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1. (WO1991007949) DELAYED RELEASE FORMULATIONS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1991/007949 International Application No.: PCT/GB1990/001803
Publication Date: 13.06.1991 International Filing Date: 22.11.1990
Chapter 2 Demand Filed: 31.05.1991
IPC:
A61K 9/28 (2006.01) ,A61K 9/50 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9
Medicinal preparations characterised by special physical form
20
Pills, lozenges or tablets
28
Dragees; Coated pills or tablets
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
K
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
9
Medicinal preparations characterised by special physical form
48
Preparations in capsules, e.g. of gelatin, of chocolate
50
Microcapsules
Applicants:
BRITISH TECHNOLOGY GROUP LTD. [GB/GB]; 101 Newington Causeway London SE1 6BU, GB (AllExceptUS)
RING, Stephen, Gordon [GB/GB]; GB (UsOnly)
ARCHER, David, Brian [GB/GB]; GB (UsOnly)
ALLWOOD, Michael, Charles [GB/GB]; GB (UsOnly)
NEWTON, John, Michael [GB/GB]; GB (UsOnly)
Inventors:
RING, Stephen, Gordon; GB
ARCHER, David, Brian; GB
ALLWOOD, Michael, Charles; GB
NEWTON, John, Michael; GB
Agent:
EYLES, Winifred, Joyce; Patents Department British Technology Group Ltd. 101 Newington Causeway London SE1 6BU, GB
Priority Data:
8926639.924.11.1989GB
Title (EN) DELAYED RELEASE FORMULATIONS
(FR) COMPOSITIONS A LIBERATION RETARDEE
Abstract:
(EN) Delayed release compositions comprising an active compound and amorphus amylose and having an outer coating comprising a film forming cellulose or acrylic polymer material, for example glassy amylose are of particular value for the selective release of medicaments and diagnostic agents into the colon.
(FR) Compositions à libération retardée comprenant un composé actif et de l'amylose amorphe et enrobées d'un revêtement extérieur comprenant une pellicule de cellulose ou de polymère acrylique, par exemple amylose vitreuse. Ces compositions sont particulièrement intéressantes pour la libération sélective de médicaments et d'agents diagnostiques dans le colon.
Designated States: CA, FI, HU, JP, KR, NO, SU, US
European Patent Office (AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LU, NL, SE)
Publication Language: English (EN)
Filing Language: English (EN)
Also published as:
FI922369NO19922026ZA1990/09384ES2053206EP0502032RU02093148
US5294448JPH05504947CA2069485DE000069007623GB2238243KR1019920703030
DK0502032