I.S.T. CORPORATION Patent applications |
Patent application number | Title | Published |
20140011089 | POLYIMIDE PRECURSOR SOLUTION, POLYIMIDE PRECURSOR, POLYIMIDE RESIN, MIXTURE SLURRY, ELECTRODE, MIXTURE SLURRY PRODUCTION METHOD, AND ELECTRODE FORMATION METHOD - The invention addresses the problem of providing a polyimide precursor, a polyimide precursor solution, and a mixture slurry, each capable of more firmly binding active material particles to a current collecting body. The polyimide precursor solution according to the invention contains a tetracarboxylic acid ester compound, a diamine compound having an anionic group, and a solvent. The solvent dissolves the tetracarboxylic acid ester compound and the diamine compound. As the tetracarboxylic acid ester compound, a 3,3′,4,4′-benzophenonetetracarboxylic acid diester is particularly preferred. Examples of the “diamine compound having an anionic group” include 3,4-diaminobenzoic acid, 3,5-diaminobenzoic acid, and m-phenylenediamine-4-sulfonic acid. Further, the mixture slurry according to the invention contains active material particles in the polyimide precursor solution. | 01-09-2014 |
20120241667 | BINDER COMPOSITION FOR ELECTRODES AND ELECTRODE MIX SLURRY - A binder composition for electrodes with greater binding strength that does not inhibit the formation of a stable electrode interface (SEI) on the surface of an active substance is provided. The binder composition for electrodes includes at least one type of tetracarboxylic acid ester compound, at least one type of diamine compound, and an organic solvent. Furthermore, the organic solvent preferably has a boiling point that is 250° C. or less. In addition, the organic solvent preferably has a highest occupied molecular orbital (HOMO) that is −10 eV or less. | 09-27-2012 |
20110309293 | BINDER COMPOSITION FOR ELECTRODES AND ELECTRODE MIX SLURRY - A binder composition for electrodes relating to the present invention includes an ester compound derived from at least one type of tetracarboxylic acid, at least one type of compound having 3 or more amino groups, and an organic solvent. Furthermore, this binder composition for electrodes preferably contains at least one type of diamino compound. In addition, it is preferable to use a solvent with a boiling point ≦250° C. in this binder composition for electrodes. | 12-22-2011 |
20110177230 | MEDICAL GUIDE WIRE AND PROCESS FOR PRODUCTION THEREOF - A medical guide wire ( | 07-21-2011 |
20100285994 | GOLD NANOPARTICLE COMPOSITION, DNA CHIP, NEAR INFRARED ABSORBENT, DRUG CARRIER FOR DRUG DELIVERY SYSTEM (DDS), COLORING AGENT, BIOSENSOR, COSMETIC, COMPOSITION FOR IN VIVO DIAGNOSIS AND COMPOSITION FOR THERAPEUTIC USE - A gold nanoparticle composition is provided that includes a spherical gold nanoparticle and an organic ligand molecule. The organic ligand molecule bonds to the gold nanoparticle. Thus, the gold nanoparticle composition has at least one absorption peak wavelength (plasmon absorption wavelength) within the region of 600-1000 nm. Consequently, the gold nanoparticle composition self-heats when irradiated with electromagnetic waves having a wavelength of 600-1000 nm. | 11-11-2010 |
20100227794 | SMART CONTRAST AGENT AND METHOD FOR DETECTING TRANSITION METAL IONS AND TREATING RELATED DISORDERS - The present disclosure provides smart contrast agents for transition metals and a method of using the same. The smart contrast agents include a core peptide and a first labeling group attached to a first end of the core peptide. The smart contrast agents can also include a second labeling group attached to a second end of the core peptide. The core peptide can bind to transition metals, and can be homologous to a fragment selected from the extended octarepeat region of a prion protein. | 09-09-2010 |
20100193748 | CONDUCTIVE PASTE AS WELL AS CONDUCTIVE COATING AND CONDUCTIVE FILM PREPARED FROM SAME - The task of the present invention is to offer a conductive paste that can be molded into a conductive coating or film that can maintain flexibility and ductility even while possessing a thickness of 50 μm˜125 μm. The conductive paste of the present invention includes a conductive particulate, a metal capture agent and a polyimide precursor solution. The metal capture agent can be selected as at least one from among either pyrimidinethiol compounds, triazinethiol compounds and imidazole compounds with a mercapto group. Moreover, the conductive particulate is preferably a core particle that is covered with a metal shell. In addition, a polyamic acid solution is preferred as the polyimide precursor solution. | 08-05-2010 |
20100140557 | POLYIMIDE PRECURSOR LIQUID COMPOSITION AND POLYIMIDE COATING FILM - A polyimide precursor liquid composition of the present invention includes at least one type of tetracarboxylic dianhydride or derivative thereof, at least one type of diamine or derivative thereof, and a polar polymerization solvent, wherein the polyimide precursor liquid composition further includes a cyclic compound, and wherein the cyclic compound has a boiling point of 200° C. or more and comprises carbon, hydrogen and oxygen atoms. A polyimide coating film of the present invention is obtained by converting the polyimide precursor liquid composition into imide. Thus, the present invention provides a polyimide coating or film that is substantially colorless and transparent, and that is useful as, for example, a heat resistant coating film for liquid crystals, organic electroluminescence, touch panels and solar cells and the like. | 06-10-2010 |
20100129580 | METHOD FOR THE MANUFACTURE OF A CYLINDRICAL LAMINATED BODY, AND LAMINATED BODY - A manufacturing method for the cylindrical laminated body includes superimposing application step, a solvent removal step and an imidization step. In the superimposing application step, a coating material containing fluororesin particles and a polyimide precursor solution are applied in a superimposing manner on a core body. In the solvent removal step, the solvent is removed from the coating material and the polyimide precursor solution. In the imidization step, the polyimide precursor is imidized along with the formation of the coating material into a covering film. | 05-27-2010 |
20100129290 | SMART CONTRAST AGENT AND DETECTION METHOD FOR DETECTING TRANSITION METAL IONS - The present disclosure provides smart contrast agents for transition metals and a method of using the same. The smart contrast agents include a core peptide and a first labeling group attached to a first end of the core peptide. The smart contrast agents can also include a second labeling group attached to a second end of the core peptide. The core peptide can bind to transition metals, and can be homologous to a fragment selected from the extended octarepeat region of a prion protein. | 05-27-2010 |
20100012688 | FOLDING APPARATUS - A mounting member, a rotation mechanism, and a plurality of plate-shaped members are included in a folding apparatus in order to simplify the configuration thereof, to make it easy to perform maintenance and repairs, and to reduce costs. The mounting member is a plate-shaped member wherein a foldable article can be mounted on a first surface so that part of the foldable article hangs down. The rotation mechanism rotates the first surface of the mounting member around an axis included in the first surface. The plurality of plate-shaped shaped members are capable of moving toward the mounting member so as to hold part of the foldable article after part of the foldable article has been positioned in the vicinity of the mounting member due to the mounting member being rotated by the rotation mechanism. | 01-21-2010 |
20090171247 | MEDICAL DEVICE FOR INSERTION INTO THE HUMAN BODY, AND METHOD OF MANUFACTURE - A medical device for insertion into the human body has improved sliding characteristics. The medical device for insertion into the human body includes a substrate having given shape, and an agent for improving the sliding characteristics having a hydrophilic block and a hydrophobic block, and coating the hydrophobic surface. | 07-02-2009 |
20090131884 | MEDICAL DEVICE FOR INSERTION INTO THE HUMAN BODY, AND METHOD OF MANUFACTURE - A medical device for insertion into the human body has improved sliding characteristics. The medical device for insertion into the human body includes a substrate having given shape, and an agent for improving the sliding characteristics having a hydrophilic block and a hydrophobic block, and coating the hydrophobic surface. | 05-21-2009 |