GB Patent

GB8926639D0 — Delayed release formulations

Assigned to Biotechnology and Biological Sciences Research Council · Expires 1990-01-17 · 36y expired

What this patent protects

PCT No. PCT/GB90/01803 Sec. 371 Date Jul. 7, 1992 Sec. 102(e) Date Jul. 7, 1992 PCT Filed Nov. 22, 1990 PCT Pub. No. WO91/07949 PCT Pub. Date Jun. 13, 1991.Delayed release compositions comprising an active compound and amorphous amylose and having an outer coating comprising a fi…

USPTO Abstract

PCT No. PCT/GB90/01803 Sec. 371 Date Jul. 7, 1992 Sec. 102(e) Date Jul. 7, 1992 PCT Filed Nov. 22, 1990 PCT Pub. No. WO91/07949 PCT Pub. Date Jun. 13, 1991.Delayed release compositions comprising an active compound and amorphous 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.

Drugs covered by this patent

Patent Metadata

Patent number
GB8926639D0
Jurisdiction
GB
Classification
—
Expires
1990-01-17
Drug substance claim
No
Drug product claim
No
Assignee
Biotechnology and Biological Sciences Research Council
Source
FDA Orange Book + USPTO grounding via Google Patents

Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.

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