Invention Grant
- Patent Title: Press coated tablet prepared for delayed release of an active ingredient
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Application No.: US15526655Application Date: 2015-11-16
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Publication No.: US10675247B2Publication Date: 2020-06-09
- Inventor: Howard Norman Ernest Stevens , Alexander Balfour Mullen , David Smith , Fiona Jane Macdougall , Vivekanand Bhardwaj
- Applicant: Drug Delivery International Ltd.
- Applicant Address: GB Glasgow, Strathclyde
- Assignee: Drug Delivery International Ltd.
- Current Assignee: Drug Delivery International Ltd.
- Current Assignee Address: GB Glasgow, Strathclyde
- Agency: Canady + Lortz LLP
- Agent Suzannah K. Sundby, Esq.
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@1d3bab54
- International Application: PCT/GB2015/053471 WO 20151116
- International Announcement: WO2015/075495 WO 20160519
- Main IPC: A61K9/28
- IPC: A61K9/28 ; A61K31/00 ; A61K31/196

Abstract:
A press coated tablet for delayed release of an active ingredient comprising: (a) a core comprising one or more active ingredients, and; (b) an erodible delayed release barrier surrounding the core and comprising a wax and two or more grades of L-HPC, wherein the wax and L-HPC are provided in a weight ratio of wax to L-HPC of from 30%:70% to 70%:30%. The invention also relates to a method of making the press coated tablet.
Public/Granted literature
- US20170333355A1 Composition Public/Granted day:2017-11-23
Information query