Polymer-modified asphalt compositions

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United States of America Patent

PATENT NO 9187645
APP PUB NO 20150065619A1
SERIAL NO

14535934

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Abstract

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A modified-asphalt composition prepared by introducing a diene end-capped block copolymer with a molten asphalt composition, where the block copolymer is defined by the formula

description='In-line Formulae' end='lead'α-(D-V-d)X description='In-line Formulae' end='tail'

where each D is independently a polydiene block, each V is independently a vinyl aromatic block, each d is a polydiene end cap, α is a coupling moiety, and x is an integer from 2 to 10.

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Patent Owner(s)

Patent OwnerAddress
HERITAGE RESEARCH GROUP5400 WEST 86TH ST INDIANAPOLIS IN 46268

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Boerner, Peter Massillon, US 4 12
Graves, Daniel Canal Fulton, US 16 52
Rademacher, Christine Akron, US 35 316
Reece, Timothy Indianapolis, US 5 11
Wissel, Herb Indianapolis, US 6 84

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