Method of making a ceramic fiber replica of a body of reticulated organic foam
Production of porous ceramic materials
Process for producing an apatite powder having improved sinterability Patent #: 4149894
ApplicationNo. 06/267970 filed on 05/27/1981
US Classes:264/44, Burning out components to form pores264/221, With destruction of pattern or mold to dissociate264/311, Utilizing centrifugal force264/317, Removing mold by destruction264/69, TREATMENT OF MATERIAL BY VIBRATING, JARRING, OR AGITATING DURING SHAPING264/81, GAS OR VAPOR DEPOSITION OF ARTICLE FORMING MATERIAL ONTO MOLD SURFACE501/1CERAMIC COMPOSITIONS
ExaminersPrimary: Czaja, Donald E.
Assistant: Thompson, W.
Attorney, Agent or Firm
International ClassesA61F 2/28 (20060101)
A61L 27/00 (20060101)
C04B 38/10 (20060101)
A61L 27/12 (20060101)
A61F 2/00 (20060101)
A61F 2/30 (20060101)
Foreign Application Priority Data1980-06-13 JP
AbstractA process for making a porous sintered body of calcium phosphate having continuous and fine pores distributed uniformly throughout the porous body is provided which comprises the steps of: preparing a slurry of amorphous calcium phosphate having a molar ratio of calcium to phosphor ranging within 1.59 to 1.80; adding a foaming agent to said slurry; dipping a porous body of an organic material having continuous and fine void channels into said slurry prior to or after foaming said slurry to allow said slurry to adhere on the internal walls of said void channels; heating said porous body of said organic material at a temperature high enough for decomposing said organic material to varnish into smoke and concurrently for thermally converting said amorphous calcium phosphate into hydroxyapatite to form a network of hydroxyapatite; and sintering said network of hydroxyapatite to form said porous sintered body.
Field of SearchBurning out components to form pores
By treating occluded solids
TREATMENT OF MATERIAL BY VIBRATING, JARRING, OR AGITATING DURING SHAPING
GAS OR VAPOR DEPOSITION OF ARTICLE FORMING MATERIAL ONTO MOLD SURFACE
With destruction of pattern or mold to dissociate
Utilizing centrifugal force
Removing mold by destruction