Patent application number | Description | Published |
20090281301 | Manufacturing Process of 2' ,2' - Difluoronucleoside and Intermediate - The present invention relates to more improved process for preparing 2′-deoxy-2′,2′-difluoronucleoside and its intermediate. The present invention provide a process for preparing an erythro enantiomer in greater than 98% purity, comprising forming a lactone ring by hydrolyzing ethyl (3RS)-2,2-difluoro-3-hydroxy-3-(2,2-dimethyloxolan-4-yl)propionate is hydrolyzed in the presence of hydrolysis reagents selected from acetic acid or chloroacetic acid, water and a mixture of organic solvents selected from the group comprising acetonilrile, dioxane, tetrahydrofuran or toluene, introducing a substituted benzoyl protecting group at the 3-position and 5-position, and recrys- tallizing said erythro enantiomer. Further, the present invention provides a process for selectively preparing, in greater than 99% purity, a beta-anomer 2′-deoxy-2′,2′-difluoronucleoside at the 3′-position and 5′-position that are protected by a substituted benzoyl in a 2:3 alpha/beta anomeric ratio. | 11-12-2009 |
20100113556 | NOVEL CRYSTAL FORMS OF PYRROLYLHEPTANOIC ACID DERIVATIVES - The present invention provides novel crystalline forms D1 and D2 of [R—(R*,R*)]-2-(4-fluorophenyl)-β,δ-dihydroxy-5-(1-methylethyl)-3-phenyl-4-[(phenylamino)carbonyl]-1H-pyrrole-1-heptanoic acid hemicalcium salt, and hydrates thereof. The crystalline forms D | 05-06-2010 |
Patent application number | Description | Published |
20090076933 | System and method of planning and managing real-time postal delivery work - The present invention relates to a system and method of planning and managing real-time postal delivery work that formulates a delivery plan according to a delivery workload in real time, provides information about the delivery plan, and provides and manages information about collection work of returned and confirmed mail items. | 03-19-2009 |
20100145761 | SYSTEM AND METHOD FOR ALTERNATIVE SIMULATION OF LOGISTICS INFRASTRUCTURE - A future amount is created through demand estimation by rectifying data administrated in a logistics infrastructure through a system and a method for alternative simulation of a logistics infrastructure. In addition, an infrastructure load by a future year amount is analyzed and an alternative is selected through the load analysis. | 06-10-2010 |
20130290212 | SYSTEM AND METHOD FOR MANAGING RETURN MAIL INFORMATION - The present invention relates to a system and method for managing return information. The system includes a postman terminal configured to receive return information from mail using return information providing service and a return information management server configured to store the return information received from the postman terminal in a return information DB, generate statistics information based on the return information, store the generated statistics information in a statistics information DB, and provide the return information and the statistics information to a forwarding customer terminal in response to a request of the forwarding customer terminal. In accordance with the present invention, return processing details information, change-of-address details information, and mail image information for each reason of return of return mail are provided to a customer. Accordingly, costs necessary to forward mail can be minimized, and costs necessary to deliver mail to a forwarding customer again can be reduced. | 10-31-2013 |
20140050351 | APPARATUS AND METHOD FOR RECEIVING UNMANNED MAIL - Provided is an apparatus for receiving an unmanned mail capable of automatically acquiring the address information even though the user does not directly input the address information. The apparatus acquires address information of an addressee by automatically recognizing the address of the mail when the address is written on the mail, and acquires the address information of the addressee through the paper on which the address is printed or written, identification, and biometric recognition when the address is not written on the mail. The apparatus may acquire the address information of the addressee through a mail sender's voice. | 02-20-2014 |
20140149309 | SYSTEM AND METHOD FOR VERIFYING REGISTERED MAIL RECEIPT - A registered mail receipt verification system includes: a distribution integration information apparatus registering provisional receipt data for customer's receipt; a receipt information linking apparatus receiving the provisional receipt data from the distribution integration information apparatus and generating verification receipt data for at least one of an address and a postal code; and a registered mail verification apparatus registering the verification receipt data generated by the receipt information linking apparatus, reading a registered barcode for provided registered mail, and generating a verification result by comparison with the registered verification receipt data. | 05-29-2014 |
20150199569 | APPARATUS AND METHOD FOR MEASURING MAIL SIZE AND ACQUIRING MAIL INFORMATION - Provided are an apparatus and method for measuring a mail size and acquiring mail information. The apparatus and method measure a mail size, recognize or read out specific information extracted from image information of a photographed mail, and acquire information necessary for receiving and delivering the mail. Accordingly, a height and length of a mail can be efficiently measured a narrow space, and an accuracy of the measurement can be enhanced. When specific information is extracted from photographed mail image information, information necessary for receipt and delivery of a mail can be more easily acquired by using a method of reading out or recognizing the extracted specific information. | 07-16-2015 |
20150199785 | UNMANNED OPERATION MANAGEMENT APPARATUS FOR ACCEPTING MAIL AND CONTROL METHOD THEREOF - Provided are an unmanned operation management apparatus for accepting mail and a control method thereof. The unmanned operation management apparatus and control method calculate postage depending on a size and a selected service and when mail for which the calculated postage is paid is inserted into a common acceptance box and the common acceptance box is filled with pieces of mail, allow a collection worker to collect the mail of the filled common acceptance box, so as to automatically accept and process a user's mail. A mail size that is a reference for calculating postage can be more efficiently and accurately measured, and by configuring and operating the mail assortment common acceptance box, a mail collecting work can be easily performed. Moreover, when the common acceptance box is full, mail is accepted by using the spare delivery box, thereby preventing a problem caused by a lack of an acceptance box. | 07-16-2015 |
Patent application number | Description | Published |
20140050989 | SEPARATOR FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - Disclosed is a separator having surface energy of about 45 mN to about 50 mN/m which can be prepared by radiating plasma on a polymer film under a current of from about 1800 mA to about 2000 mA and electric power of from about 2750 W to about 3000 W. Further disclosed is a rechargeable battery comprising the separator having a surface energy of about 45 mN to about 50 mN/m. | 02-20-2014 |
20140134479 | ADDITIVE FOR ELECTROLYTE AND ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - An electrolyte additive represented by the following Chemical Formula 1, an electrolyte, and a rechargeable lithium battery are disclosed: | 05-15-2014 |
20140178772 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery that includes a lithium salt and a non-aqueous organic solvent, wherein the non-aqueous organic solvent includes a fluoro-based solvent represented by the following Chemical Formula 1, and a rechargeable lithium battery including the same. | 06-26-2014 |
20140220426 | PHOSPHORUS CONTAINING COMPOUND, METHOD OF PREPARING SAME, AND ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - A phosphorous containing compound represented by the following Chemical Formula 1, a method of preparing the phosphorous containing compound, an electrolyte for a rechargeable lithium battery including the phosphorous containing compound, and a rechargeable lithium battery including the electrolyte. | 08-07-2014 |
20140242453 | ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery including a lithium salt, a non-aqueous organic solvent, and an additive, wherein the additive includes a compound represented by Chemical Formula 1 | 08-28-2014 |
20140308562 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME - An electrolyte for lithium secondary batteries includes a lithium salt, a nonaqueous organic solvent, and a compound represented by Formula 1 below as an additive: | 10-16-2014 |
20140308563 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF FABRICATING SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. | 10-16-2014 |
20140308564 | RECHARGEABLE LITHIUM BATTERY AND METHOD OF FABRICATING THE SAME - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode and including a porous substrate and a coating layer formed on at least one side of the porous substrate; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. | 10-16-2014 |
20140335427 | ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY EMPLOYING THE SAME - An electrolyte for a lithium secondary battery and a lithium secondary battery including the electrolyte are provided. The electrolyte includes a compound represented by Formula 1 below; a nonaqueous organic solvent; and a lithium salt: | 11-13-2014 |
20140342242 | ORGANIC ELECTROLYTE SOLUTION AND LITHIUM BATTERY COMPRISING THE SAME - An organic electrolyte solution and a lithium battery using the same are disclosed. The organic electrolyte solution includes a lithium salt, an organic solution, a thiophene-based compound and a nitrile-based compound. | 11-20-2014 |
20140349176 | ADDITIVE FOR ELECTROLYTE, ELECTROLYTE AND RECHARGEABLE LITHIUM BATTERY - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. The additive may be an optionally substituted thiophene. | 11-27-2014 |
20150140395 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME - An electrolyte for a rechargeable lithium battery includes a lithium salt, a non-aqueous organic solvent, and an additive, where the additive includes a compound represented by Chemical Formula 1. A rechargeable lithium battery including the electrolyte includes a positive electrode including a positive active material, a negative electrode including a negative active material, and the electrolyte. | 05-21-2015 |
20150295275 | ELECTROLYTE FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME - An electrolyte for a rechargeable lithium battery includes a lithium salt, an organic solvent and an additive. The organic solvent includes a sulfur-containing compound represented by Chemical Formula 1, and the additive includes a phosphazene compound represented by Chemical Formula 2. A rechargeable lithium battery including the electrolyte may have improved performance and safety. | 10-15-2015 |