Press coated tablet prepared for delayed release of an active ingredient
US10675247B2 · kind B2 · utility
1Cited by
11References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 16, 2015 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Nov 16, 2035 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/196
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.