Asphalt upgrading without oxidation

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United States of America Patent

PATENT NO 9598610
APP PUB NO 20150322263A1
SERIAL NO

14705302

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Abstract

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Disclosed are asphalts that are suitable for making shingles and other roofing material, i.e., coating asphalts, from harder paving asphalts, without oxidation of the paving asphalts. This is achieved by using various additives, including polyethylene waxes, low density and high density polyethylene materials, hard paraffin polyethylene, Sasol waxes, that are made using the Fischer-Tropsch process, and thermoplastic polyolefins that reduce brittleness at cold temperatures.

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Patent Owner(s)

Patent OwnerAddress
TAMKO BUILDING PRODUCTS LLC198 FOUR STATES DRIVE GALENA KS 66739

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hilsenbeck, Shane Joplin, US 2 23

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