USE OF AN ESTER ADDITIVE AND PAVING GRADE ASPHALT IN BUILT UP ROOFING ASPHALT COMPOSITION MANUFACTURE

Thermally stable built-up roofing asphalt ("BURA") composition comprising a paving grade asphalt is disclosed. The paving grade asphalt has been over-blown to a first softening point and an additive is included in an amount to achieve a second softening point. The additive comprises at lea...

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Bibliographische Detailangaben

Hauptverfasser:	FRANZEN, MICHAEL R, LEWANDOWSKI, LAURAND H, QUINN, ROBERT EDWIN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS GENERAL PROCESSES OF COMPOUNDING METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS WORKING-UP
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