Paraffin inhibitor/PPD products with vinyl acetate-alkyl acrylate/methacrylate copolymers combined with ethylene-based copolymers
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United States of America Patent
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Jun 6, 2023
Grant Date -
Dec 22, 2022
app pub date -
Jun 20, 2021
filing date -
Jun 20, 2021
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Abstract
A stabilized paraffin inhibitor/pour point depressant (PI/PPD) product formulation is described which includes a copolymer having a monomer selected from the group consisting of alkyl acrylate polymers, alkyl methacrylate polymers, and combinations thereof, where the copolymer comprises vinyl acetate and the product includes an ethylene-based copolymer. The presence of the vinyl acetate stabilizes the product to prevent or inhibit the ethylene-based copolymer from separating out of the product. The product is useful to reduce paraffin deposition and/or improve flow characteristics of petroleum fluids, such as crude oil.
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