2014
DOI: 10.1590/s1984-82502014000200001
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Assessment of analytical techniques for characterization of crystalline clopidogrel forms in patent applications

Abstract: The aim of this study was to evaluate two important aspects of patent applications of crystalline forms of drugs: (i) the physicochemical characterization of the crystalline forms; and (ii) the procedure for preparing crystals of the blockbuster drug clopidogrel. To this end, searches were conducted using online patent databases. The results showed that: (i) the majority of patent applications for clopidogrel crystalline forms failed to comply with proposed Brazilian Patent Office guidelines. This was primaril… Show more

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