| HOVIONE INTER LIMITED Patent applications |
| Patent application number | Title | Published |
| 20120028928 | Process for Isolating Tigecycline and Tigecycline Made Therefrom - The present invention provides a process for isolating tigecycline which process comprises the step of spray drying a solution of tigecycline in a solvent. Preferably the solvent is water or an organic solvent. In another aspect, there is provided tigecycline obtainable by spray drying, particularly in amorphous form. In particular, the invention provides tigecycline obtainable by spray drying according to the process of the invention. | 02-02-2012 |
| 20100286417 | Crystalline Minocycline Base and Processes for its Preparation - The invention provides crystalline minocycline base. In particular, three crystalline polymorphic forms, designated Form I, Form II and Form III, of minocycline base are provided. These are characterised by XRD and IR data. Processes for preparing the new polymorphic forms are also provided. For example, Form I is prepared by dissolving and/or suspending amorphous minocycline base in an organic solvent chosen from ethers followed by crystallisation from the mixture. | 11-11-2010 |
| 20100240916 | PROCESS FOR OBTAINING STEROIDAL PHOSPHATE COMPOUNDS - A process for obtaining 21-disodium phosphate pregnane derivative compounds of formula (I), wherein X═R═H or X═F and R=α-CH | 09-23-2010 |
| 20090326227 | Process for the Preparation of Biphosphonic Acids and Salts Thereof - A process for the preparation of biphosphonic acids and pharmaceutical acceptable salts thereof, comprises reacting a carboxylic acid with phosphorous trichloride and phosphorous acid in the presence of an aprotic polar solvent. Formula (I): | 12-31-2009 |