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:
Sep. 28, 1993
Filed:
Aug. 17, 1992
Applicant:
Inventors:
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 63 ; 2643282 ; 501103 ;
Abstract
Zirconia sintered bodies are produced by injection molding a zirconia composition comprising zirconia powder and an organic binder and firing the molded composition. High density sintered bodies having strength, white transparency and smoothness are obtained when zirconia powder containing 2 to 10 mol % of yttria in solid solution form and having a specific surface area of up to 12 m.sup.2 /g as measured by the BET method and a product of average particle size by specific surface area of up to 3 .mu.m.multidot.m.sup.2 /g is used.