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:
Sep. 12, 2017
Filed:
Mar. 17, 2015
Applicant:
Cqv Co., Ltd., Jincheon-gun, Chungcheongbuk-do, KR;
Inventors:
Kwang-Choong Kang, Cheongju-si, KR;
Kyung-Don Nam, Jincheon-gun, KR;
Yong-Ho Son, Cheongju-si, KR;
Myung-Ho Jung, Jincheon-gun, KR;
Byung-Ki Choi, Cheongju-si, KR;
Kwang-Soo Lim, Jincheon-gun, KR;
Kil-Wan Chang, Cheongju-si, KR;
Assignee:
CQV CO., LTD., Jincheon-Gun, Chungcheongbuk-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01F 7/02 (2006.01); C09C 1/00 (2006.01); C09D 17/00 (2006.01); C09D 5/36 (2006.01); C09C 1/40 (2006.01);
U.S. Cl.
CPC ...
C09C 1/0078 (2013.01); C09C 1/407 (2013.01); C09D 5/36 (2013.01); C09D 17/006 (2013.01); C01P 2004/20 (2013.01); C01P 2004/54 (2013.01); C01P 2004/61 (2013.01);
Abstract
The present invention relates to flaky aluminum oxide and a preparation method thereof, and more particularly, to a flaky aluminum oxide which is suitably used as a substrate for a pearlescent pigment or the like, and to a preparation method thereof.