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(11)    Patent No :    AP 2593   
(21)    Application No :    AP/P/2009/005078   
(22)    Filing Date :    03.07.2008   
(24)    Date of Grant &    07.02.2013   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    60/958,595    06.07.2007
(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW
 (73) Applicant(s)

GILEAD SCIENCES, INC., 333 Lakeside Drive, Foster City,

CA 94404,
United States of America

K.U. LEUVEN RESEARCH AND DEVELOPMENT,
Minderbroedersstraat 8A, B-3000 Leuven,

Belgium
PUERSTINGER Gerhard, Badhausstrasse 10/4, A-6080 Igls,
(72) Inventors

DOWDYAustria Eric D, United States of America
KENT Kenneth M, United States of America

TOM Norma J, United States of America

et al

(74) Representative

HONEY & BLANCKENBERG
 

(51)  International  Classification   C07D 471/04 (2006.01)    A61P 31/12 (2006.01)
A61K 31/4353 (2006.01)   


(54)    Title

Crystalline pyridazine compound

(57)    Abstract

A crystalline compound of formula (1) and its salts and solvates are provided for the treatment or prophylaxis of hepatitis C virus infections (1) Methods of making and formulating crystalline compound (1) are provided

(56)    Documents Cited :    WO 2005 063744 A   WO 2008 005519 A

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