Sustained release pharmaceutical tablet
US5002774A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | Jun 8, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/2095
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A sustained release solid composition for delivering an amount of a pharmaceutical material, prticularly magnesium lactate, to the gastro-intestinal tract comprising: PA1 an active pharmaceutical powder material; PA1 a compressibility aid material for improving the compressibility of said pharmaceutical powder material; PA1 a first solid water soluble and/or swellable hydrophilic polymer; and PA1 microcrystalline cellulose to enable said active pharmaceutical material to be gradually released in the gastro-intestinal tract over a period of time; PA1 said solid composition being compressed in tablet form, and a method for producing the tablets is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.