Title:
【発明の名称】新規な形態的特徴を有する酸化第二セリウム
Document Type and Number:
Japanese Patent JP2655138
Kind Code:
B2
Abstract:
Morphologically improved cerium oxide particulates useful, e.g., as catalysts/catalyst supports, and having a B.E.T. specific surface of at least 85+/-5 m2/g, measured at a temperature ranging from 350 DEG C. to 450 DEG C., are prepared by hydrolyzing an aqueous solution of a cerium (IV) salt in an acidic medium, filtering the precipitate of hydrolysis which results, washing and optionally drying said precipitate, and then calcining same.
Inventors:
JAN IBU SHAANU SHAN
JAN IBU DEYUMUUSOO
JAN IBU DEYUMUUSOO
Application Number:
JP24045795A
Publication Date:
September 17, 1997
Filing Date:
August 28, 1995
Export Citation:
Assignee:
ROONU PUURAN SUPESHIARITE SHIMIIKU
International Classes:
B01J21/00; B01J23/10; B01J32/00; B01J35/04; B01J35/10; C01F17/235; C07F17/00; (IPC1-7): C01F17/00; B01J23/10; B01J32/00
Other References:
【文献】ソ連国特許発明833525(SU,A)
Attorney, Agent or Firm:
Motohiro Kurauchi (1 outside)