Hydroxyapatite coatings and a method of their manufacture

Details Hydroxyapatite coatings and a method of their manufacture Hydroxyapatite coatings and a method of their manufacture

1996-01-02

1998-06-09

Speer, Timothy

Stock material or miscellaneous articles

Composite

Of metal

428472, 4284723, 428702, B32B 1504

Patent

active

057630925

ABSTRACT:
A process for the production of a hydroxyapatite coated article includes contacting a coating comprising hydroxyapatite with a recrystallization medium, pressurizing the recrystallization medium, heating the coated article under conditions of reduced oxygen activity at a temperature in the range of 100.degree. to 350.degree. C. A process for the production of highly crystalline hydroxyapatite coated articles includes contacting a coating comprising hydroxyapatite with recrystallization medium containing hydroxyapatite particles, pressurizing the recrystallization medium, and heating the immersed coated article under conditions effective to crystallize hydroxyapatite.

REFERENCES:
patent: 4770943 (1988-09-01), Hakamatsuka
patent: 4847163 (1989-07-01), Shimamune
patent: 4871578 (1989-10-01), Adam et al.
patent: 4960646 (1990-10-01), Shimamune

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