Takeshi Iwahama

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Yao, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water-impermeable polyolefin foam and process for preparing the same
- Patent number 4,415,680
- Issue date Nov 15, 1983
- Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
- Masahiro Ushirokawa
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL