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(12) PATENT APPLICATION PUBLICATION (21) Application No.6528/DELNP/2008 A<br />

(19) INDIA<br />

(22) Date <strong>of</strong> filing <strong>of</strong> Application :28/07/2008 (43) Publication Date : 24/10/2008<br />

(54) Title <strong>of</strong> the invention : "PROCESS FOR PREPARINGA CRYSTALLINE FORM OF ATORVASTATIN HEMICALCIUM"<br />

(51) International classification :C07D 207/34 (71)Name <strong>of</strong> Applicant :<br />

(31) Priority Document No :60/778,333<br />

1)TEVA PHARMACEUTICAL INDUSTRIES LTD.<br />

(32) Priority Date :01/03/2006<br />

Address <strong>of</strong> Applicant :5 BANSAL STREET,P.O. BOX<br />

(33) Name <strong>of</strong> priority country :U.S.A.<br />

3190,PETAH TIQVA 49131,ISRAEL. Israel<br />

(86) International Application No :PCT/US2007/005454 (72)Name <strong>of</strong> Inventor :<br />

Filing Date<br />

:01/03/2007<br />

1)MICHAEL PINCHASOV<br />

(87) International Publication No :WO 2007/103223 A1<br />

(61) Patent <strong>of</strong> Addition to Application<br />

Number<br />

Filing Date<br />

:NA<br />

:NA<br />

(62) Divisional to Application Number :NA<br />

Filing Date<br />

:NA<br />

(57) Abstract :<br />

The present invention encompasses a process for preparing crystalline atorvastatin hemi- calcium characterized by a powder X-ray<br />

diffraction pattern having broad peaks in the range <strong>of</strong> 18.5-21.8 <strong>and</strong> 21.8-25.0 + 0.2 degrees two theta.<br />

No. <strong>of</strong> Pages : 9 No. <strong>of</strong> Claims : 11<br />

The Patent Office Journal 24/10/2008 26004

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