The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 1998
Filed:
May. 01, 1997
Carmen Hofmann, geb Roth, Bergheim/Klessen, DE;
Ludwig J Gauckler, Schaffhausen, DE;
Gerhard Bayer, Egg ZH, AU;
Martin E Hofmann, Bergheim/Klessen, DE;
Atef Malash, Zumikon, DE;
Peter Scharer, Zurich, CH;
Heinz Luthy, Neuchatel, CH;
Klaus Krumbholz, Langen, DE;
Wigbert Hauner, Langen, DE;
Hansjorg Janssen, Frankfurt am Main, DE;
Ralf Janda, Frankfurt am Main, DE;
Dentsply G.m.b.H., , DE;
Abstract
A shaped, high-strength dental ceramic prosthesis is made by pressing a molding composition including from about 1 to 50 percent by weight glass particles and from about 99 to about 50 percent by weight inorganic oxide particles at a pressure of from about 10 to about 40 MPa and a temperature of from about 1000.degree. to about 1200.degree. C. Dental prostheses prepared in accordance with the invention include crowns, bridges, inlays and onlays.