{
  "$type": "site.standard.document",
  "description": "Provided is a tire capable of maintaining good ride quality even after a long period of time. The tire includes a tire component, the tire component containing: a rubber component including a copolymer having an ethylene unit and a styrene unit and having a modifying group capable of reacting with…",
  "path": "/patents/1392478",
  "publishedAt": "2026-03-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "SUMITOMO RUBBER IND [JP]"
  ],
  "textContent": "Provided is a tire capable of maintaining good ride quality even after a long period of time. The tire includes a tire component, the tire component containing: a rubber component including a copolymer having an ethylene unit and a styrene unit and having a modifying group capable of reacting with at least one of carbon black or silica, and at least one of an isoprene-based rubber or polybutadiene rubber; and carbon black, the tire satisfying the following formula (1) and at least one of the following formula (2) or the following formula (3): AE > 5.0 where AE denotes an acetone extractable content (% by mass) of the tire component, Tw < 12.0 where Tw denotes a thickness (mm) of a surface rubber layer at a tire maximum width position, Tt < 12.0 where Tt denotes a thickness (mm) of a tread portion.",
  "title": "TIRE"
}