Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 25, 2021
Patent Application Number
16853548
Date Filed
April 20, 2020
Patent Citations Received
0
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Patent Primary Examiner
Patent abstract
An asphalt composition for use as a shingle roof coating is described. The asphalt composition includes a first asphalt feedstock and a first concentrate. The first concentrate includes an elastomeric polymer and an asphalt flux. The asphalt composition includes 0.5% to 6% by weight of the elastomeric polymer. The elastomeric polymer includes a styrenic block copolymer. The first concentrate includes 3% by weight to 25% by weight of the styrenic block copolymer. The first concentrate includes 3% by weight to 15% by weight of one of an ethylene polymer and an ethylene propylene copolymer. The first concentrate has a penetration of at least 100 dmm.
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