{
  "$type": "site.standard.document",
  "description": "To provide an ultraviolet absorbing glass article having a very low ultraviolet transmittance (TUV) suitable as privacy glass for vehicles. An ultraviolet absorbing glass article comprising, as a glass matrix composition as represented by mass% based on oxides, from 66 to 75% of SiO 2 , from 10 to…",
  "path": "/patents/936294",
  "publishedAt": "2016-10-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60J1/00",
    "ASAHI GLASS CO LTD [JP]"
  ],
  "textContent": "To provide an ultraviolet absorbing glass article having a very low ultraviolet transmittance (TUV) suitable as privacy glass for vehicles. An ultraviolet absorbing glass article comprising, as a glass matrix composition as represented by mass% based on oxides, from 66 to 75% of SiO 2 , from 10 to 20% of Na 2 O, from 5 to 15% of CaO, from 0 to 6% of MgO, from 0 to 5% of Al 2 O 3 , from 0 to 5% of K 2 O, from 0.13 to 0.9% of FeO, at least 0.8% and less than 2.4% of total iron as represented by Fe 2 O 3 , and more than 1% and at most 5% of TiO 2 , containing from 100 to 500 mass ppm of CoO, from 0 to 70 mass ppm of Se and from 0 to 800 mass ppm of Cr 2 O 3 in a total content of CoO, Se and Cr 2 O 3 of less than 0.1 mass% based on the total content of components in the glass matrix composition, and has an ultraviolet transmittance (TUV) (ISO9050: 2003) of at most 2% at a thickness of 3.5 mm.",
  "title": "UV-ABSORBING GLASS ARTICLE"
}