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公开(公告)号：USRE49447E1
公开(公告)日：2023-03-07
申请号：US17345859
申请日：2021-06-11
Applicant: MARATHON PETROLEUM COMPANY LP
Inventor： Stormy Brewster , Steve Jones , Dennis Keppers
Abstract: This invention involves the addition of ester bottoms to an asphalt paving composition to improve the usable temperature range (UTR). The ester bottoms are a byproduct of refining a feedstock containing all or a portion of vegetable oil or animal fat.
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