Patent · US Active

Modified asphalt binders and asphalt paving compositions

US7642302B2 · kind B2 · utility

7Cited by

35References

30Claims

0Family size

Assignees

Firestone Polymers, LLC · US
Heritage Research Group, LLC · US

Inventors

William L. Hergenrother · Akron, US
Peter W. Boerner · Massillon, US
Daniel F. Graves · Canal Fulton, US
Christine Rademacher · Akron, US
Timothy P. Reece · Indianapolis, US
Herbert L. Wissel · Indianapolis, US

Key dates

Filing date	Jun 20, 2007
Grant date	Jan 5, 2010
Priority date	—
Expiry date	Nov 2, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L53/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A process for preparing a modified asphalt binder composition, the process comprising mixing asphalt, an unsaturated polymer, and phosphorus pentasulfide to form a modified asphalt composition.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.