-position substituted 8-hydroxyquinolinyl group and a carbazolyl group as red light-, green light- and blue-light emitting groups, respectively. It exhibits a spectrum having a band width of 182.4 nm that substantially covers the visible-light region, and has a color coordinate of (0.3177, 0.3946), which just locates within the white-light area. Such a material is capable of realizing a white-light emission, and may be used in a white-light OLED as a single light-emitting layer, which can decrease the number of layers of the white-light OLED and thereby improve the luminous efficiency, stabilize the light color, lower the turn-on voltage and simplify the fabrication process. | 10-27-2011 |
20120264939 | Fluoride-Releasing Compositions - Chelating monomers and fluoride-releasing compositions are disclosed that may be incorporated into dental composite restorative materials, dental bonding agents or other dental materials, to produce materials with high fluoride release rates, and high fluoride recharge capability. Such dental restorative materials may help reduce the level of dental caries in patients, particularly the level of caries occurring on the margins of the restorative materials. | 10-18-2012 |
20130096307 | METHOD OF SYNTHESIZING A COMPLEX [CO (NNS) 2] ACTIVE AGAINST THE MALARIA PARASITE PLASMODIUM - Metal complex of Cobalt (11) containing a dithio-based ligand have been synthesized and characterized by elemental analysis, mass spectrometry, Proton NMR and FT-IR spectrometry. A single crystal X-ray structure of the cadmium complex has been analyzed. The metal complex was subjected to biological tests on falcipain-2 (FP-2) and falcipain-3 (FP-3) cysteine protease enzymes from the malaria parasite Plasmodium falciparum. They were further tested in vitro against chloroquine resistant strain (W2). Whereas the potency of the metal complexes was weaker than the control regarding the FP-2 and FP-3, the potency of metal complexes was found to be exceedingly greater than the control when tested against the chloroquine resistant strain (W2) with a strength ratio of (0.5). This paper describes the synthesis, characterization and biological results of the said metal complex containing the deprotonated 3-[1-(2-pyridyl) ethylidene] hydrazinecarbodithioate ligand (FIG. | 04-18-2013 |
20130096308 | Method of Synthesizing the Complex [FE(NNS)2] Active Against the Malaria Parasite Plasmodium Falciparum - Metal complex of Iron (U) containing a dithio-based ligand have been synthesized and characterized by elemental analysis, mass spectrometry, Proton NMR and FT-ER spectrometry. A single crystal X-ray structure of the cadmium complex has been analyzed. The metal complex was subjected to biological tests on falcipain-2 (FP-2) and falcipain-3 (FP-3) cysteine protease enzymes from the malaria parasite | 04-18-2013 |
20130137871 | METHOD OF SYNTHESIZING A COMPLEX [MN (NNS)2] ACTIVE AGAINST THE MALARIA PARASITE PLASMODIUM FALCIPARUM - Metal complex of Manganese(II) containing a dithio-based ligand have been synthesized and characterized by elemental analysis, mass spectrometry, Proton NMR and FT-IR spectrometry. A single crystal X-ray structure of the cadmium complex has been analyzed. The metal complex was subjected to biological tests on falcipain-2 (FP-2) and falcipain-3 (FP-3) cysteine protease enzymes from the malaria parasite | 05-30-2013 |
20130137872 | METHOD OF SYNTHESIZING A COMPLEX [CU(NNS)CL] ACTIVE AGAINST THE MALARIA PARASITE PLASMODIUM FALCIPARUM - Metal complex of Copper (II) containing a dithio-based ligand have been synthesized and characterized by elemental analysis, mass spectrometry, Proton NMR and FT-IR spectrometry. A single crystal X-ray structure of the copper complex has been analyzeThis paper describes the synthesis and characterization of the said metal complex containing deprotonated 3-[1-(2-pyridyl) ethylidene]hydrazinecarbodithioate ligand (FIG. | 05-30-2013 |
20130158267 | METHOD OF SYNTHESIZING THE COMPLEX [ZN(NNS)2] ACTIVE AGAINST THE MALARIA PARASITE PLASMODIUM - Metal complex of Zinc(II) containing a dithio-based ligand have been synthesized and characterized by elemental analysis, mass spectrometry, Proton NMR and FT-IR spectrometry. A single crystal X-ray structure of the cadmium complex has been analyzed. The metal complex was subjected to biological tests on falcipain-2 (FP-2) and falcipain-3 (FP-3) cysteine protease enzymes from the malaria parasite Plasmodium falciparum. They were further tested in vitro against chloroquine resistant strain (W2). Whereas the potency of the metal complexes was weaker than the control regarding the FP-2 and FP-3, the potency of metal complexes was found to be exceedingly greater than the control when tested against the chloroquine resistant strain (W2) with a strength ratio of 172.4. This paper describes the synthesis, characterization and biological results of the said metal complex containing deprotonated 3-[1-(2-pyridyl) ethylidene] hydrazinecarbodithioate ligand. | 06-20-2013 |
20130317224 | NOVEL NI COMPLEX AND ITS DERIVATIVES, PRODUCING METHOD, AND THE USE THEREOF AS AN ANTIOXIDANT - The present invention relates to a novel nickel complex and its derivatives, which mimic the active site of Ni-containing superoxide dismutase (NiSOD). The five-coordinate Ni(II) and Ni(III) complexes or their derivatives, and six-coordinate derivatives have the following structures of formula (I) and (II): | 11-28-2013 |
20140024833 | PROCESS FOR THE HOMOGENEOUSLY CATALYZED AMINATION OF ALCOHOLS WITH AMMONIA IN THE PRESENCE OF A COMPLEX CATALYST WHICH COMPRISES NO ANIONIC LIGANDS - The invention relates to a process for preparing primary amines by alcohol amination of alcohols with ammonia with the elimination of water, where the alcohol amination is carried out under homogeneous catalysis in the presence of at least one complex catalyst which comprises ruthenium and at least one at least bidental donor ligand, but no anionic ligands. | 01-23-2014 |
20140051859 | NOVEL NI COMPLEX AND ITS DERIVATIVES, PRODUCING METHOD, AND THE USE THEREOF AS AN ANTIOXIDANT - The present invention relates to a novel nickel complex and its derivatives, which mimic the active site of Ni-containing superoxide dismutase (NiSOD). The five-coordinate Ni(II) and Ni(III) complexes or their derivatives, and six-coordinate derivatives have the following structures of formula (I) and (II): | 02-20-2014 |
20140088308 | Fluoride-Releasing Compositions - Chelating monomers and fluoride-releasing compositions are disclosed that may be incorporated into dental composite restorative materials, dental bonding agents or other dental materials, to produce materials with high fluoride release rates, and high fluoride recharge capability. Such dental restorative materials may help reduce the level of dental caries in patients, particularly the level of caries occurring on the margins of the restorative materials. | 03-27-2014 |
20150011765 | THIOLATE-BRIDGED MULTINUCLEAR COPPER(I) COMPLEX - A copper(I) complex is represented by the following Formula (1): [Cu | 01-08-2015 |
20150112066 | ASYMMETRIC CATALYSTS - The present invention relates to asymmetric catalysts, including redox-reconfigurable asymmetric catalysts. Methods of producing compounds having one or more stereocenters using the asymmetric catalysts of the present invention are also disclosed. | 04-23-2015 |
546007000 | The chalcogen is bonded directly to ring carbon of a quinoline ring system (including hydrogenated) | 6 |
20080234484 | Method for making tris (8-hydroxyquinoline) nano-crystal - A method for making a tris-(8-hydroxyquinoline) aluminum (Alq3) nano-crystals includes the steps of: (a) dissolving Alq3 powders into a solvent to form a solution A; (b) dissolving a surfactant in water to achieve a solution B; (c) uniformly mixing the solution A and the solution B to form a latex C; and (d) removing the solvent from the latex C, and subsequently, subjecting the remaining solute to centrifugal separation to form Alq3 nano-crystals. | 09-25-2008 |
20090216018 | ORGANOMETALLIC COMPLEXES - Organometallic complexes are provided, methods for making the same, and their use in devices and sub-assemblies. | 08-27-2009 |
20120172597 | MATERIALS FOR ELECTRONIC DEVICES - The present invention relates to compounds of the formulae (I) to (XII), to the use of the compounds in electronic devices, and to electronic devices comprising the compounds according to the invention. | 07-05-2012 |
20140336384 | APPARATUS FOR PURIFYING ORGANIC COMPOUND AND METHOD OF PURIFYING ORGANIC COMPOUND - An apparatus for purifying an organic compound and a method of purifying an organic compound, the apparatus including an inner tube that receives a purification target material therein; a heater that heats the purification target material received in the inner tube; an evacuator that evacuates the inner tube into a vacuum; and a driving device that drives the inner tube. | 11-13-2014 |
20150126740 | METHOD FOR PRODUCING FARNESAL USING VANADIUM COMPLEX - The present invention provides a method for producing farnesal that is useful as a production intermediate of pharmaceuticals, agricultural chemicals and perfumes. More specifically, the present invention provides a method for producing farnesal (3), comprising reacting (E)-nerolidol (1) with an oxidizing agent in the presence of a vanadium complex of the general formula (2): | 05-07-2015 |
20160176070 | PROCESS FOR THE PREPARATION OF A METAL-ORGANIC COMPOUND | 06-23-2016 |