Asphalt compositions

Addition of selected dispersants comprising metal petroleum sulfurates and selected oil-soluble esters to asphaltic fractions exhibiting a positive Oliensis spot test to improve the properties thereof so that the asphaltic material will pass the Oliensis spot test and be suitable for use in paving f...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FINCH, JACK N, SPRAGUE, JANICE S
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:Addition of selected dispersants comprising metal petroleum sulfurates and selected oil-soluble esters to asphaltic fractions exhibiting a positive Oliensis spot test to improve the properties thereof so that the asphaltic material will pass the Oliensis spot test and be suitable for use in paving formulations.