Title of Invention | "A DOSAGE FORM FOR CONTROLLED DELIVERY OF PALIPERIDONE" |
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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. |
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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 | ||||||||||||||||||
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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:
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PCT International Classification Number | A 61 K9/24 | ||||||||||||||||||
PCT International Application Number | PCT/US03/023433 | ||||||||||||||||||
PCT International Filing date | 2003-07-28 | ||||||||||||||||||
PCT Conventions:
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