{
  "$type": "site.standard.document",
  "description": "This invention relates to a natural rubber improving the low heat buildup while maintaining the resistance to thermal aging inherent to the natural rubber as well as a rubber composition, and particularly to a natural rubber being a rubber made from a latex by partly removing protein from a natural…",
  "path": "/patents/1072726",
  "publishedAt": "2005-11-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60C1/00",
    "BRIDGESTONE CORP [JP]"
  ],
  "textContent": "This invention relates to a natural rubber improving the low heat buildup while maintaining the resistance to thermal aging inherent to the natural rubber as well as a rubber composition, and particularly to a natural rubber being a rubber made from a latex by partly removing protein from a natural rubber latex through a mechanical separation means in which a total nitrogen content in the rubber is more than 0.1% by mass but not more than 0.4% by mass, and a rubber composition comprising the natural rubber and a filler.",
  "title": "NATURAL RUBBER AND RUBBER COMPOSITION CONTAINING THE SAME"
}