Invention Grant
- Patent Title: Non-cement fire door core
- Patent Title (中): 非水泥防火门芯
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Application No.: US11955461Application Date: 2007-12-13
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Publication No.: US08221542B2Publication Date: 2012-07-17
- Inventor: Hubert C. Francis
- Applicant: Hubert C. Francis
- Applicant Address: US GA Atlanta
- Assignee: Georgia-Pacific Gypsum LLC
- Current Assignee: Georgia-Pacific Gypsum LLC
- Current Assignee Address: US GA Atlanta
- Agent Ram W. Sabnis
- Main IPC: C04B11/00
- IPC: C04B11/00
Abstract:
The present invention describes a fire resistant building material composition, useful for example as a fire door core and to a method of making this composition. The building material of the present invention is prepared from an aqueous mixture of predominately expanded perlite, a small amount of a binder component consisting essentially of calcined gypsum and an organic binder, and optionally a fibrous reinforcement.
Public/Granted literature
- US20090151602A1 NON-CEMENT FIRE DOOR CORE Public/Granted day:2009-06-18
Information query
