发明名称 |
POLYMORPHIC FORMS OF DIHYDROCHLORIDE SALTS OF CETIRIZINE ANDPROCESSES FOR PREPARATION THEREOF |
摘要 |
<p>The present invention relates to crystalline and amorphous forms of dextrorotatory dihydrochloride salt of cetirizine, the process for the preparation thereof and compositions containing the same. The invention also relates to the crystalline and amorphous forms of levorotatory dihydrochlori de salt of cetirizine, the process for the preparation thereof and compositions containing the same. Both crystalline and amorphous salt forms of cetirizine dihydrochloride are suitable for pharmaceutical purposes in the treatment of allergies, including ailments such as chronic and acute allergic rhinitis, allergic conjunctivitis, pruritus, urticaria and the like.</p> |
申请公布号 |
CA2488114(A1) |
申请公布日期 |
2004.06.17 |
申请号 |
CA20032488114 |
申请日期 |
2003.12.04 |
申请人 |
DR. REDDY'S LABORATORIES LIMITED;DR. REDDY`S LABORATORIES, INC. |
发明人 |
REDDY, MANNE SATYANARAYANA;SRINIVASAN, THIRUMALAI RAJAN;JOGA, RAJENDER;VADDADI, PATTABHI RAMAYYA;UPPALA, VENKATA BHASKARA RAO |
分类号 |
A61K31/495;C07D295/00;C07D295/08;C07D295/088;(IPC1-7):C07D295/08 |
主分类号 |
A61K31/495 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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