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:
Apr. 22, 2014
Filed:
Mar. 09, 2011
Sang-soon Choi, Daejeon, KR;
Seung-beom Cho, Daejeon, KR;
Hyun-chul Ha, Daejeon, KR;
Ick-soon Kwak, Daejeon, KR;
Jun-yeon Cho, Daejeon, KR;
Sang-Soon Choi, Daejeon, KR;
Seung-Beom Cho, Daejeon, KR;
Hyun-Chul Ha, Daejeon, KR;
Ick-Soon Kwak, Daejeon, KR;
Jun-Yeon Cho, Daejeon, KR;
LG Chem, Ltd., Seoul, KR;
Abstract
The present invention relates to crystalline cerium oxide prepared in a simple, economical, and efficient manner, of which crystal structure, shape, and size can be easily adjusted and that exhibits excellent polishing properties, and a preparation method thereof. The crystalline cerium oxide can be prepared as sub-micron crystalline cerium oxide that has a mean volume diameter and a diameter standard deviation within a predetermined range.