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:
Jul. 22, 1997
Filed:
Jan. 17, 1996
Applicant:
Inventors:
Thae-Khapp Kang, Daejeon-Si, KR;
Seok-Jin Oh, Daejeon-Si, KR;
Sun-Jae Kim, Daejeon-Si, KR;
Choong-Hwan Jung, Daejeon-Si, KR;
Il-Hyun Kuk, Daejeon-Si, KR;
Assignees:
Korea Atomic Energy Research Institute, Daejeon-Si, KR;
Korea Electric Power Corporation, Seoul, KR;
Primary Examiner:
Int. Cl.
CPC ...
C01B / ;
U.S. Cl.
CPC ...
423335 ;
Abstract
The present invention provides silica balls in a spherical shape, the silica balls having a porous internal structure and a dense outside layer.