Invention Grant
- Patent Title: Lightweight, reduced density fire rated gypsum panels
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Application No.: US15457466Application Date: 2017-03-13
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Publication No.: US10245755B2Publication Date: 2019-04-02
- 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 ; B28B11/12 ; B28B11/24 ; B32B5/16 ; B32B9/00 ; E04B1/94 ; E04C2/04 ; C04B111/00 ; C04B111/28
Abstract:
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.
Public/Granted literature
- US20170183868A1 LIGHTWEIGHT, REDUCED DENSITY FIRE RATED GYPSUM PANELS Public/Granted day:2017-06-29
Information query
