Coral purification method and coral thus obtained
US7608283B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 6, 2004 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Dec 13, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L2430/02
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides a method of extracting organic substances present in coral, which consists in treating the coral with a fluid or a mixture of fluids in the supercritical state without modifying the crystalline structure of said coral, at a temperature of less than 270° C. and at a pressure which is much higher than the critical pressure of said fluid or mixture of fluids, for example of the order of at least 3 times, and preferably at least 5 times said critical pressure. It also provides coral obtained by said method and bone substitutes fabricated from said coral.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.