Patents by Inventor Aaron BROTHERS

Aaron BROTHERS has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • STYRENIC BLOCK COPOLYMER COMPOSITIONS
    Publication number: 20170073513
    Abstract: This disclosure relates to a block copolymer composition comprising a tetra-branched block copolymer (IV) having a true number average molecular weight of 40,000 to 120,000 represented by the general formula (A-B)4X; a tri-branched block copolymer (III) having a true number average molecular weight of from 30,000 to 90,000 represented by the general formula (A-B)3X; di-branched block copolymer (II) having a true number average molecular weight of from 20,000 to 60,000 represented by the general formula (A-B)2X; and a linear diblock copolymer (I) having a true number average molecular weight of from 10,000 to 30,000 represented by the general formula A-B; where A represents a polymer block of a mono alkenyl arene; B represents a polymer block of a conjugated diene, wherein the B has a true number average molecular weight ranging from 7,000 to 20,000 g/mol; and X represents the residue of an alkoxy silane coupling agent.
    Type: Application
    Filed: September 16, 2016
    Publication date: March 16, 2017
    Applicant: KRATON POLYMERS U.S. LLC
    Inventors: John E. FLOOD, Kathryn J. WRIGHT, Xavier D. MUYLDERMANS, Mike HENIFF, Carl L. WILLIS, Yonghua ZHOU, Aaron BROTHERS