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:
Mar. 17, 2015
Filed:
Oct. 02, 2007
Applicants:
Jong-sik Choi, Daejeon, KR;
Ju-hyung Lee, Seoul, KR;
Seong-moon Jung, Daejeon, KR;
Sun-joo Kim, Daejeon, KR;
Inventors:
Jong-Sik Choi, Daejeon, KR;
Ju-Hyung Lee, Seoul, KR;
Seong-Moon Jung, Daejeon, KR;
Sun-Joo Kim, Daejeon, KR;
Assignee:
LG Hausys, Ltd., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 9/00 (2006.01); C04B 33/13 (2006.01); C04B 41/00 (2006.01); C04B 41/50 (2006.01); C04B 41/86 (2006.01);
U.S. Cl.
CPC ...
C04B 33/13 (2013.01); C04B 41/009 (2013.01); C04B 41/5022 (2013.01); C04B 41/86 (2013.01);
Abstract
A tile using an activated carbon, which is excellent as a formaldehyde absorbent, and a preparation process thereof are disclosed. The effect of activated carbon on absorbing formaldehyde is maximized by the activated carbon-in-core structure, in which the problem of activated carbon that is easily oxidized during a heat treatment may be overcome.