Patent information
IP India · live recordApplication number
1377/CHE/2005
Filing date
28 September 2005
Status
Withdrawn
Publication number
40/2007
Publication type
INA
Invention field
Chemical
Abstract
Amorphous atorvastain calcium having an enhanced stability contains about 2 to about 8 percent by weight water. A process preparing the amorphous atorvastatin calcium and a packaging system for maintaining the stability are described.
Applicants
2India
DR. REDDY LABORATORIES LIMITED
7-1-27, AMEERPET,
HYDERABAD
ANDHRA PRADESH
INDIA-500 016
U.S.A.
DR. REDDY LABORATORIES INC.,
20, SOMERSET CORPORATE, BOULEVARD,
SEVENTH FLOOR,
BRIDGEWATER, NEW JERSERY-08807
USA
Inventors
4India
GUDIPATI SRINIVASULUH.NO:15-21-107
BALLAJINAGAR
KUKKATPALLY,
HYDERABAD
ANDHRAPREDESH
India
KATKAM SRINIVASH.NO.13-1/32/3
SAI PURI COLONY,
MALKAJGIRI, SECUNDARABAD,
ANDHRA PRADESH
India
KOMATI SATYANARAYANAH.NO:5-105/1
VENKATRAMANNA COLONY
NEAR BHEL
HYDERABAD,
ANDHRAPRADESH
India
KUDAVALLI JAYA SATYANNNARAYANNA2ND WARD,
TADEPALLIGUDEM,
WEST GODDHAVARI DISTRICT,
ANDHRA PREDESH
Specification
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INTRODUCTION TO THE INVENTION The invention relates to a stable amorphous form of atorvastatin calcium and to packaging procedures that maintain stability of the compound during storage. Atorvastatin calcium is a drug compound that is used as a lipid-lowering agent, for treating hypercholestrolemia. The compound has the chemical name [R-(R*,R*)]-2-(4-fluorophenyl)-/ff,