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CA2192353A1 - Low-fusing temperature porcelain - Google Patents

Low-fusing temperature porcelain

Info

Publication number
CA2192353A1
CA2192353A1 CA002192353A CA2192353A CA2192353A1 CA 2192353 A1 CA2192353 A1 CA 2192353A1 CA 002192353 A CA002192353 A CA 002192353A CA 2192353 A CA2192353 A CA 2192353A CA 2192353 A1 CA2192353 A1 CA 2192353A1
Authority
CA
Canada
Prior art keywords
fusing temperature
low
temperature porcelain
composition
porcelain
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002192353A
Other languages
French (fr)
Other versions
CA2192353C (en
Inventor
John A. Hornor
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ceramco Inc
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US08/354,385 external-priority patent/US5552350A/en
Application filed by Individual filed Critical Individual
Publication of CA2192353A1 publication Critical patent/CA2192353A1/en
Application granted granted Critical
Publication of CA2192353C publication Critical patent/CA2192353C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Dental Preparations (AREA)

Abstract

A low-fusing temperature porcelain composition for use in dental prostheses is disclosed having a fusing temperature of about 700 °C ~ 50 °°C and a coefficient of thermal expansion compatible witha substrate of metal or ceramic. The composition includes, in weight percent of the composition, SiO2 at 57-61, Al2O3 at 6.5-11.5, Na2O at 10-11, K2O at 8-16, Li2O at 1-3, CaO at 1.5-4, BaO at 1.5-2.5, CeO2 at 0.5-2, and Tb2O3 at 0.5-2.
CA002192353A 1994-12-12 1995-12-01 Low-fusing temperature porcelain Expired - Lifetime CA2192353C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/354,385 1994-12-12
US08/354,385 US5552350A (en) 1994-12-12 1994-12-12 Low-fusing temperature porcelain
PCT/US1995/015626 WO1996018373A1 (en) 1994-12-12 1995-12-01 Low-fusing temperature porcelain

Publications (2)

Publication Number Publication Date
CA2192353A1 true CA2192353A1 (en) 1996-06-20
CA2192353C CA2192353C (en) 2005-11-08

Family

ID=35539256

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002192353A Expired - Lifetime CA2192353C (en) 1994-12-12 1995-12-01 Low-fusing temperature porcelain

Country Status (1)

Country Link
CA (1) CA2192353C (en)

Also Published As

Publication number Publication date
CA2192353C (en) 2005-11-08

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry

Effective date: 20151201

MKEX Expiry

Effective date: 20151201