{
  "$type": "site.standard.document",
  "description": "A polyolefin microporous membrane formed of a polyolefin resin, as a main component, comprising 50 to 99% by mass of polypropylene and 1 to 50% by mass of propylene-±-olefin copolymer, wherein a content of the ±-olefin in the propylene-±-olefin copolymer is more than 1% by mass and 15% by mass or…",
  "path": "/patents/981211",
  "publishedAt": "2013-12-11T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B29C48/0018",
    "ASAHI KASEI E MATERIALS CORP [JP]"
  ],
  "textContent": "A polyolefin microporous membrane formed of a polyolefin resin, as a main component, comprising 50 to 99% by mass of polypropylene and 1 to 50% by mass of propylene-±-olefin copolymer, wherein a content of the ±-olefin in the propylene-±-olefin copolymer is more than 1% by mass and 15% by mass or less.",
  "title": "Polyolefin microporous membrane"
}