Reducing crumb rubber modified bitumen odors

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11274208
APP PUB NO 20210284844A1
SERIAL NO

16340754

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Abstract

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A method for reducing odors including the steps of admixing active agents and a diluting agent to liquid crumb rubber modified bitumen, wherein the active agents comprise 20 to 60 wt.-% of an aldehyde selected from alpha-hexyl cinnamaldehyde, 2-(4-tert.-butylbenzyl) propionaldehyde, 2-benzylidenheptanal, or mixtures thereof, and 10 to 40 wt.-% of one or more alcohols having a boiling point of at least 150° C., calculated on the total weight of active agents. A crumb rubber modified bitumen composition as obtained by the method above. The use of a crumb rubber modified bitumen composition as obtained by the method above in road surfacing and road base materials, in insulating layers for buildings, in roofing materials and/or in sealing sheeting.

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Patent Owner(s)

  • SHELL OIL COMPANY

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Colange, Jacques Colombes, FR 7 16
Xu, Liting Shanghai, CN 2 0
Yan, Hui Beijing, CN 37 92

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