{
  "$type": "site.standard.document",
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  "description": "A lubricating oil composition comprising a base oil (A), a neutral phosphorus compound (B), an acidic phosphorus compound (C), a sulfur compound (D) and at least one metal salt (E) selected from a metal sulfonate, a metal salicylate, and a metal phenate, in which a content of the acidic phosphorus…",
  "path": "/patents/1418664",
  "publishedAt": "2026-04-15T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "C09K5/20",
    "IDEMITSU KOSAN CO [JP]"
  ],
  "textContent": "A lubricating oil composition comprising a base oil (A), a neutral phosphorus compound (B), an acidic phosphorus compound (C), a sulfur compound (D) and at least one metal salt (E) selected from a metal sulfonate, a metal salicylate, and a metal phenate, in which a content of the acidic phosphorus compound (C) in terms of phosphorus atoms is 10 to 180 ppm by mass based on the total amount of the lubricating oil composition, a content of the sulfur compound (D) in terms of sulfur atoms is 10 to 1000 ppm by mass based on the total amount of the lubricating oil composition, and a content of the metal salt (E) in terms of metal atoms is 5 to 180 ppm by mass based on the total amount of the lubricating oil composition, is provided.",
  "title": "LUBRICATING OIL COMPOSITION"
}