EP0119062A2
Expired / Lapsed
EP
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Storable dental porcelain paste
Assignee: Johnson and Johnson Dental Products Co
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Filing: 1984-03-08
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Granted: —
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Expires: 2004-03-08
Abstract
Abstract A storable paste-like material for use in preparing porcelain dental prostheses comprises porcelain powder, water, and a small amount of a finely divided ceramic material that overcomes the dilatance of the mixture of porcelain powder and water.
Inventors
- 👤 Carlino Panzera
- 👤 Robin Mackay Forbes Jones
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-04 12:51
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/80; A61K6/802; A61K6/816; A61K6/15; A61K6/17; A61K6/807; A61K6/818
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
47 words
A storable paste-like material for use in preparing porcelain dental prostheses, which comprises porcelain powder, water, and finely divided ceramic, said finely divided ceramic having a particle size and being present in such proportion that it overcomes the dilatance of the mixture of porcelain powder and water.
Claim 2
Dependent Claim
47 words
A storable paste-like material for use in preparing porcelain dental prostheses, which comprises porcelain powder, water, and finely divided ceramic, said finely divided ceramic having a particle size and being present in such proportion that it overcomes the dilatance of the mixture of porcelain powder and water.
Claim 3
Dependent Claim
17 words
The storable paste-like material of claim 1 wherein . said finely divided ceramic is a magnesium silicate.
Claim 4
Dependent Claim
33 words
The storable paste-like material of claim 1 or claim 2 wherein the finely divided ceramic is employed in an amount of from 1/4 to 1 weight per cent,.based on weight of porcelain powder.
Claim 5
Dependent Claim
33 words
The storable paste-like material of claim 1, claim 2 or claim 3 wherein the water is present in amounts of from 24 to 28 weight per cent, based on weight of porcelain powder.
Claim 6
Independent Claim
52 words
A method of preparing a storable paste-like material for use in preparing porcelain dental prostheses, comprising mixing together porcelain powder, water and finely divided ceramic, said finely divided ceramic having-a particle size and being present in such proportion that it will overcome the dilatance of the mixture of porcelain powder and water.
Claim 7
Independent Claim
52 words
A method of preparing a storable paste-like material for use in preparing porcelain dental prostheses, comprising mixing together porcelain powder, water and finely divided ceramic, said finely divided ceramic having-a particle size and being present in such proportion that it will overcome the dilatance of the mixture of porcelain powder and water.
Claim 8
Dependent Claim
23 words
The method of claim 5, wherein the water is first mixed with the finely divided ceramic and the procelain powder is then added.
References Cited (Backward Citations)
No citation records indexed.
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