| ORCHID CHEMICALS & PHARMACEUTICALS LIMITED Patent applications |
| Patent application number | Title | Published |
|---|
| 20120095210 | PROCESS FOR THE PREPARATION OF BETA-LACTAM ANTIBIOTIC - The present invention provides a novel process for the preparation of the meropenem trihydrate of formula (I). | 04-19-2012 |
| 20120078009 | PROCESS FOR THE PREPARATION OF CILASTATIN AND SODIUM SALT - An improved process for preparing Cilastatin Sodium including dissolving Cilastatin acid in a solvent using an organic base, adding sodium salt of a week acid and isolating Cilastatin Sodium. | 03-29-2012 |
| 20110059933 | CRYSTALLINE SODIUM SALT OF CEPHALOSPORIN ANTIBIOTIC - The present invention relates to novel polymorph of Ceftiofur sodium as a crystalline product. The present invention also provides a process for the preparation of novel polymorphs of crystalline Ceftiofur sodium of formula (I). | 03-10-2011 |
| 20100298566 | PROCESS FOR THE PREPARATION OF PALIPERIDONE AND ITS INTERMEDIATES - A process for the preparation of a psychotropic agent Paliperidone. Preferably, this invention relates to a method for the purification of Paliperidone by making its acid addition salts. | 11-25-2010 |
| 20100292341 | QUICK DISSOLVE COMPOSITIONS OF MEMANTINE HYDROCHLORIDE - The present invention relates to quick dissolve pharmaceutical compositions. More particularly the invention relates to quick dissolve pharmaceutical compositions of memantine hydrochloride capable of dissolving in the oral cavity and process for preparing such compositions. The quick dissolve pharmaceutical compositions of memantine hydrochloride contain at least one water-soluble diluent in particular a mono- or disaccharide and at least one disintegrant and optionally other pharmaceutically acceptable excipients. | 11-18-2010 |
| 20100267968 | METHOD FOR THE PREPARATION OF DULOXETINE HYDROCHLORIDE - The present invention relates to an improved process for the preparation of Duloxetine and its intermediates (S)-(+)-N,N-dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine by reacting (S)-(+)-N,N-dimethyl-3-(2-thienyl)-3-hydroxypropanamine with 1-fluoronaphthalene in the presence of a base; wherein the improvement lies in conducting the reaction in the absence of solvent. | 10-21-2010 |
| 20100010230 | Method for the purification of lansoprazole - The present invention relates to an improved process for the preparation of Lansoprazole of formula (I). More particularly, the present invention relates to a method for the purification of crude Lansoprazole in a solvent in presence of an alkali salt of an organic acid or in presence of an organic base such as piperidine or imidazole. | 01-14-2010 |
| 20090312539 | AN IMPROVED PROCESS FOR THE PREPARATION OF CARBAPENEM ANTIBIOTIC - The present invention provides a process for the preparation of the carbapenem antibiotic of formula (I) or its salt in amorphous form. Formula (I) wherein R represents hydrogen or COOM and M represents hydrogen or sodium. | 12-17-2009 |
| 20080306256 | Salts in the Preparation of Cephalosporin Antibiodies - The present invention relates to an improved process for the preparation of cephalosporin antibiotics of formula (I). The present invention also provides new salts of compound of formula (II) and a process for the preparation of these new salts, where n=0.5 to 2. The present invention also provides a process for the preparation of compound of formula (I) using the new salts of formula (II). | 12-11-2008 |
