Invention Grant
- Patent Title: Expandable composite resin particles for long-term storage, pre-expanded particles formed therefrom and expanded molded articles
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Application No.: US14212090Application Date: 2014-03-14
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Publication No.: US08901183B2Publication Date: 2014-12-02
- Inventor: Yasutaka Tsutsui , Masahiko Ozawa
- Applicant: Sekisui Plastics Co., Ltd.
- Applicant Address: JP Osaka
- Assignee: Sekisui Plastics Co., Ltd.
- Current Assignee: Sekisui Plastics Co., Ltd.
- Current Assignee Address: JP Osaka
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JP2009-049212 20090303
- Main IPC: C08J9/00
- IPC: C08J9/00 ; C08J9/12 ; C08J9/16 ; C08J9/20 ; C08J9/228 ; C08J9/18
Abstract:
Expandable composite resin particles for long-term storage, comprising 500 to 5000 ppm of water and 7.5 to 11.0% by weight of pentane in composite resin of polyolefin-based resin and polystyrene-based resin.
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