| Dainichiseika Color & Chemicals Mfg. Co., Ltd. Patent applications |
| Patent application number | Title | Published |
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| 20120063777 | OPTICAL PATH SWITCHING SIGNAL TRANSMISSION/RECEPTION APPARATUS AND CORRESPONDING METHOD - An optical path switching type optical signal transmission/reception apparatus includes a one-to-seven compatible optically controlled optical path switching apparatus | 03-15-2012 |
| 20120056166 | Organic semiconductor material, organic semiconductor thin film, and organic thin-film transistor - An organic semiconductor material is represented by the following formula (F): | 03-08-2012 |
| 20120045783 | Method of determining tropomyosin in chitosan - A method capable of easily determining with high accuracy a protein in chitosan, the protein having a potential relevance to the development of an allergy, specifically tropomyosin and the content of the peptide. According to the method, tropomyosin is determined by immunoassay with the chitosan being in a state dissolved in an aqueous solution of an organic acid. The method also provides chitosan, which has a measurement value of the protein, specifically tropomyosin, not higher than a predetermined value as measured by the determination method and is assessed to have only a low risk of inducing the allergy. | 02-23-2012 |
| 20110223529 | AQUEOUS PIGMENT DISPERSION AND APPLICATIONS THEREOF - Disclosed are an aqueous pigment dispersion containing at least a pigment, water, a high-molecular dispersant, and an alkali. The high-molecular dispersant is a diblock polymer having a formula (1) of A-B or a triblock polymer having a formula (2) of A-B-C. The diblock or triblock polymer is a diblock or triblock polymer obtained by polymerizing addition-polymerizable monomers with a radical generator while using an organic iodide as a polymerization initiating compound and an organic phosphorus compound, organic nitrogen compound or organic oxygen compound as a catalyst. Also disclosed are a production method and use of the aqueous pigment dispersion. With the high-molecular dispersant obtained by a simple living radical polymerization process free of the problems of conventional living radical polymerization and having a precisely-controlled molecular structure, the aqueous pigment dispersion can be obtained with the pigment dispersed in it. | 09-15-2011 |
| 20110136965 | PIGMENT DISPERSIONS, BLOCK POLYMERS AND MANUFACTURING METHOD THEREFOR - Disclosed is a pigment dispersion containing at least a pigment, a liquid medium and a high-molecular dispersant. The high-molecular dispersant is a block polymer represented by A-B or A-B-C, in which A, B and C each represent a polymer block and the A and C blocks may be the same or different. The block polymer and its production process are also disclosed. The high-molecular dispersant is free of problems of a smell, coloration, a heavy metal and cost, and its use can provide a pigment dispersion excellent in the dispersion stability of a pigment. | 06-09-2011 |
| 20110091771 | COATING LIQUID, COATING LIQUID FOR MANUFACTURING ELECTRODE PLATE, UNDERCOATING AGENT, AND USE THEREOF - This invention relates to a coating formulation, a coating formulation for manufacturing an electrode plate and an undercoating formulation, and their use. These coating formulations are all characterized by containing, in a polar solvent, a hydroxyl-containing resin and an organic acid and/or a derivative thereof. The hydroxyl-containing resin is at least one of (1) a polyvinyl acetal resin, (2) an ethylene-vinyl alcohol copolymer, (3) a modified and/or unmodified polyvinyl alcohol, and (4) a cyanoethyl-containing polymer. According to the present invention, there is provided a coating formulation capable of forming a coating of excellent adhesion and solvent resistance on a surface of a metal material such as an aluminum material. Also provided are a coating formulation for manufacturing an electrode plate for a battery or a polarizable electrode plate for a capacitor, in which an active material layer has excellent adhesion to a collector made of an aluminum foil, copper foil or the like and is also equipped with excellent electrolyte resistance and improved contact resistance to the collector, an undercoating formulation, the electrode plate and its manufacturing process, the battery, and the capacitor. | 04-21-2011 |
| 20110081478 | Organic electroluminescent element and manufacturing method thereof - An method for manufacturing an organic electroluminescent element, the method including a positive electrode and a glass substrate sequentially laminated on one side of a light-emitting layer and a negative electrode formed on the other side of the light-emitting layer. The organic electroluminescent element has a functional layer which is formed by causing gas molecules of at least one type of compound selected from the group consisting of dyes and charge transport materials to contact and penetrate a π conjugated organic polymer compound. | 04-07-2011 |
| 20100315733 | DISPERSING AGENT FOR ORGANIC PIGMENT AND USE THEREOF - This invention relates to a dispersant for an organic pigment comprising a compound represented by the below-described formula (1) or (2), and also to its use. According to the present invention, it is possible to provide a dispersant or the like, which can afford a coating formulation for a color filter. The coating formulation is prevented from an increase in viscosity and a reduction in storage stability even when the concentration of a pigment is high, and can fabricate the color filter with excellent transparency and color quality. | 12-16-2010 |
| 20100292412 | Process for production of molded polyester resin article, crystallization inducer for use in the process, master batch, and molded polyester resin article - This invention provides a process for producing a crystallized polyester resin molding. The process includes melting and injecting the below-described first or second compound (a) or (b) into a mold and holding the same in the mold, and then conducting cooling to crystallize a polyester resin of a resulting molding without using an inorganic nucleating agent: (a) a first compound of a crystallization-inducing crosslinked polyester resin, in at least a portion of which crosslinked points have been formed with a crosslink forming agent, and a first non-crosslinked polyester resin; or (b) a second compound of a crystallization-inducing master batch, which comprises the crosslinked polyester resin and a second non-crosslinked polyester resin and abundantly contains the crosslinked polyester resin, and the first non-crosslinked polyester resin. According to the present invention, a crystallized polyester resin molding free from impairment of translucency or transparency can be produced without using an inorganic nucleating agent that would produce haze in the molding. | 11-18-2010 |
| 20100291359 | Coloring composition, method for production thereof, and coloring method - The present invention provides an image-recording/pixel-forming coloring composition containing a phthalocyanine type colorant having at least one group selected from alkyl and alkyloxy groups (alkylphthalocyanine type colorant). According to the present invention, there can also be provided a coloring composition containing a phthalocyanine type colorant capable of exhibiting excellent properties when used as an image-recording coloring composition or pixel-forming coloring composition, production processes of the phthalocyanine type colorants, a coloring method, and the like. | 11-18-2010 |
| 20100291306 | Hydroxyalkylated Chitosan Solution - This invention relates to hydroxyalkylated chitosan solution characterized in that a hydroxyalkylated chitosan and an organic acid or its derivative are contained in an aprotic polar solvent. This invention also relates to a coating process of a substrate, which is characterized by a step of causing the hydroxyalkylated chitosan solution to adhere onto a surface of the substrate, and another step of heating the substrate, which has been obtained in the first-mentioned step, at 100° C. or higher for 1 second or longer. This invention can provide a one-pack solution of a chitosan derivative, which is free from crosslinking and stable at room temperature, can form a chitosan coating excellent in waterproofness after heated and dried, and is suited for the coating of a hydrophobic or lipophilic surface. This invention also provides a coating process of a substrate, which makes use of the one-pack solution. | 11-18-2010 |
| 20100265568 | THERMAL LENS FORMING ELEMENT - A thermal lens forming element includes a first chamber serving as a control light absorbing region, which is configured as a columnar body or an N prismatic body (wherein N is an integer equal to or greater than 4) circumscribing the columnar body and filled with a control light absorbing dyestuff solution containing a solvent having a viscosity of 0 to 3 mPa·s at 160° C. or above and a ratio of the viscosity of the solvent at 160° C. to a viscosity of the solvent at 40° C. not less than 1 and not greater than 6, wherein the columnar body or the N prismatic body circumscribing the columnar body has a central axis coinciding with an optical axis of incident signal light. The first chamber is connected to a second chamber via a solution channel and a dam. The dyestuff solution and a bubble of an inert gas are confined in the second chamber. | 10-21-2010 |
| 20100245960 | Optical deflection method and optical deflection apparatus - An optical deflection apparatus includes a signal light source configured to emit signal light having one or more wavelengths, a control light source configured to emit control light having a wavelength different from the wavelength of the signal light, a thermal lens forming optical element including a light absorption layer configured to transmit the signal light and selectively absorb the control light, and a beam-condensing unit configured to cause beam-condensation of the control light and the signal light at different convergence points in the light absorption layer. The thermal lens forming optical element causes convergence and divergence of the control light and the signal light on an incidence plane of the light absorption layer or its vicinity in a light traveling direction, wherein a thermal lens is reversibly formed in the light absorption layer due to a temperature increase occurring in a region where the control light is absorbed and its peripheral region, and the thermal lens changes a refractive index to change a traveling direction of the signal light. | 09-30-2010 |
| 20100233105 | Composite spherical polymer particles and their production process, and cosmetics using the same - Composite spherical polymer particles contain a nanoparticulate pigment having an average primary particle size of from 0.1 to 0.005 μm, a high molecular dispersant having adsorptive property to the nanoparticulate pigment, and a (meth)acrylic resin. The nanoparticulate pigment is enclosed in a dispersed state in the high molecular dispersant and (meth)acrylic resin. The content of the nanoparticulate pigment ranges from 5 to 70 wt % based on the composite spherical polymer particles. The composite spherical polymer particles have an average particle size of from 1 to 20 μm. A production process of the composite spherical polymer particles and cosmetics containing the composite spherical polymer particles are also disclosed. | 09-16-2010 |
| 20100120974 | COPOLYMER AND USE THEREOF - This invention relates a copolymer (D) containing (A) methacrylic polymer units each having, at an end thereof, at least one group represented by the below-described formula (1) and (B) units of an aromatic vinyl monomer, wherein a weight ratio (A:B) of the units (A) to the units (B) is A:B=5 to 95:95 to 5; and its use. The present invention can provide inter alia a copolymer useful as a pigment dispersant or the like capable of affording pigment dispersions useful for inkjet inks, colors for color filters, and other applications. | 05-13-2010 |
| 20100065794 | Pigment compositions, colored compositions making use of the pigment compositions, and color filters - Pigment compositions each contain an organic pigment and at least one compound selected from compounds represented by the following formula (II), respectively: | 03-18-2010 |
| 20100062262 | AQUEOUS SOLUTION COMPOSITION - This invention relates to a composition characterized by containing, as essential components, deacetylated chitin and/or a deacetylated chitin derivative, and glyoxylic acid; a solution-containing gel formed from the composition; a water-insoluble chitosan coating; and a material obtained by treating a base material with the composition. According to the present invention, it is possible to provide a chitosan composition, which in a “one-pack” form, has a pot life. Even when dried at room temperature after coating or impregnation of a base material, the chitosan coating can be water-insolubilized with reduced yellowing. | 03-11-2010 |
| 20100048886 | PROCESS FOR PRODUCING SILYLATED PULLULAN AND COSMETIC PREPARATION - The present invention provides a process for producing silylated pullulan, which features reacting pullulan with N,O-bistrimethylsilylacetamide by using, as a reaction medium, only one of N-methyl-2-pyrrolidone and N-ethyl-2-pyrrolidone or a mixed solvent of both of them. Compared with conventional processes, the process according to the present invention can produce high-purity silylated pullulan simply, easily and efficiency. | 02-25-2010 |
| 20100036060 | ELECTROLYTE COMPOSITIONS - Ion-conducting (co)polymer media and ion-conducting oligomer media close in ion conductivity to organic-solvent-based electrolytes can be produced easily and safely on industrial scale. These ion-conducting (co)polymer media use (co)polymers containing at least one cyclocarbonato group, and these ion-conducting oligomer media employ oligomers containing at least two cyclocarbonato groups. | 02-11-2010 |
| 20090258251 | Pearlescent Pigment, Process for Producing the Same, Coating Composition and Multilayered Coat - This invention relates to a pearlescent pigment, which is composed of flaky alumina substrate particles produced by a hydrothermal process and coat layers formed on the flaky substrate particles and composed of at least one metal oxide including at least a titanium oxide. The metal oxide has an average particle size of from 1 to 500 nm. According to this invention, it is possible to provide a pearlescent pigment, which has wholly uniform photoluminescence and an elegant and silky feel in combination and can fully satisfy artistry as desired. | 10-15-2009 |
| 20090257171 | Coating Liquid for Manufacturing Electrode Plate, Undercoating Agent, and Use Therof - This invention relates to a coating formulation for manufacturing an electrode plate, which contains a solution of a hydroxyalkylchitosan and an organic acid and/or its derivative in an aprotic polar solvent, and an active material added to the solution and kneaded with the solution, the electrode plate, a manufacturing process of the electrode plate, a battery, a capacitor, and an undercoating formulation. According to this invention, a coating formulation for manufacturing an electrode plate for a nonaqueous electrolyte secondary battery or an electrode plate for an electric double layer capacitor having excellent adhesion and improved contact resistance between an active material layer and a collector, the electrode plate, its manufacturing process, the battery and the capacitor can be provided. | 10-15-2009 |
| 20090075821 | PLANT GROWTH REGULATOR AND A METHOD OF PRODUCIDNG THE REGULATOR - A plant growth regulator and a method for preparation thereof are provided; the plant growth regulaor comprises cinnamic acid as an active component, wherein cinnamic acid is dissolved or dispersed in an aqueous medium in high concentrations. The regulator prevents useless growth of young plants such as seedlings or nursery plants, and useless growth of potted plants (Bonsai); namely it is effective for dwarfing a plant; it can improve the quality of gardening plants and horticultural or agricultural yields. Since cinnamic acid is a naturally occurring substance, the plant growth regulator comprising the acid has high concern for environment and no problems in safety and health of human bodies. | 03-19-2009 |
| 20090075018 | COLORED POLYAMIDE FIBER AND PROCESS FOR PRODUCING THE SAME - A colored polyamide fiber composed of a polyamide resin, a pigment, a coupling agent and a compound represented by the following formula I: | 03-19-2009 |
| 20090022453 | Optical Deflection Method and Optical Deflection Apparatus - An optical deflection apparatus includes a signal light source configured to emit signal light having one or more wavelengths, a control light source configured to emit control light having a wavelength different from the wavelength of the signal light, a thermal lens forming optical element including a light absorption layer configured to transmit the signal light and selectively absorb the control light, and a beam-condensing unit configured to cause beam-condensation of the control light and the signal light at different convergence points in the light absorption layer. The thermal lens forming optical element causes convergence and divergence of the control light and the signal light on an incidence plane of the light absorption layer or its vicinity in a light traveling direction, wherein a thermal lens is reversibly formed in the light absorption layer due to a temperature increase occurring in a region where the control light is absorbed and its peripheral region, and the thermal lens changes a refractive index to change a traveling direction of the signal light. | 01-22-2009 |
| 20080314292 | Pigment dispersants, their production process, and their use - A pigment dispersant contains (a) 5 to 30 wt % of aromatic and/or heterocyclic vinyl monomer units, (b) 10 to 30 wt % of monomer units having acid groups, (c) 40 to 80 wt % of (meth)acrylate ester monomer units, and (d) 5 to 30 wt % of monomer units having poly(C | 12-25-2008 |
| 20080255931 | Print Ink System and Print Method Used For Print 'It' Shopping-Linked Printed Matter and Print 'It' Shopping-Linked Printed Matter - There is provided a print ink system used for printing “a print IT shopping-linked printed matter” used in a commodity sales method in which a commodity can be ordered by converting a commodity information image in an imaged partition into an electric signal and transmitting it via a predetermined network, and by replying the order of the commodity, the order for the commodity is received and the commodity is sent, and furthermore, charging for the commodity cost is performed. The print ink system uses a combination of a print ink (a) for printing “a visible image of a commodity” (A) and a print ink (b) for printing “a commodity information code” (B). | 10-16-2008 |
