| Patent application number | Description | Published |
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| 20090216034 | PROCESS FOR PRODUCING OLEFIN OXIDE - There is disclosed a process for producing an olefin oxide characterized by contacting an olefin and oxygen, in the presence of water and a halogen compound, with a silver catalyst, wherein the silver catalyst is a silver catalyst that is obtainable by contacting metal silver, a silver compound or a mixture of both with an alkaline earth metal carbonate and that has an alkali metal content of 1,500 ppm or less based on the total weight of the silver catalyst | 08-27-2009 |
| 20090326250 | METHOD FOR PRODUCING PROPYLENE OXIDE - A method for producing propylene oxide according to the present invention comprises a step of reacting propylene with oxygen in the presence of water, a halogen compound, and a silver catalyst containing alkaline earth metal carbonate as a support, the silver catalyst having 10 μmol/g or more oxygen adsorption capacity. This provides an industrially advantageous method for producing olefin oxide. | 12-31-2009 |
| 20110021795 | PRODUCION METHOD OF PROPYLENE OXIDE - A production method of propylene oxide, wherein hydrogen, oxygen and propylene are reacted by a multistep process in a mixed solvent of acetonitrile and water, in the presence of a layered precursor of Ti-MWW and a catalyst comprising palladium supported on a carrier. | 01-27-2011 |
| 20110046417 | PROCESS FOR PRODUCTION OF ALKOXYCARBONYL COMPOUND - A method for producing an alkoxycarbonyl compound wherein the method comprises reacting carbon monoxide and an alcohol compound with methylacetylene in the presence of a catalyst containing a Group 10 metal compound, a proton acid and a phosphine compound, the propadiene content of the methylacetylene is 50 ppm or less, the phosphine compound is used at greater than 0.000020 mol with respect to 1 mol of methylacetylene, and the carbon monoxide and the alcohol compound are reacted with 200000 mol or more of methylacetylene with respect to 1 mol of the Group 10 metal compound. | 02-24-2011 |
| Patent application number | Description | Published |
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| 20090241011 | MEMORY DEVICE - A method of controlling a memory device connectable to a host for sending out a command to the memory device, having a medium including a plurality of sectors, a head for writing data into and reading data from the medium, and a buffer memory for storing information, the method has receiving information indicating an error of data read out from a sector by the memory device and storing identification information of the sector where the error has been detected in the buffer memory and receiving information indicating an error of data read out from a sector by the host and storing in the buffer memory identification information of the sector where the error has been detected such that in the absence of vacant area in the buffer memory, the identification information is written over into an address where information of sector error detected by the memory device has been stored. | 09-24-2009 |
| 20090303628 | DATA MANAGING METHOD, INFORMATION STORAGE APPARATUS, AND DATA MANGEMENT CIRCUIT - A magnetic disk device regularly monitors an abnormality in heads and, when detecting an abnormality in any head, transfers data in each cell corresponding to the head where the abnormality is detected to a replacement cell corresponding to another head. Then, in a management table, the magnetic disk device updates the logical address of the transfer-destination cell to the logical address of the transfer-source cell. Thereafter, the magnetic disk device deletes the data in the transfer-destination cell from the management table. | 12-10-2009 |
