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| Number | Title | Issue Date |
| 7806974 | Highly conductive ink composition and method for fabricating a metal conductive pattern A viscosity controllable highly conductive ink composition. The highly conductive ink composition comprises an organic solvent, nanoscale metal particles or metallo-organic decomposition compounds, and a thermally decomposable organic polymer. Specifically, since th... | 10/05/2010 |
| 7722711 | Image-forming recording liquid and image-forming device An image-forming recording liquid according to the invention contains magnetic polymer particles and a dispersion medium for dispersing the magnetic polymer particles. The magnetic polymer particles contain a magnetic powder and a polymeric compound. The polymeric c... | 05/25/2010 |
| 7442289 | Amperometric biosensor in thick film technology Described is an amperometric biosensor in thick film technology for the detection an/or determination of substances undergoing enzyme catalyzed reactions, especially glucose or lactate, comprising an inert carrier material, at least one transducer layer exhibiting a... | 10/28/2008 |
| 7294289 | Conductive powder and method for preparing the same Disclosed are conductive powder having a packing density of 68% by volume or more with a relative value preferably comprising 60 to 92% by weight of roughly spherical and silver-plated copper powder part of the surface of which has been coated with 3 to 30% by weigh... | 11/13/2007 |
| 7211205 | High conductivity inks with improved adhesion Conductive ink compositions which can be cured to highly conductive metal traces by means of “chemical welding” include adhesion promoting additives for providing improved adhesion of the compositions to various substrates. ... | 05/01/2007 |
| 7189341 | Electrochemical sensor ink compositions, electrodes, and uses thereof The invention is directed to conductive polymer compositions, catalytic ink compositions (e.g., for use in screen-printing), electrodes produced by deposition of an ink composition, as well as methods of making, and methods of using such compositions and electrodes.... | 03/13/2007 |
| 7186665 | Production of low-temperature fuel cell electrodes A process for the production of electrodes for fuel cells includes applying an ink consisting of a mixture of at least a carbon powder, an ion-conducting polymer and a fluid, the fluid containing at least 3% of an alkanediol, and a fuel cell electrode which can be o... | 03/06/2007 |
| 7141185 | High conductivity inks with low minimum curing temperatures Conductive ink compositions which can be cured to highly conductive metal traces by means of “chemical welding” include additives which reduce the curing temperatures for use with low-temperature substrates. Conductive ink compositions can be deposited on a subs... | 11/28/2006 |
| 7023687 | High energy density capacitors Capacitors having an inert porous shaped body onto which a first electrically conductive layer, a second layer of barium titanate and a further electrically conductive layer have been applied. ... | 04/04/2006 |
| 6902841 | Hydrophobic fuel cell electrode An electrode for an electrochemical fuel cell is provided. More particularly, an electrode formed of a sheet of a compressed mass of expanded graphite particles having a plurality of transverse fluid channels passing through the sheet between first and second oppose... | 06/07/2005 |
| 6893489 | Physical colored inks and coatings A coating, such as ink or paint, is used, where particles in the coating are selected based on electric, magnetic, or light/photo properties, and are dispersed in the coating to provide a desired physical color. In one approach, the application of the coating to the... | 05/17/2005 |
| 6800763 | Reactive thienothiophenes The invention relates to reactive thienothiophenes, their use as semiconductors or charge transport materials, in optical, electrooptical or electronic devices like for example organic field effect transistors (FET or OFET) for thin film transistor liquid crystal di... | 10/05/2004 |
| 6695980 | Compressed fluid formulation containing electroluminescent material An imaging composition comprises a mixture of a fluid and a functional material; wherein the fluid is compressed and the functional material is an electroluminescent material which is dissolved, dispersed and/or solubilized in the compressed fluid; and wh... | 02/24/2004 |
| 6645401 | Conjugated copolymers of dithienothiophene with vinylene or acetylene Conjugated copolymers of dithienothiophene with vinylene or acetylene are suitable for use as semiconductors or charge transport materials in optical, electrooptical or electronic devices including field effect transistors, electroluminescent, photovoltai... | 11/11/2003 |
| 6632472 | Redispersable latex comprising a polythiophene A redispersible or soluble product, optionally having a solids content higher than 10% by weight, obtainable by freeze drying an aqueous dispersion of a latex comprising a polyanion and a polymer or copolymer of a substituted or unsubstituted thiophene; a... | 10/14/2003 |
| 6630081 | Process for producing gas diffusion electrode material A process for producing a reaction layer material or gas feed layer material for a gas diffusion electrode, which comprises the steps of: dispersing a gas diffusion electrode raw material excluding polytetrafluoroethylene in to an organic solvent to prepa... | 10/07/2003 |
| 6624240 | Low molecular weight polyurethane resins Disclosed is a polyurethane resin having a number average molecular weight of up to 5,000 which is prepared by reacting a diisocyanate compound with at least one monomer diol compound and optionally a polymer diol compound without a chain extender to form... | 09/23/2003 |
| 6623787 | Method to improve the stability of dispersions of carbon A method for preventing a carbon dispersion from increasing in viscosity during use is described. The dispersion comprises graphite particles or carbon black particles or a combination of both dispersed in a fluid. The method involves lowering the suscept... | 09/23/2003 |
| 6589685 | Fuel cell electrode catalyst solution and production method therefor The invention improves operability in forming a catalyst electrode, and improves performance of a fuel cell. A catalyst-loaded carbon is dispersed in a mixed solution of an azeotropic solvent and ion exchanged water. An electrolyte solution is added to th... | 07/08/2003 |
| 6537359 | Conductive ink or paint The invention relates to a deformable, electrically conductive ink or paint. When the ink or paint is applied to a substrate in the form of a particular pattern, this pattern will also be electrically conductive after deformation. The invention also relat... | 03/25/2003 |
| 6537510 | Conductive pigment powder and transparent conductive film formed by using the same One embodiment of the present invention provides a conductive pigment powder, which includes indium oxide, tin and gold, and having a purple color tone. Other embodiments of the present invention provide a method of producing a conductive pigment powder; ... | 03/25/2003 |
| 6531304 | Method for modifying the dispersion characteristics of metal organic-prestabilized or pre-treated nanometal colloids The present invention relates to a process for modifying the dispersing properties of organometallic-prestabilized or organometallic-pretreated nanometal colloids by reacting reactive metal-carbon bonds in the protective shell to prepare nanometal colloid... | 03/11/2003 |
| 6372030 | Phase change inks Disclosed is an ink composition comprising (a) an ink vehicle selected from 4-(hexadecylamino)benzylamine, N-octanoyl-N-methyl glucamine, octanoic hydrazide, 4-hexadecyl sulfonyl aniline, or mixtures thereof, (b) a conductive complex of (i) an amine compo... | 04/16/2002 |
| 6322620 | Conductive ink composition A thermoset conductive ink for use in through hole interconnections or similar electric and electronic applications to provide stable electrical connections. The conductive ink of this invention comprises a thermal curable resin system having an admixing ... | 11/27/2001 |
| 6245139 | Electrostatic deposition A deposition material for an electrostatic deposition apparatus such as an ink for an electrostatic ink jet printer, the material comprising a carrier liquid having insulative properties, a charging agent which is soluble in the carrier liquid, and a char... | 06/12/2001 |
| 6187083 | Conductive inks containing sulfonate salts Disclosed is an ink composition comprising (a) an ink vehicle which is selected from (i) 1,3-dialkyl ureas, (ii) N,N'-ethylene bisalkylamides, (iii) N-[4-chloro-3-[4,5-dihydro-5-oxo-1-(2,4,6-trichlorophenyl)-1H-pyrazol-3-yl amino] phenyl]-2-(1-octadec... | 02/13/2001 |
| 6176909 | Conductive inks containing pyridine compounds Disclosed is an ink composition comprising (a) an ink vehicle which comprises a conductive pyridinium compound having a melting point of no lower than about 60° C. and no higher than about 155° C., (b) a viscosity modifier which is a pyridine compound, ... | 01/23/2001 |
| 6156449 | Catalyst layer for polymer electrolyte fuel cells A catalyst layer on a substrate material which contains a proton-conducting polymer (ionomer), electrically conductive carbon particles and fine particles of at least one precious metal. The catalyst layer is obtainable by coating the substrate material w... | 12/05/2000 |
| 6120588 | Electronically addressable microencapsulated ink and display thereof We describe a system of electronically active inks which may include electronically addressable contrast media, conductors, insulators, resistors, semiconductive materials, magnetic materials, spin materials, piezoelectric materials, optoelectronic, therm... | 09/19/2000 |
| 6099630 | Ink composition, rewritable display medium and method for displaying images The present invention discloses an ink composition which includes (1) the first ink containing the first solvent and the first colored particles having an affinity for the first solvent and dispersed in the first solvent and (2) the second ink containing ... | 08/08/2000 |
| 6031020 | Cancellation of micr-readable documents by application of an ink containing magnetic particles The present invention is directed to the deliberate cancellation of MICR-readable documents by applying a penetrating ink through the MICR line of the document wherein the ink contains magnetic particles which disrupt the reading of the MICR line by the M... | 02/29/2000 |
| 5858595 | Magnetic toner and ink jet compositions Low optical density magnetic fluid which is a stable dispersion of fine magnetic particles. A method of forming the stable dispersion which includes providing an ion exchange resin, loading the ion exchange resin with an ion capable of forming a magnetic ... | 01/12/1999 |
| 5843329 | Magnetic paint or ink additive Magnetic paint or ink additives are formulated from ferromagnetic particles, preferably iron powder, having a mixed particle range of from about 0.01μ to about 297μ, and preferably to about 250M and more, preferably from about 0.01μ to about 37 to 44μ... | 12/01/1998 |
| 5792380 | Ink jet printing ink composition with detectable label material An ink jet printing ink composition is disclosed for use with an ink jet printing apparatus comprising a printhead, an ink delivery system adapted to provide the ink to the printhead, and a sensor associated with the ink delivery system adapted to produce... | 08/11/1998 |
| 5716437 | Materials for use in electrode manufacture An improved ink material, particularly for use in printing processes and its use in improved manufacturing processes for higher performance electrodes for application in fuel cells and other electrochemical devices is disclosed.... | 02/10/1998 |
| 5298063 | Novel electrochromic compositions based on diketopyrrolopyrroles Compositions containing (a) at least one 1,4-diketopyrrolo[3,4-c]pyrrole of the formula I, II, IIa, III or IV ##STR1## and (b) an auxiliary redox system from the ferrocyanide, ferrocene or ammonium iron(II) sulfate series in combination with at leas... | 03/29/1994 |
| 5250207 | Magnetic ink concentrate A magnetic ink concentrate essentially consisting of a dispersion of superparamagnetic solid particles in water or alcohol in the presence of a dispersant, and a process for its preparation.... | 10/05/1993 |
| 5100468 | Image recording ink An ink which can cause a change in its adhesiveness by an electrochemical reaction is obtained by impregnating a crosslinked substance such as polyvinyl alcohol with a liquid dispersion medium comprising an organic solvent having a relative dielectric con... | 03/31/1992 |
| 5099090 | Circuit writer An apparatus and method are disclosed for preparing electrically conductive traces on a circuit board using an additive technology. The traces are directly written in a serial process with each trace being able to be individually insulated. The apparatus ... | 03/24/1992 |
| 5062891 | Metallic inks for co-sintering process Metallization, applied by the thick film screening technique, utilized herein has glass-ceramic bonding agents designed to promote adhesion yet maintain the desired electrical properties and post-processing characteristics.... | 11/05/1991 |
