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| Number | Title | Issue Date |
| 7858761 | 1-α-halo-2,2-difluoro-2-deoxy-D-ribofuranose derivatives and process for the preparation thereof 1-α-halo-2,2-difluoro-2-deoxy-D-ribofuranose derivative of formula (I) having the 3-hydroxy group protected with a biphenylcarbonyl group is a solid which can be easily purified by a simple procedure such as recrystallization, and therefore, it can be advantageousl... | 12/28/2010 |
| 7799907 | Method for the preparation of 2′-deoxy-2′,2′-difluorocytidine Provided is an improved method for stereoselectively preparing 2′-deoxy-2′,2′-difluorocytidine of formula (I), which includes reacting a 1-halo ribofuranose compound with a nucleobase of formula (IV) in a solvent to obtain a nucleo side of formula (II) with re... | 09/21/2010 |
| 7763730 | Method preparation clopidogrel and intermediates used therein Optically pure clopidogrel can be prepared in a high yield by optically resolving a racemic form of the compound of formula (II) using an optically active amine to form the optically active form of the compound of formula (III) or its acid-addition salt; and methyla... | 07/27/2010 |
| 7759368 | Sustained release composition for oral administration of niacin A sustained release composition for oral administration of niacin, comprising niacin; a carrier for sustained release composed of a hydrophilic polymer and a hydrophobic polymer; and a pharmaceutically acceptable additive, the hydrophilic polymer being a polyethylen... | 07/20/2010 |
| 7718399 | Expression vector for secreting antibody fragment using signal sequence and method for mass-producing antibody fragment A recombinant expression vector capable of expressing and secreting an antibody fragment fused with E. coli thermostable enterotoxin signal sequence derivative or E. coli outer membrane protein A (Omp A) signal sequence in the form of a soluble heteroz... | 05/18/2010 |
| 7704526 | Sustained release composition for oral administration of drugs A sustained-release composition for oral administration of a drug, comprising the drug, a mixture of sodium alginate and xanthan gum as a carrier for sustained release and a mixture of hydroxypropyl methylcellulose and propylene glycol alginate as a gel hydration ac... | 04/27/2010 |
| 7652140 | Method of preparing clopidogrel and intermediates used therein Optically pure clopidogrel can be prepared in a high yield by optically resolving a racemic form of the compound of formula (II) using an optically active amine to form the optically active form of the compound of formula (III) or its acid-addition salt; and methyla... | 01/26/2010 |
| 7470707 | Crystalline monohydrate clopidogrel naphthalenedisulfonate and process of preparation A crystalline clopidogrel naphthalenesulfonate or a hydrate thereof, a method for preparing same, and a pharmaceutical composition containing same are provided. ... | 12/30/2008 |
