Nova Patents
NO174952C

Use of specific core material and layers to obtain pharmaceutical formulations stable to discolouration of acid labile compounds

Abstract

Pharmaceutical preparation containing an acid labile compound together with an alkaline reacting compound or an alkaline salt of an acid labile compound optionally together with an alkaline compound as the core material, one or more subcoating layers comprising inert reacting compounds which are soluble or rapidly disintegrating in water, or polymeric, water soluble filmforming compounds, optionally containing pH-buffering alkaline compounds and an enteric coating as well as a process for the preparation thereof and the use in the treatment of gastrointestinal diseases.

Term

No projected expiry on record.

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

82 members in 37 offices

This recordMember, by publication datePriority claim27 more offices are in the list below

Priority claims4

Priority claims
DocumentOfficeKindDate
8610573United KingdomA
8610573United KingdomA
8610573–––
GB19860010573–––

Members82

Family members, oldest first
DocumentOfficeKind
GB8610573D0United KingdomD0
CY1860ACyprusA
DK215987D0DenmarkD0
NO871791D0NorwayD0
PT84786APortugalA
IE871106LIrelandL
DK215987ADenmarkA
FI871914AFinlandA
IS3222A7IcelandA7
NO871791LNorwayL
EP0244380A2European Patent Office (EPO)A2
GB2189699AUnited KingdomA
AU7192287AAustraliaA
JPS62258316AJapanA
CN87103285AChinaA
KR870009718ARepublic of KoreaA
ZA872379BSouth AfricaB
HUT44171AHungaryA
PL265417A1PolandA1
YU68087AYugoslavia, later Serbia and Montenegro (until 2006)A
EP0244380A3European Patent Office (EPO)A3
CS307387A2Czechoslovakia (until 1993)A2
US4853230AUnited States of AmericaA
HU198385BHungaryB
ES2010648A4SpainA4
PT84786BPortugalB
DE244380T1GermanyT1
CS268535B2Czechoslovakia (until 1993)B2
GR890300156T1GreeceT1
NZ220097ANew ZealandA
PH24440APhilippinesA
AU603568B2AustraliaB2
SU1709894A3Soviet Union (until 1991)A3
CA1302891CCanadaC
EP0502556A1European Patent Office (EPO)A1
MY102675AMalaysiaA
EP0244380B1European Patent Office (EPO)B1
AT84211TAustriaT
ATE84211T1AustriaT1
DE3783386D1GermanyD1
EG18517AEgyptA
DE3783386T2GermanyT2
GR3007448T3GreeceT3
AR243377A1ArgentinaA1
EP0565210A2European Patent Office (EPO)A2
YU46421BYugoslavia, later Serbia and Montenegro (until 2006)B
LT2260BLithuaniaB
LV5393A3LatviaA3
FI91708BFinlandB
NO174952BNorwayB
CN1025151CChinaC
ES2010648T3SpainT3
FI91708CFinlandC
NO174952CThis recordNorwayC
JPH0667837B2JapanB2
IE61837B1IrelandB1
DK169987B1DenmarkB1
KR950004886B1Republic of KoreaB1
EP0565210A3European Patent Office (EPO)A3
HRP920855A2CroatiaA2
HK104095AHong Kong, ChinaA
EP0502556B1European Patent Office (EPO)B1
AT139692TAustriaT
ATE139692T1AustriaT1
DE3751851D1GermanyD1
ES2089277T3SpainT3
DE3751851T2GermanyT2
GR3020501T3GreeceT3
LV5753A4LatviaA4
SI8710680ASloveniaA
HK55497AHong Kong, ChinaA
LV5753B4LatviaB4
SI8710680BSloveniaB
DD260222B5German Democratic Republic (until 1990)B5
HRP920855B1CroatiaB1
EP0565210B1European Patent Office (EPO)B1
AT186639TAustriaT
ATE186639T1AustriaT1
ES2137966T3SpainT3
GR3032639T3GreeceT3
IS1918BIcelandB
DZ1078A1AlgeriaA1