Invention Grant
- Patent Title: Lightweight, reduced density fire rated gypsum panels
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Application No.: US14181590Application Date: 2014-02-14
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Publication No.: US09623586B2Publication Date: 2017-04-18
- Inventor: Qiang Yu , Srinivas Veeramasuneni , Weixin D. Song , Wenqi Luan
- Applicant: United States Gypsum Company
- Applicant Address: US IL Chicago
- Assignee: United States Gypsum Company
- Current Assignee: United States Gypsum Company
- Current Assignee Address: US IL Chicago
- Agency: Leydig, Voit & Mayer, Ltd.
- Agent Philip T. Petti; Pradip K. Sahu
- Main IPC: B28B1/50
- IPC: B28B1/50 ; C04B20/06 ; C04B28/14 ; B32B38/00 ; C04B111/00 ; C04B111/28
Abstract:
A method of preparing a reduced weight, reduced density gypsum panel that includes high expansion vermiculite with fire resistance that meet or exceed one or more industry standard fire tests.
Public/Granted literature
- US20140158273A1 LIGHTWEIGHT, REDUCED DENSITY FIRE RATED GYPSUM PANELS Public/Granted day:2014-06-12
Information query
