Title:
Building board
United States Patent 2634208
Inventors:
Jack, Miscall
Rahr, Chester E.
Publication Date:
04/07/1953
Export Citation:
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Assignee:
GREAT LAKES CARBON CORP
Primary Class:
162/171
Other Classes:
106/122, 106/277, 106/282, 106/DIG.1, 106/DIG.2, 162/159
International Classes:
C04B20/10; C04B24/36; C04B30/02; C04B20/00; C04B24/00; C04B30/00
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US Patent References:
2542721Fire retardant waterproof coating
2501962Process for expanding earth materials
2501698Thermal expansion and vesiculation process for siliceous materials
2388060Ceramic composition
1978923Composition board
1925584Production of pulps containing thermoplastic substances
1905541Fireproof wall board
1825869Process of producing felted materials containing bitumen
1722434Process of making felted fibrous compositions
1537949Waterproof product