Bong-Hyun Kwon

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Cheongju-si, KR

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Patents Grantslast 30 patents

Information Patent Grant
Artificial marble using multicolor chip and method for preparing th...
- Patent number 7,935,281
- Issue date May 3, 2011
- LG Chem, Ltd.
- Min-Chul Sung
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Method for continuously producing artificial marble and apparatus t...
- Patent number 7,749,418
- Issue date Jul 6, 2010
- LG Chem, Ltd.
- Bong-Hyun Kwon
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Artificial marble using multicolor chip and method for preparing th...
- Patent number 7,500,899
- Issue date Mar 10, 2009
- LG Chem, Ltd.
- Min-Chul Sung
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Artificial marble reutilizing waste materials and preparation thereof
- Patent number 7,427,642
- Issue date Sep 23, 2008
- LG Chem Ltd.
- Bong-Hyun Kwon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Apparatus for continuously producing artificial marble
- Patent number 7,160,093
- Issue date Jan 9, 2007
- LG Chem, Ltd.
- Bong-Hyun Kwon
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
ARTIFICIAL MARBLE USING MULTICOLOR CHIP AND METHOD FOR PREPARING TH...
- Publication number 20090045540
- Publication date Feb 19, 2009
- LG CHEM, LTD.
- Min-Chul SUNG
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
METHOD FOR CONTINUOUSLY PRODUCING ARTIFICIAL MARBLE AND APPARATUS T...
- Publication number 20070090559
- Publication date Apr 26, 2007
- LG CHEM, LTD.
- Bong-Hyun KWON
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Artificial marble using multicolor chip and method for preparing th...
- Publication number 20060217033
- Publication date Sep 28, 2006
- Min-Chul Sung
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Artificial marble reutilizing waste materials and preparation thereof
- Publication number 20050053730
- Publication date Mar 10, 2005
- Bong-Hyun Kwon
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Method for continuously producing artificial marble and apparatus t...
- Publication number 20040119191
- Publication date Jun 24, 2004
- Bong-Hyun Kwon
- B28 - WORKING CEMENT, CLAY, OR STONE