{
  "$type": "site.standard.document",
  "description": "Provided are pneumatic tires having good processability and achieving a balanced improvement in wet-grip performance, fuel economy, abrasion resistance, flex fatigue resistance, and durability. The invention relates to a pneumatic tire including at least one selected from the group consisting of a…",
  "path": "/patents/945911",
  "publishedAt": "2016-03-16T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/0016",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided are pneumatic tires having good processability and achieving a balanced improvement in wet-grip performance, fuel economy, abrasion resistance, flex fatigue resistance, and durability. The invention relates to a pneumatic tire including at least one selected from the group consisting of a tread, a sidewall, and a tire internal component, the at least one being formed from a rubber composition containing carbon black, silica, and an emulsion-polymerized rubber that has an acetone extractable content of at most 2.5% by mass when determined by an acetone extraction method; or a pneumatic tire including at least one selected from the group consisting of a tread, a sidewall, and a tire internal component, the at least one being formed from a rubber composition containing carbon black, silica, and an emulsion-polymerized rubber that has a soap content of at most 2.5% by mass and an organic acid content of at most 2.5% by mass.",
  "title": "PNEUMATIC TIRE AND RUBBER MASTERBATCH"
}