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TEIJIN CHEMICALS LTD.

Tokyo, JP

TEIJIN CHEMICALS LTD. Patent applications
Patent application numberTitlePublished
20120123083POLYESTER CARBONATE COPOLYMER FOR OPTICAL LENS AND OPTICAL LENS - This invention is to provide a polyester carbonate copolymer suitable for an optical lens that has high refractivity and transparency and low birefringence and little optical strain, and optical lenses formed therefrom.05-17-2012
20120094071TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - The present invention provides a transparent electroconductive laminate suitable for use in combination with a display device such as a liquid crystal display, and a transparent touch panel having the transparent electroconductive laminate. The transparent electroconductive laminate comprises a transparent organic polymer substrate 04-19-2012
20120092290TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - The present invention provides a transparent electroconductive laminate having a combination of high transparency, small haze and sufficient lubricity; and a transparent touch panel comprising such a transparent electroconductive laminate. The transparent electroconductive laminate of the present invention comprises a transparent organic polymer substrate which has, on at least one surface thereof, a cured resin layer, and a transparent electroconductive layer in this order, and satisfies the following conditions (a) the cured resin layer contains a resin component and first ultrafine particles having an average primary particle diameter of 1 to 100 nm, (b) the resin component and the first ultrafine particles contain the same metal and/or metalloid element, and (c) in the cured resin layer, the content of the first ultrafine particles is from 0.01 to 3 parts by mass per 100 parts by mass of the resin component, and (d) the cured resin layer has a thickness of 0.01 to 2 μm. The transparent touch panel of the present invention comprises the transparent electroconductive laminate of the present invention.04-19-2012
20120032900TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL USING THE SAME - Provided is a transparent electroconductive laminate which can prevent the occurrence of Newton rings between two transparent electrode substrates constituting a transparent touch panel. Also provided is a transparent touch panel which comprises the transparent electroconductive laminate. A transparent electroconductive laminate (02-09-2012
20120015144TRANSPARENT ELECTROCONDUCTIVE LAMINATE AND TRANSPARENT TOUCH PANEL - Disclosed is a transparent electroconductive laminate which achieves the required transparency or haze characteristic while having a desirable slipperiness in terms of handleability. Further disclosed is a transparent touch panel having said transparent electroconductive laminate. The transparent laminate (01-19-2012
20110298143COPOLYCARBONATE AND OPTICAL LENS - A copolycarbonate having a high refractive index, a small birefringence, high processability and excellent transparency and an optical lens formed from the copolycarbonate.12-08-2011
20110263762POLYLACTIC ACID COMPOSITION AND MOLDED ARTICLE THEREOF - A composition comprising polylactic acid and having excellent heat stability, especially moist heat stability, and a molded article thereof.10-27-2011
20110160364RESIN COMPOSITION, MANUFACTURING METHOD THEREOF, AND MOLDED ARTICLE - To provide a resin composition having high heat resistance with a high melting point and excellent melt stability and hydrolysis resistance, a molded article of the resin composition and a method of manufacturing the resin composition; the resin composition comprises an aromatic polyester (component A) having a butylene terephthalate skeleton as the main constituent unit and polylactic acid (component B) having a melting point of 190° C. or higher.06-30-2011
20100324220RESIN COMPOSITION AND MOLDED ARTICLE - A resin composition comprising an aromatic polyester having a butylene terephthalate skeleton as the main constituent unit (component A), polylactic acid comprising poly(L-lactic acid) and poly(D-lactic acid) (component B), and a modifier (component C), wherein 12-23-2010
20100261828RESIN COMPOSITION - It is an object of the present invention to provide a resin composition which is excellent in flame retardancy and heat resistance and comprises a flame retardant containing no halogen.10-14-2010
20100227963RESIN COMPOSITION, MOLDED ARTICLE, AND PRODUCTION METHODS THEREOF - There are provided a resin composition comprising a polylactic acid which (i) comprises a poly-L-lactic acid (component B-1) and a poly-D-lactic acid (component B-4), (ii) has a weight ratio of the component B-1 to the component B-4 (component B-1/component B-4) of 10/90 to 90/10, and (iii) shows a proportion of melt peaks at 195° C. or higher to all melt peaks in a temperature rising process in measurement by a differential scanning calorimeter (DSC) of at least 20%; a molded article of the resin composition; and methods for producing the resin composition and the molded article.09-09-2010
20100165490LENS AND OPTICAL UNIT INCLUDING THE SAME - It is an object of the present invention to provide a lens having small birefringence, large refraction and excellent transparency and heat resistance and an optical unit including the lens.07-01-2010
20090186168Polycarbonate Resin Film and Manufacturing Process Thereof - A polycarbonate resin film which has an average thickness of 10 to 150 μm, a thickness nonuniformity of 2% or less, a retardation R(589) in the plane of the film measured at a wavelength of 589 nm of 12 nm or less, a retardation Rth(589) in the thickness direction of the film measured at a wavelength of 589 nm of 35 nm or less and is used for optical purposes.07-23-2009
20090103003Foamed Resin Sheet and Liquid Crystal Display - This invention relates to a foamed resin sheet containing closed-cells which have a specific average diameter and a specific volume ratio.04-23-2009

Patent applications by TEIJIN CHEMICALS LTD.