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公开(公告)号：US20190276660A1
公开(公告)日：2019-09-12
申请号：US16293768
申请日：2019-03-06
Applicant: SI Group, Inc.
Inventor： Joseph T. Doane , Kelly S. Chichak , Brian Christofel , Elliott W. Shanklin
Abstract: An asphaltene dispersant composition is provided. The composition may contain an alkylphenol copolymer having the following repeating units (A) and (B): wherein, x is an integer from 1 to 200; y is an integer from 2 to 200; R1 is a straight or branched C1-C15 alkyl; and R2 is a straight or branched C2-C40 alkyl, wherein R2 is different than R1.
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