Coral purification method and coral thus obtained

Details Coral purification method and coral thus obtained Coral purification method and coral thus obtained

2004-12-06

2009-10-27

Naff, David M. (Department: 1651)

Drug, bio-affecting and body treating compositions

Extract, body fluid, or cellular material of undetermined...

C514S021800, C435S262000

Reexamination Certificate

active

07608283

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.

REFERENCES:
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patent: 5723012 (1998-03-01), Fages et al.
patent: 6217614 (2001-04-01), Fages et al.
patent: 6414050 (2002-07-01), Howdle et al.
patent: 6579532 (2003-06-01), Mandel et al.
patent: 1144102 (1997-03-01), None
patent: 1203189 (1998-12-01), None
patent: 1416910 (2003-05-01), None
patent: 99/02200 (1999-01-01), None
Derwent Abstract, (CN 1144102A abstract only), 1997.

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