Patent application number | Description | Published |
20100075154 | POLYMERIZABLE COMPOSITION FOR OPTICAL MATERIAL, OPTICAL MATERIAL, AND METHOD FOR PREPARING THE OPTICAL MATERIAL - The polymerizable composition for an optical material of the present invention comprises a phenylene diisocyanate, at least one polythiol compound selected from the group consisting of 4-mercaptomethyl-1,8-dimercapto-3,6-dithiaoctane, 4,8-, 4,7- or 5,7-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaundecane, 2,5-bis(mercaptomethyl)-1,4-dithiane, bis(mercaptoethyl)sulfide, 1,1,3,3-tetrakis(mercaptomethylthio)propane, 4,6-bis(mercaptomethylthio)-1,3-dithiane, 2-(2,2-bis(mercaptomethylthio)ethyl)-1,3-dithietane, 1,1,2,2-tetrakis(mercaptomethylthio)ethane 3-mercaptomethyl-1,5-dimercapto-2,4-dithiapentane and tris(mercaptomethylthio)methane. | 03-25-2010 |
20110065884 | POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, POLYTHIOURETHANE RESIN OBTAINED FROM THE COMPOSITION, AND PROCESS FOR PRODUCING THE RESIN - By using an amine hydrochloride represented by the formula (1) as a catalyst, a polythiourethane resin which is suitably used for a transparent resin for optical use, can be obtained without using an organotin compound which has been conventionally used as a catalyst for polythiourethane resins and without being affected by the acidity of an additive: | 03-17-2011 |
20130005934 | Polymerizable Composition, and Resin and Optical Part Using the Same - A polymerizable composition including a compound represented by following General Formula (1): | 01-03-2013 |
20130018169 | Metal Thietane Compound, Polymerizable Composition Containing the Compound, Resin and Use of the Resin - Polymerizable compositions containing at least one metal thietane compound represented by general formulas (110), (201) or (120), respectively, wherein said formulas are as follows: | 01-17-2013 |
Patent application number | Description | Published |
20090124785 | Process for production of isocyanate, isocyanate produced by the process, and use of the isocyanate - An isocyanate has been widely used as a starting material for the production of a polyurethane material, a polyisocyanurate material or the like which is suitably applicable to the field of optical materials. Disclosed is a process for producing an isocyanate which includes a step for producing the isocyanate in the form of a hydrochloride with improved productivity. A process for producing a linear or cyclic aliphatic isocyanate comprising the step of reacting a linear or cyclic aliphatic amine with hydrogen chloride to yield a hydrochloride of the linear or cyclic aliphatic amine, the step being performed under a pressure higher by 0.01 MPa or more than the atmospheric pressure. | 05-14-2009 |
20100016517 | POLYMERIZATION CATALYST FOR POLYTHIOURETHANE-BASED OPTICAL MATERIAL, POLYMERIZABLE COMPOSITION CONTAINING THE CATALYST, OPTICAL MATERIAL OBTAINED FROM THE COMPOSITION, AND METHOD FOR PREPARING THE OPTICAL MATERIAL - The polymerization catalyst for a polythiourethane-based optical material of the present invention includes a sulfonate represented by the following general formula (1). Furthermore, in the formula, R | 01-21-2010 |
20100029890 | POLYMERIZATION CATALYST FOR POLYTHIOURETHANE OPTICAL MATERIAL, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, POLYTHIOURETHANE RESIN OBTAINED FROM THE COMPOSITION, AND PROCESS FOR PRODUCING THE RESIN - By using an amine hydrochloride represented by the formula (1) as a catalyst, a polythiourethane resin which is suitably used for a transparent resin for optical use, can be obtained without using an organotin compound which has been conventionally used as a catalyst for polythiourethane resins and without being affected by the acidity of an additive: | 02-04-2010 |
20100234498 | INTERNAL MOLD RELEASE AGENT FOR PRODUCTION OF POLYTHIOURETHANE OPTICAL MATERIAL - Disclosed is an internal mold release agent for the production of polythiourethane optical materials, which is obtained by mixing an acidic phosphate ester compound and at least one metal selected from the group consisting of Zn, Cu, Fe, Ga, Bi, Al and Zr. The internal mold release agent for the production of polythiourethane optical materials contains the metal in an amount of 0.01 to 20 weight %. | 09-16-2010 |
20100240862 | METAL THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE COMPOUND, RESIN AND USE OF THE RESIN - Disclosed is a metal thietane compound represented by the following general formula (120), | 09-23-2010 |
20100298519 | POLYMERIZABLE COMPOSITION, AND RESIN AND OPTICAL PART USING THE SAME - A polymerizable composition including a compound represented by following General Formula (1): | 11-25-2010 |
20110118412 | THIETANE COMPOUND, POLYMERIZABLE COMPOSITION CONTAINING THE SAME, RESIN, METHOD FOR PRODUCING THE RESIN, AND USE OF THE POLYMERIZABLE COMPOSITION AND THE RESIN - A thietane compound represented by the following formula (30): | 05-19-2011 |
20110190466 | POLYMERIZABLE COMPOSITION FOR POLYTHIOURETHANE OPTICAL MATERIAL - A polymerizable composition for polythiourethane optical materials comprising a compound represented by the general formula (1), | 08-04-2011 |
20120040418 | METHOD FOR PRODUCING 3-MERCAPTOPROPIONIC ACID OR SALT THEREOF - The present invention provides is a method for producing 3-mercaptopropionic acid from 3-mercaptopropionamide or a salt thereof with the use of an amidase. The method enables the production of 3-mercaptopropionic acid on an industrial scale through an enzymatic reaction. | 02-16-2012 |
Patent application number | Description | Published |
20100201856 | SOLID-STATE IMAGING APPARATUS, IMAGING SYSTEM, AND DRIVING METHOD OF IMAGING APPARATUS - The present invention reduces differences in the influence of electric charge leakage from a non-read out region into multiple read out regions adjacent to a non-read out region. Reset scanning of that row in the non-read out region which adjoins the first or second read out region is started before read out scanning of the first and second read out regions. | 08-12-2010 |
20110285887 | IMAGE PICKUP APPARATUS, IMAGE PICKUP SYSTEM, AND DRIVING METHOD OF IMAGE PICKUP APPARATUS - In a conventional image pickup apparatus, a plurality of reset methods for resetting a photodiode cannot be set. A row selection unit is provided with a first storage unit for storing an address of a read row, a second storage unit for storing an address of a shutter row, and further a third storage unit for storing an address of a row in which potential of photodiode is fixed. | 11-24-2011 |
20120314097 | IMAGING DEVICE AND IMAGING SYSTEM - An imaging device comprising an imaging unit that outputs digital data of a pixel value indicating one of colors for each pixel and a conversion unit that outputs from ports I pieces of the digital data that has been input from the imaging unit in a first mode and output from part of the ports J (J | 12-13-2012 |
20130063632 | FOCUS DETECTING APPARATUS AND DRIVING METHOD THEREFOR - A focus detecting apparatus, comprising a first pair of sensor blocks each including a sensor unit and a detection unit, and a power supply unit configured to supply power to the detection unit, wherein when one of the first pair of sensor blocks operates in a first mode, the other operates in a second mode, the detection unit of the sensor block operating in the first mode detects an output of the sensor unit, the sensor unit of the sensor block operating in the second mode accumulates charges and terminates the charge accumulation operation in response to the detection operation, and the power supply unit shuts off power supply to the detection unit of the sensor block operating in the second mode for at least part of the period of time during the operation in the second mode. | 03-14-2013 |
20130063633 | SEMICONDUCTOR DEVICE - A semiconductor device includes a pair of sensor units each of which includes a photoelectric conversion unit, a signal holding unit and a transfer unit, and outputs a signal held by the signal holding unit, comprising a control unit including a detector unit, wherein when one of the pair of sensor units operates in a first mode, the other operates in a second mode, the detector unit detects that the output has reached a predetermined value after the one starting a signal transfer, the one ends the signal transfer in response to the detection and determines the held signal, the control unit generates a control signal after that, and the other in the second mode accumulates generated charges and starts a signal transfer in accordance with the control signal, then ends the signal transfer and determines the held signal. | 03-14-2013 |
20130120011 | SEMICONDUCTOR DEVICE AND METHOD OF DRIVING THE SAME - A semiconductor device including a plurality of sensor units and a plurality of storage units, the device comprising a controller which in a normal mode, sets first control information based on outputs from the plurality of sensor units, stores the first control information in the plurality of storage units, and accumulates charges in each of the plurality of sensor units up to a reference defined in the corresponding first control information, and in a test mode, stores second control information for tests determined in advance in the plurality of storage units, accumulates charges in each of the plurality of sensor units up to a reference defined in the corresponding second control information, and tests the plurality of sensor units based on the amounts of charges accumulated in the plurality of sensor units. | 05-16-2013 |
20130202281 | FOCUS DETECTION APPARATUS AND METHOD FOR CONTROLLING THE SAME - A focus detection apparatus that performs a first determination for determining whether a signal level indicating an amount of the electric charges accumulated in the photoelectric conversion element has reached a lower threshold, and a second determination for determining whether the signal level has reached a higher second. During a time period from when it is determined that the signal level has reached the lower threshold to when it is determined that the signal level has reached the higher threshold, the second determination is performed at a shorter time interval if an elapsed time from when the accumulation of the electric charges is started to when it is determined that the signal level has reached the first threshold is shorter than a reference time, and at a longer time interval if the elapsed time is longer than the reference time. | 08-08-2013 |
20140078377 | FOCUS DETECTION APPARATUS - A focus detection apparatus for performing phase difference detection type focus detection includes sensor units each configured to generate a signal used for detecting a phase difference, a setting unit configured to set one or more sensor units as determination targets, a determination unit configured to sequentially select a sensor unit from the determination targets, and repeatedly determine whether a signal generated by the selected sensor unit satisfies a termination condition of having a peak value greater than a threshold, and a detection unit configured to perform focus detection using the signal that satisfies the termination condition. The apparatus operates in a first mode and then shift to a second mode. The setting unit includes, in the determination targets in the second mode, a sensor unit that is not included in the determination targets in the first mode. | 03-20-2014 |