Patent · US Active

Polymer-modified asphalt compositions

US8580874B2 · kind B2 · utility

2Cited by

3References

22Claims

0Family size

Assignees

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

Inventors

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

Key dates

Filing date	Apr 18, 2008
Grant date	Nov 12, 2013
Priority date	—
Expiry date	Jul 21, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S525/901
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition.

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