Hydroxypatite dispersions comprising a stabilising agent with a phosphoryl, sulphinyl or carboxyl functional , and method for preparing same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 17, 2004
app pub date -
Oct 20, 2003
filing date -
Apr 27, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention concerns a stable aqueous colloidal dispersion with apatite structure, having a pH ranging between 3.5 and 9,5, oblong-shaped with average length between 20 and 200 nm and an equivalent aspect ratio (average length/equivalent diameter ratio) between 5 and 500, and comprising as stabilising agent a compound of formula (I), a compound of formula (II) or a compound of formula (III), such as defined below, optionally in ionized form, or a mixture of said compounds, said colloids with apatite structure corresponding to formula (IV): Ca.sub.10-x(HPO.sub.4).sub.x(PO.sub.4).sub.6-x(J).sub.2-x, wherein x and J are such as defined in claim 1, the stabilising agents corresponding to formula (I), wherein p, X, G.sub.1, n, R and m are such as defined in claim 1; the stabilising agents corresponding to formula (II), wherein A, X'', K, n' and R' are such as defined in claim 1; the stabilising agents corresponding to formula (III), wherein X, G.sub.1, n and R are such as described in claim 1. 1
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully