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. 04, 2011
Filed:
Jul. 28, 2005
Applicants:
Jun-seok Nho, Daejeon, KR;
Jang-yul Kim, Daejeon, KR;
Myoung-hwan OH, Daejeon, KR;
Jong-pil Kim, Daejeon, KR;
Seung-beom Cho, Daejeon, KR;
Inventors:
Jun-seok Nho, Daejeon, KR;
Jang-yul Kim, Daejeon, KR;
Myoung-hwan Oh, Daejeon, KR;
Jong-pil Kim, Daejeon, KR;
Seung-beom Cho, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C01F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to cerium oxide powder and a process for producing the same. The cerium oxide powder of the invention, which is produced by mixing a cerium source such as cerium oxide, cerium hydroxide and cerium carbonate with an alkali metal compound, as flux, and performing high temperature treatment, may have a variety particle size while having spherical shape.