Nova Patents
AT306266T

Improved delivery of multiple doses of medications

Abstract

A dosage form for oral administration of a methylphenidate drug comprising two groups of particles, containing each said drug, wherein: a) said first group of particles provides an immediate dose of said drug upon ingestion by of a mammal, and b) a second group of particles comprises coated particles, forming said coated between 2% and 75% by weight of said mixed with one or more binders drug particles, said coating comprising a pharmaceutically acceptable ammonio methacrylate in an amount sufficient to provide a dose of said medication delayed from 2 hours to 7 hours following said ingestion.

Term

No projected expiry on record.

  1. Priority
  2. Filed
  3. Granted
  4. Today

92 members in 17 offices

This recordMember, by publication datePriority claim7 more offices are in the list below

Priority claims2

Priority claims
DocumentOfficeKindDate
89219097United States of AmericaA
9812057United States of AmericaW

Members92

Family members, oldest first
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CA2465077A1CanadaA1
WO9903471A1World Intellectual Property Organization (WIPO)A1
AU7834398AAustraliaA
CA2241611A1CanadaA1
CA2468370A1CanadaA1
WO9916439A1World Intellectual Property Organization (WIPO)A1
AU7976598AAustraliaA
US5908850AUnited States of AmericaA
US5922736AUnited States of AmericaA
EP1001772A1European Patent Office (EPO)A1
EP1032389A1European Patent Office (EPO)A1
DE1001772T1GermanyT1
ES2153338T1SpainT1
IL135288D0IsraelD0
US6255325B1United States of AmericaB1
AU738521B2AustraliaB2
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EP1001772A4European Patent Office (EPO)A4
US6486177B2United States of AmericaB2
US2002198234A1United States of AmericaA1
CA2453510A1CanadaA1
WO03005962A2World Intellectual Property Organization (WIPO)A2
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ATE306266T1AustriaT1
EP1607093A1European Patent Office (EPO)A1
US2006030587A1United States of AmericaA1
HK1077501A1Hong Kong, ChinaA1
DK1001772T3DenmarkT3
DE69831869D1GermanyD1
ES2153338T3SpainT3
DE69831869T2GermanyT2
US2006183774A1United States of AmericaA1
US7115631B2United States of AmericaB2
AU2002318302B2AustraliaB2
IL135288AIsraelA
EP1032389B1European Patent Office (EPO)B1
AT368458TAustriaT
ATE368458T1AustriaT1
PT1032389EPortugalE
DE69838179D1GermanyD1
EP1844777A1European Patent Office (EPO)A1
DK1032389T3DenmarkT3
ES2289787T3SpainT3
DE69838179T2GermanyT2
NZ530211ANew ZealandA
EP1032389B8European Patent Office (EPO)B8
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