Foaming antacid suspension tablets
US6589507B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 13, 2001 |
| Grant date | Jul 8, 2003 |
| Priority date | — |
| Expiry date | Aug 13, 2021 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P1/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to antacid preparations comprising the following constituents:(i) an acid-binding active constituent (antacid) or a mixture of such active constituents,(ii) an effervescent mixture that releases CO2,(iii) a polymeric surfactant as foam-forming agent or a mixture of such surfactants,(iv) a swellable and gel-forming polymer or a mixture of such polymers, and(v) optionally conventional auxiliary substances,as well as a process for the production of such antacid preparations. In a particularly preferred embodiment the antacid preparation is formulated in the form of a chewable tablet. The antacid preparations according to the invention are suitable for the symptomatic treatment of duodenal ulcers, gastric ulcers, as well as heartburn and acid-caused gastric disorders such as hyperacidic gastritis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.