Patent · US Expired

Coral purification method and coral thus obtained

US7608283B2 · kind B2 · utility

0Cited by
5References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 6, 2004
Grant dateOct 27, 2009
Priority date
Expiry dateDec 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.