Patent EP0299342A1 successfully refreshed from Google Patents.
EP0299342A1
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Bioceramic materials
Assignee: National Institute of Advanced Industrial Science and Technology
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Filing: 1988-07-06
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Granted: —
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Expires: 2008-07-06
Abstract
Abstract Bioceramic materials obtained by sintering a mixture of zirconia, a calcium phosphate compound and a metal fluoride, assure improved adhesion to biological tissues, the quality of utmost importance in any bioceramic material and contribute to improved processablility.
Inventors
- 👤 Nobuyuki Tamari
- 👤 Motoya Mouri
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-24 23:12
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/01; C04B35/447; A; A61; A61K; A61K6/00; A61K6/50; A61K6/58; A61K6/80; A61K6/802; A61K6/818; A61K6/822; A61K6/831; A61K6/838; B; B82; B82Y; B82Y30/00; C04B35/48; C04B35/486; C04B35/488; C04B35/622; C04B35/64; C04B35/645; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3208; C04B2235/3212; C04B2235/3224; C04B2235/3225; C04B2235/3231; C04B2235/3244; C04B2235/3246; C04B2235/44; C04B2235/444; C04B2235/445; C04B2235/50; C04B2235/54; C04B2235/5409; C04B2235/5418; C04B2235/5445; C04B2235/5454; C04B2235/70; C04B2235/74; C04B2235/77; C04B2235/96
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
18 words
A bioceramic material obtained by sintering a mixture of zirconia, a calcium phosphate compound and a metal fluoride.
Claim 2
Dependent Claim
18 words
A bioceramic material obtained by sintering a mixture of zirconia, a calcium phosphate compound and a metal fluoride.
Claim 3
Dependent Claim
15 words
A bioceramic material claimed in claim 1, wherein zirconia is a stabilized zirconia with yttria.
Claim 4
Dependent Claim
14 words
A bioceramic material claimed in claim 1, wherein the calcium phophate compound is hydroxyapatite.
Claim 5
Dependent Claim
14 words
A bioceramic material claimed in claim 1, wherein the metal fluoride is calcium fluoride.
Claim 6
Dependent Claim
29 words
A bioceramic material claimed in claim 1, wherein the ratio of zirconia to calcium phosphate compound is such that zirconia accounts for about 15 to 75 percent by volume.
Claim 7
Dependent Claim
19 words
A bicoceramic material claimed in claim 1, wherein the proportion of metal fluoride is about 0.1 to 1.5 percent.
Claim 8
Dependent Claim
20 words
A bioceramic material claimed in claim 1, wherein the sintering temperature is in the range of about 1,100 to 1,500°C.
Claim 9
Dependent Claim
22 words
A process for producing a bioceramic material which comprises sintering a mixture of zirconia, a calcium phosphate compound and a metal fluoride.
Claim 10
Dependent Claim
22 words
A process for producing a bioceramic material which comprises sintering a mixture of zirconia, a calcium phosphate compound and a metal fluoride.
References Cited (Backward Citations)
US4626392A
Cited
JPS62142565A
Cited
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