Nippon Polyuerthane Industry Co., Ltd
Minato-ku, JP
Nippon Polyuerthane Industry Co., Ltd Patent applications | ||
Patent application number | Title | Published |
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20090318657 | Sealing gasket for closure and process for production of closure using the same - A sealing gasket for closure, made of a polyurethane elastomer obtained by reacting the following (A), (B) and (C): | 12-24-2009 |