| Chongqing Pharmaceutical Research Institute Co., Ltd. Patent applications |
| Patent application number | Title | Published |
|---|
| 20110282069 | HIGH-PURITY FEBUXOSTAT AND THE METHOD FOR PREPARATION - A febuxostat which purity is not less than 99.0%, method for preparation thereof, and pharmaceutical composition thereof. The method for preparation includes recrystallizing febuxostat in a mixed solvent. The said pharmaceutical composition can be used in manufacture of medicaments for treating diseases associated with hyperuricemia. | 11-17-2011 |
| 20110172424 | NEW CRYSTALLINE FORMS OF PEMETREXED DIACID, AND PREPARATIONS THEREOF - Three new crystalline forms of pemetrexed diacid, preparation methods and uses thereof are disclosed. These preparation processes are simple and have better practicality. | 07-14-2011 |
| 20110112297 | MORPHINAN DERIVATIVES AND PREPARATION METHODS THEREOF - The present invention relates to morphinan derivatives and preparation methods thereof, especially to ketal hydroxyl protected compounds of morphinan derivatives and preparation method thereof, and to a method for preparing corresponding alkylated morphinan derivatives by using the ketal hydroxyl protected compounds as intermediates, and more especially to a ketal hydroxyl protected compound of methylnaltrexone as intermediate for preparing methylnaltrexone and a method for preparing methylnaltrexone through said intermediate. | 05-12-2011 |
| 20090136549 | TRANSDERMAL PATCH CONTAINING RASAGILINE FOR TREATMENT OR PROPHYLAXIS OF NERVOUS SYSTEM DISEASE AND ITS PREPARATION PROCESS - The present invention relates to a rasagiline transdermal patch for treatment or prophylaxis of nervous system diseases, in which the patch comprises an inert backing layer chemically inert to substrate ingredients, a substrate layer comprising rasagiline or a pharmaceutically acceptable salt thereof, and a protective layer to be peeled off before use. The substrate layer is an adhesive system comprising an organic polymer material as basis and an inorganic or organic material as filler, and a plurality of micro-reservoirs containing rasagiline. The substrate further comprises one or more substances for enhancing the transdermal absorption of rasagiline, in which the above organic polymer material in the substrate is used for the reservoir of rasagiline and as adhesive. | 05-28-2009 |
