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http://dx.doi.org/10.7844/kirr.2013.22.2.71

Technical Trends in the Patents and Papers for the Recycling of Organic Residues from Waste Printed Circuit Boards  

Lee, Dai-Soo (Division of Semiconductors and Chemical Engineering, Chonbuk National University)
Shin, Sera (Division of Semiconductors and Chemical Engineering, Chonbuk National University)
Cho, Young-Ju (Korea Institute of Geoscience and Mineral Resources)
Cho, Bong-Gyoo (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Resources Recycling / v.22, no.2, 2013 , pp. 71-77 More about this Journal
Abstract
Electronic products such as appliances, computers, and cellular phones have printed circuit boards (PCBs) in common and the PCBs in the waste electronic products contain valuable metals and organic resins. In Korea, recovery and recycling of the organic resins as well as the valuable metallics from the wastes are required indeed as the most of resources are being imported from abroad. In this article, the patents and papers for the recycling of organic residues from the waste PCBs were collected and analyzed. The open patents of USA (US), European Union (EP), Japan (JP), and Korea (KR) and SCI journals from 1979 to 2012 were investigated. The patents and journals were collected using key-words and filtered by the definition of the technology. The patents and journals were analyzed by the years, countries, companies, and technologies and the technical trends were discussed in this paper. It is showed sluggish relatively activity of published papers and patent applications for polymer manufacturing technology in local and abroad.
Keywords
E-waste organic residue; recycling; patent; paper; technical trend;
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