公开(公告)号：EP1848720A1

公开(公告)日：2007-10-31

申请号：EP05747156.7

申请日：2005-02-15

申请人： USV LIMITED

发明人： TARUR, Venkatasubramanian, Radhakrishnan ,  SATHE, Dhananjay, Govind ,  SAWANT, Kamlesh, Digambar ,  MONDKAR, Harish, Kashinath ,  DESHPANDE, Manoj, Madhukarrao Indrayani Niwas ,  NAIK, Tushar, Anil

IPC分类号： C07D495/04

CPC分类号： C07D495/04

摘要： The present invention discloses a rapid resolution process of racemic clopidogrel base followed by conversion of the resolved (S) isomer to crystalline Clopidogrel bisulfate Form I. The invention also discloses novel racemization process of the unwanted (R) isomer of clopidogrel base. The invention further discloses an improved process for preparation of acid addition salts of clopidogrel.

公开(公告)号：EP2150528A2

公开(公告)日：2010-02-10

申请号：EP09721132.0

申请日：2009-01-13

申请人： USV Limited

发明人： SATHE, Dhananjay, Govind ,  MONDKAR, Harish, Kashinath ,  JADHAV, Tanaji, Shamrao ,  HAGAVANE, Nitin, Nivrutti

IPC分类号： C07C279/26

CPC分类号： C07C279/26

摘要： Disclosed herein is the process for the preparation of 1-(4-chlorophenyl)-5- isopropyl-biguanide hydrochloride (Proguanil hydrochloride), Formula (I), an antimalarial agent.

公开(公告)号：EP2262841A2

公开(公告)日：2010-12-22

申请号：EP09730099.0

申请日：2009-04-06

申请人： USV Limited

发明人： SATHE, Dhananjay, Govind ,  MONDKAR, Harish, Kashinath ,  JADHAV, Tanaji, Shamrao ,  PATIL, Samadhan, Daulat

IPC分类号： C08F8/00 ,  A61K31/785

CPC分类号： A61K31/785 ,  C08F8/00 ,  C08F8/18 ,  C08F2810/20 ,  C08F26/02 ,  C08F126/06

摘要： The present invention discloses simple process for preparation of salt of polyallylamine polymer.

公开(公告)号：EP2064252A2

公开(公告)日：2009-06-03

申请号：EP07866693.0

申请日：2007-08-31

申请人： USV Limited

发明人： HEDGE, Deepak Anant ,  CHOUDHARY, Varsha Shashank ,  TARUR, Radhakrishnan Venkatasubramanian ,  SATHE, Dhananjay Govind ,  MONDKAR, Harish, Kashinath ,  PATIL, Samadhan Daulat ,  THOOVARA, Sasikumar Mohan ,  BHIDE, Yogesh Sharad

IPC分类号： C08F8/00 ,  C08F26/02 ,  A61K31/785 ,  A61K9/20 ,  A61K47/00 ,  A61P13/12 ,  C08F8/44

CPC分类号： A61K31/785 ,  A61K9/284 ,  A61K9/2846 ,  A61K9/2866 ,  C08F8/02 ,  C08F8/08 ,  C08F126/02

摘要： Disclosed herein is an improved process for preparation of Sevelamer hydrochloride having phosphate binding capacity of 4.7 to 6.4mmol/g. Further, the invention discloses Sevelamer hydrochloride compositions and a novel process for preparation of said compositions comprising high shear non-aqueous granulation.