{ "items" : [
    { "id" : "http://webisa.webdatacommons.org/prov/137300572"
      "properties" : {
        "http://www.w3.org/ns/prov#wasDerivedFrom" : [ "http://webisa.webdatacommons.org/49562725" ] } },

    { "id" : "http://webisa.webdatacommons.org/49562725"
      "properties" : {
        "http://www.w3.org/1999/02/22-rdf-syntax-ns#type" : [ "http://www.w3.org/ns/prov#Entity" ] ,
        "http://www.w3.org/ns/prov#value" : [ "cell foam rubber, said closed cell foam rubber layer derived from acomposition including a blowing agent.Still another aspect of the present invention is a method for preparing a composite rail, comprising the steps of applying an uncured laminate to a portion of a rail, and curing the laminate to form a composite rail, wherein the laminatecomprises two or more layers, wherein a first rubber layer" ] ,
        "http://www.w3.org/ns/prov#wasQuotedFrom" : [ "patentgenius.com"] } } }
