Title of Invention

"A DOSAGE FORM FOR CONTROLLED DELIVERY OF PALIPERIDONE"

Abstract A dosage form comprising: a) a core comprising a plurality of layer wherein at least two layers are drug composition layers containing a pharmaceutically effective amount of a drug selected from paliperidone,risperidone or a pharmaceutically acceptable salt thereof wherein the first drug composition layer contauns a smaller portion of drug than the second drug composition layer and at least one other layer comprises a suitable fluid-expandable polymer; b) a semipermeable membrane surrounding the core to form a compartment having an osmotic gradient; c) an orifice form through the semipermeable membrane and into the core to permit the drug to be released from within the compartment; wherein the proportion of drug within the first layer to the drug contained with in the second layer is less to provide a substantially ascending release rate for a prolonged period of time.
Full Text

Documents:

300-kolnp-2005-granted-abstract.pdf

300-kolnp-2005-granted-assignment.pdf

300-kolnp-2005-granted-claims.pdf

300-kolnp-2005-granted-correspondence.pdf

300-kolnp-2005-granted-description (complete).pdf

300-kolnp-2005-granted-drawings.pdf

300-kolnp-2005-granted-examination report.pdf

300-kolnp-2005-granted-form 1.pdf

300-kolnp-2005-granted-form 18.pdf

300-kolnp-2005-granted-form 2.pdf

300-kolnp-2005-granted-form 26.pdf

300-kolnp-2005-granted-form 3.pdf

300-kolnp-2005-granted-form 5.pdf

300-kolnp-2005-granted-petition under rule 137.pdf

300-kolnp-2005-granted-reply to examination report.pdf

300-kolnp-2005-granted-specification.pdf


Patent Number 210282
Indian Patent Application Number 00300/KOLNP/2005
PG Journal Number 39/2007
Publication Date 28-Sep-2007
Grant Date 26-Sep-2007
Date of Filing 28-Feb-2005
Name of Patentee ALZA CORPORATION
Applicant Address 1900 CHARLESTON ROAD,P.O. BOX NO.7210,MOUNTANT VEIW,CA 94039-7230,U.S.A.
Inventors:
# Inventor's Name Inventor's Address
1 NOYMI V.YAM 386, DENIS AVENUE,SUNNYVALE,CA94086,U.S.A.
2 ATUL D. AYER 931 BAUTISTA COURT,PALO AILO,CA 94303,USA
3 IRAN REYES 3276 MERIDIAN AVENUE,SAN JOSE,CA 95124,USA
4 NIPUN DAVAR 34575 MELISSA TERRACE,FREMONT,CA 94555,USA
5 JULIE LEE 994-B LA MESA TERRACE,SUNNYVALE,CA 94555,USA
PCT International Classification Number A 61 K9/24
PCT International Application Number PCT/US03/023433
PCT International Filing date 2003-07-28
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 60/406,005 2002-08-26 U.S.A.
2 60/399,590 2002-07-29 U.S.A.