Liquid suspensions of nitrofurantoin
US5178880A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 25, 1989 |
| Grant date | Jan 12, 1993 |
| Priority date | — |
| Expiry date | Jul 25, 2009 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/4178
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compositions, for the administration of nitrofurantoin to a human or other animal subject, comprising: PA0 (a) a safe and effective amount of nitrofurantoin particulates having a surface consisting of nitrofurantoin monohydrate, wherein said particulates have a mean particle size greater than about 200 mesh size; PA0 (b) nitrofurantoin monohydrate; PA0 (c) an effective amount of a suspending agent; and PA0 (d) water; wherein the pH of said composition is from about 1 to about 6; and said nitrofurantoin monohydrate is dissolved in said water at saturation level. The nitrofurantoin of this invention are highly efficacious for the oral delivery of nitrofurantoin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.