Patents Examined by Mrs. Y. H. Smith
  • Flow improvers
    Patent number: 4010006
    Abstract: Polymer blends suitable as flow improvers for crude oils, comprising a polymer having a plurality of linear paraffinic C.sub.18.sub.+ side chains, and a copolymer of ethylene and an ethylenically unsaturated compound having no such side chains.
    Type: Grant
    Filed: October 18, 1973
    Date of Patent: March 1, 1977
    Assignee: Exxon Research and Engineering Company
    Inventor: Roger Charles Price