Patent application number | Description | Published |
20090054587 | EPOXY RESIN, EPOXY RESIN COMPOSITION, AND PREPREG AND LAMINATED PLATE USING THE EPOXY RESIN COMPOSITION - An object of the present invention is to provide an epoxy resin exhibiting superior heat resistance, dielectric properties, water resistance, and workability, a resin composition containing the epoxy resin, and a prepreg and a laminated plate. The epoxy resin of the invention is expressed by the following formula. (In the formula, R represents a hydrocarbon group having a carbon number of 1 to 4. m Represents an integer of 1 to 4 and when m is 2 to 4, R's may be the same or different. n Represents a positive number of 1 to 6 on average.) The epoxy resin composition of the invention contains the epoxy resin of the invention and a curing agent. | 02-26-2009 |
20090117388 | Epoxy Resin, Curable Resin Composition and Cured Product Thereof - Disclosed is a phenol aralkyl epoxy resin having a structure wherein at least a phenol or a naphthol is bound by using an aralkyl group as a linking group and a structure represented by formula (1) below, while satisfying the condition 1 below. This epoxy resin is excellent in workability during production of a composition and is easy to control quality. Condition 1: The following relation (α) is satisfied with A being the hydroxyl equivalent (as measured in accordance with JIS K 0070) of a phenol-modified epoxy resin obtained by adding an equivalent molar amount of phenol relative to the epoxy equivalent of the epoxy resin, and B being the epoxy equivalent of the epoxy resin. 50≦1000×(A−B)/B≦250 (α) | 05-07-2009 |
20090131607 | Epoxy Resin, Epoxy Resin Composition, Photosensitive Resin Composition and Cured Object Obtained Therefrom - [Problems] To provide an epoxy resin giving a cured object having high heat resistance, which is improved in impact resistance and moisture resistance as compared with conventional high-heat-resistance epoxy resins. | 05-21-2009 |
20090286929 | Phenolic Resin, Process for Production Thereof, Epoxy Resin, and Use Thereof - A phenol aralkyl type phenolic resin represented by the general formula (1), wherein the total content of the compounds represented by formulae (2) to (4) is 58 to 92% as determined by GPC and the contents of the compounds represented by formulae (2) to (4) as determined by HPLC satisfy the following relationship: 0.60≦(2 | 11-19-2009 |
20100179353 | Modified Liquid Epoxy Resin as Well as Epoxy Resin Composition Using the Same and Cured Product Thereof - This invention provides a modified liquid epoxy resin having a low viscosity and a high performance, which is obtained by reacting a mixture of a bisphenol and a phenol aralkyl resin with an epiholohydrin. The bisphenol is preferable to be bisphenol F and is further preferable to have a bifunctional form purity as detected by gel permeation chromatography at UV 254 nm of not less than 95% by area in view of the fluidity. Moreover, the mixture of bisphenol and the phenol aralkyl resin is preferable to have a ratio of the phenol aralkyl resin of 10-70% by mass. | 07-15-2010 |
Patent application number | Description | Published |
20090052720 | EARPHONE CONNECTION CABLE AND PORTABLE DEVICE PROVIDED WITH THE SAME - An earphone connection cable and a portable device for suppressing sound signal superposing between an R earphone and an L earphone or between an earphone and a microphone are provided. A connection cable includes an R earphone | 02-26-2009 |
20100066304 | NON-CONTACT CHARGING TYPE BATTERY SYSTEM, CHARGING DEVICE AND BATTERY PACK - It is an object to provide a non-contact charging type battery system capable of easily charging a secondary battery requiring to control a charging voltage. | 03-18-2010 |
20100066305 | CONTACTLESS BATTERY CHARGER, ELECTRONIC DEVICE, BATTERY PACK, AND CONTACTLESS CHARGING SYSTEM - To provide a contactless charging system that provides superior usability and allows for a reduction in power consumption and a safety measure, as well as to provide an electronic device, a contactless charger, and a battery pack for an electronic device which are used in the system. | 03-18-2010 |
20110309792 | ELECTRONIC APPARATUS AND ELECTRONIC APPARATUS CHARGING SYSTEM - An electronic apparatus includes a housing having a predetermined face; a power receiver that receives electric power in a contactless manner by way of the predetermined face; a secondary battery that is charged by electric power received by the power receiver; a front-back detection unit that detects whether or not the predetermined face faces a charger; and an alarm unit that notifies that the predetermined face is situated at a position inappropriate for charging when the front-back detection unit detects that the predetermined face does not face the charger. | 12-22-2011 |
20120091952 | CONTACTLESS CHARGING SYSTEM - Provided is a contactless charging system which can easily position a primary coil in a contactless charging apparatus and a secondary coil in a device to be charged. The contactless charging system ( | 04-19-2012 |
20130057206 | CONTACTLESS BATTERY CHARGER, ELECTRONIC DEVICE, BATTERY PACK, AND CONTACTLESS CHARGING SYSTEM - A contactless charging system is made up of an electronic device and a contactless charger | 03-07-2013 |
20140217968 | CONTACTLESS BATTERY CHARGER, ELECTRONIC DEVICE, BATTERY PACK, AND CONTACTLESS CHARGING SYSTEM - A contactless charging system is made up of an electronic device and a contactless charger | 08-07-2014 |