Oxidized mixture of bio-based material and asphalt, a bio-based asphaltic material, and methods of making the same

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United States of America Patent

PATENT NO 11802218
APP PUB NO 20210214579A1
SERIAL NO

17158316

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Abstract

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A method of forming an asphalt mixture can include mixing a bio-source material and a bitumen source to form a bitumen mixture. The bitumen mixture can be mixed with a catalyst to form the asphalt mixture. Particles can be added to the asphalt mixture to form a roofing-grade asphalt mixture. In an embodiment, the bitumen source material can have a softening point of at least approximately 93° C. and a penetration distance no greater than approximately 25 dmm. In another embodiment, the roofing-grade asphalt mixture can have a softening point of at least approximately 104° C., a penetration distance no greater than approximately 12 dmm, a viscosity of at least approximately 3000 cps at a temperature of 204° C., or any combination thereof. The asphalt mixture can be applied to a base material to form a roofing product. The asphalt mixture can be applied as a pavement product.

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Patent Owner(s)

Patent OwnerAddress
CERTAINTEED LLC20 MOORES ROAD MALVERN PA 19355

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hong, Keith C Lititz, US 68 1239
Jacobs, Gregory F Oreland, US 232 6769
Kalkanoglu, Husnu M Swarthmore, US 195 6626

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