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:
Nov. 25, 2014
Filed:
Mar. 11, 2011
Applicants:
Won-jae Moon, Seoul, KR;
Sang-oeb NA, Seoul, KR;
Hyung-young OH, Goyang-si, KR;
Inventors:
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B24D 3/02 (2006.01); C09C 1/68 (2006.01); C09K 3/14 (2006.01); C01F 17/00 (2006.01); B01D 21/01 (2006.01); B03D 3/00 (2006.01); C02F 1/52 (2006.01); B24B 55/12 (2006.01); C09G 1/02 (2006.01); B24B 1/00 (2006.01); B24B 7/19 (2006.01); B24B 7/30 (2006.01); C02F 1/68 (2006.01); B01D 37/00 (2006.01); B01D 61/00 (2006.01); C02F 1/00 (2006.01);
U.S. Cl.
CPC ...
B24B 55/12 (2013.01); C09K 3/14 (2013.01); C09G 1/02 (2013.01);
Abstract
Disclosed is a method for recycling a cerium oxide abrasive. The method may include adding a strong alkali solution to a slurry waste of the cerium oxide abrasive, adding sodium fluoride to the slurry waste, and separating a cerium oxide particle included in the slurry waste from other kinds of particles.