Compositions of and method for preparing stable particles in a frozen aqueous matrix
US7112340B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 11, 2002 |
| Grant date | Sep 26, 2006 |
| Priority date | — |
| Expiry date | Feb 19, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K2800/92
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention discloses a composition of a stable suspension of a poorly water soluble pharmaceutical agent or cosmetic in the form of particles of the pharmaceutical agent or cosmetic suspended in a frozen aqueous matrix and method for its preparation. The composition is stable for a prolonged period of time, preferably six months or longer and is suitable for parenteral, oral, or non-oral routes such as pulmonary (inhalation), ophthalmic, or topical administration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.