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:
Dec. 08, 1998
Filed:
Nov. 30, 1995
Applicant:
Inventor:
Kunio Saegusa, Tsukuba-gun, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F / ;
U.S. Cl.
CPC ...
423263 ; 423593 ; 423594 ; 423596 ; 423600 ;
Abstract
A method for producing a double metal oxide of the general formula: XMO.sub.3 in which X is Li, Na, K, Pb, Ba, Mg, Ca, Sr, La, Y or Bi, and M is Al, Mn, Ti, Zr, Sn, Mg, Zn, Fe, Co, Ni, Nb, Ta or W, which has a narrow particle size distribution and contains few agglomerates, by calcining a mixture of a simple oxide of metal X and a simple oxide of metal M; amorphous double metal oxide particles comprising X and M or their mixture; or metal oxide precursors which are converted to said simple metal oxides or said double metal oxide, in the presence of iodine or hydrogen iodide.