IDiyas

For the Inventor, By the Inventor

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.:

US 5750459 B1

PDFFull Text
Date of Patent:
May. 12, 1998

Filed:

Dec. 11, 1995

Sol-gel process for obtaining pure and mixed oxide zirconia spheres,

Applicant:
Inventors:

Marcello Marella, Venice, IT;

Letizia Meregalli, Venice, IT;

Michele Tomaselli, Venice, IT;

Assignee:

Enirisorse S.p.A., , IT;

Attorney:

Bell, Boyd & Lloyd

Primary Examiner:

Richard D Lovering

Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; B01J / ;
U.S. Cl.
CPC ...
502304 ; 25231501 ; 2523157 ; 501 12 ; 502-8 ; 502349 ; 502351 ;
Abstract

This invention relates to a process for obtaining pure or mixed oxide zirconia spheres, microspheres or washcoats consisting of:

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