PGE.sub.1 -containing-freeze dried preparation and process for the production thereof
US5977172A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 1998 |
| Grant date | Nov 2, 1999 |
| Priority date | — |
| Expiry date | Mar 12, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K31/557
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The object of the invention is to provide a high-quality pharmaceutical preparation in the field of PGE.sub.1 -containing fat emulsions, which is more stable bacteriologically, thermally, and against aging than any preparation hereto fore available. The invention, thus, relates to a PGE.sub.1 -containing lyophilized composition derived from a fat emulsion comprising PGE.sub.1, an oil component, an emulsifier, and water having a pH controlled within the neutral region. Stated differently, the invention relates to a PGE.sub.1 -containing lyophilized composition characterized by comprising PGE.sub.1, an oil component, an emulsifier and designed to give a fat emulsion having a pH within the neutral region upon reconstitution with distilled water of pH 7.0.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.