{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "In a first aspect, the present invention is directed to a tire comprising a belt portion and a tread portion radially outward of the belt portion, wherein the tread portion comprises a radially outer tread layer for contacting the road when driving and a radially inner tread layer arranged between…",
  "path": "/patents/1293421",
  "publishedAt": "2021-06-24T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C11/0008",
    "The Goodyear Tire & Rubber Company"
  ],
  "textContent": "In a first aspect, the present invention is directed to a tire comprising a belt portion and a tread portion radially outward of the belt portion, wherein the tread portion comprises a radially outer tread layer for contacting the road when driving and a radially inner tread layer arranged between the radially outer tread layer and the belt portion, wherein the radially outer tread layer comprises a first rubber composition having a first shear storage modulus G′1 and the radially inner tread layer comprises a second rubber composition having a second shear storage modulus G′2, wherein the second shear storage modulus G′2 is between 3 MPa and 9 MPa higher than the first shear storage modulus G′1, and wherein the first shear storage modulus G′1 ranges from 1 MPa to 3 MPa and the second shear storage modulus G′2 ranges from 4 MPa to 12 MPa.",
  "title": "RUBBER COMPOSITION AND A TIRE"
}