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:
Aug. 18, 1992
Filed:
Feb. 21, 1991
Applicant:
Inventors:
Maurizio Castellano, Turin, IT;
Thomas P Lockhart, San Donato Milanese, IT;
Armando Marcotullio, San Donato Milanese, IT;
Assignee:
Eniricerche S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
423608 ; 423266 ; 423593 ; 501103 ;
Abstract
Mixed zirconium and yttrium oxides (ZrO.sub.2 (Y.sub.2 O.sub.3)) with a yttrium content (evaluated as metal) from about 15 to about 21% by weight, as powders in cubic crystal form, are prepared by:
Castellano, Maurizio. (1992). Process for preparing mixed zirconium and yttrium oxide powders (U.S. Patent No. 5139766). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5139766
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile