Fire-resistant building component
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Feb 21, 1995
Grant Date -
N/A
app pub date -
Sep 21, 1992
filing date -
Sep 21, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A method of, and compositions for, the making of a fire-resistant door core assembly. Doors produced from the door core assemblies. In the making of a door core assembly, an aqueous slurry containing gypsum cement and diatomaceous earth is prepared. The slurry may also include expanded mineral ore material and Portland cement. The slurry preliminarily hardens during a green cure stage.
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Family
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Cited Art Landscape
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