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:
Nov. 25, 2003
Filed:
Aug. 13, 2001
Applicant:
Inventors:
Raymond E. Barnes, Wadsworth, OH (US);
Richard A. Pipoly, Garfield Heights, OH (US);
Ivan H. Joyce, Hudson, OH (US);
Javier Garcia Sainz, Castellon, ES;
Assignee:
Ferro Corporation, Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01B 1/314 ; C04B 1/430 ;
U.S. Cl.
CPC ...
C01B 1/314 ; C04B 1/430 ;
Abstract
A method for continuously calcinating product to form mixed metal oxide powders comprising providing a continuously operated indirectly heated rotary furnace having a heating cavity, introducing raw feedstock including product to be calcined into the heating cavity of the furnace while the heating cavity is maintained at temperature, and maintaining a controlled atmosphere in the heating cavity during the heating of the feedstock, and discharging and recovering the mixed metal oxide powders.