Mixed metal compounds used as antacids
US10201501B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 24, 2008 |
| Grant date | Feb 12, 2019 |
| Priority date | — |
| Expiry date | Nov 10, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P1/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
There is provided use of a mixed metal compound in the manufacture of medicament for neutralizing or buffering stomach acid, wherein the mixed metal compound contains at least one trivalent metal selected from iron (III) and aluminum and at least one divalent metal selected from of magnesium, iron, zinc, calcium, lanthanum and cerium, wherein (A) the mixed metal compound is of formula (I): MII1-aMIIIaObAn−c.zH2O (I) where MII is the at least one bivalent metal; MIII is the at least one trivalent metal; An− at least one n-valent anion; 2+a=2b+Σcn and Σcn<0.9a, and z is 2 or less, and/or (B) the mixed metal compound is provided in the form of a granular material comprising (i) at least 50% by weight, based on the weight of the granular material, of the mixed metal compound (ii) from 3 to 12% by weight, based on the weight of the granular material, of non-chemically bound water, and (iii) no greater than 47% by weight based on the weight of the granular material of excipient.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.