Use of an ester additive and paving grade asphalt in built up roofing asphalt composition manufacture

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United States of America Patent

PATENT NO 10336906
APP PUB NO 20150259506A1
SERIAL NO

14658439

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Abstract

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Thermally stable built-up roofing asphalt (“BURA”) composition comprising a paving grade asphalt is disclosed. The paving grade asphalt has been over-blown to a first softening point and an additive is included in an amount to achieve a second softening point. The additive comprises at least at least one ester. The BURA composition is thermally stable at processing temperatures of at least 450° F.

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Patent Owner(s)

Patent OwnerAddress
OWENS CORNING INTELLECTUAL CAPITAL LLCONE OWENS CORNING PARKWAY TOLEDO OH 43659

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Franzen, Michael R Lombard, US 11 181
Lewandowski, Laurand H Newark, US 7 134
Quinn, Robert Edwin New Albany, US 6 50

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