Invention Grant
- Patent Title: Crystalline polymorphic form of a camptothecin analogue
- Patent Title (中): 喜树碱类似物的结晶多晶型物
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Application No.: US11539932Application Date: 2006-10-10
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Publication No.: US08349863B2Publication Date: 2013-01-08
- Inventor: Srinivas Laxminarayan Pathi , Shashi Rekha Kanathala , Manish Gopaldas Gangrade , Rajendra Narayanrao Kankan , Dharmaraj Ramachandra Rao
- Applicant: Srinivas Laxminarayan Pathi , Shashi Rekha Kanathala , Manish Gopaldas Gangrade , Rajendra Narayanrao Kankan , Dharmaraj Ramachandra Rao
- Applicant Address: IN Mumbai
- Assignee: Cipla Limited
- Current Assignee: Cipla Limited
- Current Assignee Address: IN Mumbai
- Agency: Conley Rose, P.C.
- Agent Rodney B. Carroll
- Priority: IN1274/MUM/2005 20051010
- Main IPC: A61K31/4745
- IPC: A61K31/4745 ; C07D491/22
Abstract:
The invention relates to a novel crystalline form of topotecan hydrochloride, and methods of making the same. The characteristic XRPD pattern and FT-IT patterns are shown in FIGS. 1 and 2.
Public/Granted literature
- US20070105885A1 NOVEL CRYSTALLINE POLYMORPHIC FORM OF A CAMPTOTHECIN ANALOGUE Public/Granted day:2007-05-10
Information query
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