Granular sustained release preparation and production thereof
US8377480B2 · kind B2 · utility
5Cited by
23References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 4, 2010 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Dec 13, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/585
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is disclosed a novel sustained release granular resin-pharmaceutical composition comprising an ion exchange resin complexed with a pharmaceutical material wherein said complex is embedded into and on the surface of a diffusion barrier material. There is also disclosed a novel process for preparing the granulated complex wherein an aqueous granulating vehicle is employed to form the complex and the granulated product, thereby avoiding the use of coatings and large amounts of organic solvents in the process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.