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:
Oct. 25, 1988
Filed:
Mar. 11, 1987
Applicant:
Inventors:
Jerry J Kaczur, Cleveland, TN (US);
Larry D Carpenter, Cleveland, TN (US);
Assignee:
Olin Corporation, Cheshire, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
252 6259 ; 252 6256 ; 252 6262 ; 252 6263 ;
Abstract
Doped co-precipitates of magnetite (Fe.sub.3 O.sub.4) and ACO.sub.3, wherein A is barium, are prepared by a simplified process. This process involves reacting together, in an aqueous medium containing dopant ions, a ferric compound, a ferrous compound, a barium compound and an alkali metal carbonate.