- 专利标题： LIGHTWEIGHT, REDUCED DENSITY FIRE RATED GYPSUM PANELS
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申请号： EP12709203.9申请日： 2012-02-24
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公开(公告)号： EP2678289B1公开(公告)日： 2018-08-22
- 发明人: YU, Qiang , LUAN, Wenqi , SONG, Weixin D. , VEERAMASUNENI, Srinivas , LI, Alfred
- 申请人： United States Gypsum Company
- 申请人地址： 550 West Adams Street Chicago, IL 60661-3676 US
- 专利权人： United States Gypsum Company
- 当前专利权人： United States Gypsum Company
- 当前专利权人地址： 550 West Adams Street Chicago, IL 60661-3676 US
- 代理机构： BSB Patentanwälte Schütte & Engelen Partnerschaft mbB
- 优先权： US201161446941P 20110225
- 国际公布： WO2012116325 20120830
- 主分类号： C04B20/06
- IPC分类号： C04B20/06 ; C04B28/14
摘要：
A reduced weight, reduced density gypsum panel that includes high expansion vermiculite with fire resistance capabilities that are at least comparable to (if not better than) commercial fire rated gypsum panels with a much greater gypsum content, weight and density.
公开/授权文献
- EP2678289A1 LIGHTWEIGHT, REDUCED DENSITY FIRE RATED GYPSUM PANELS 公开/授权日：2014-01-01
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