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Please use this identifier to cite or link to this item: http://hdl.handle.net/11133/978

Title: 生分解性材料に関する内外特許動向調査
Other Titles: セイブンカイセイ ザイリョウ ニカンスル ナイガイ トッキョ ドウコウ チョウサ
Survey on the Patents for the Biodegradable Materials
Authors: 吉川, 俊夫
YOSHIKAWA, Toshio
Issue Date: 31-Mar-1996
Publisher: 愛知工業大学
Abstract: Nearly five hundred patents are annualy applied in this field, including those on the end products made of biodegradable materials, on biodegradable molding compositions, on biodegradable polymers, and on their monomer production. A method for the classification of patent applications in this field is proposed, and according to this clasification the recent trend in research and development for biodegradable materials is analyzed.
URI: http://hdl.handle.net/11133/978
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