| 发明名称 |
TUNGSTEN HEXACARBONYL IN PLASTIC LENSES |
| 摘要 |
<p>Tungsten hexacarbonyl acts as a photochromic agent and an infrared absorber when incorporated in a liquid glycol bis(allyl carbonate), such as allyl diglycol carbonate, and polymerizates thereof. Photochromic, infrared-sbsorbing optical and ophthalmic lenses containing tungsten derived from tungsten hexacarbonyl are made.</p> |
| 申请公布号 |
CA1105696(A) |
申请公布日期 |
1981.07.28 |
| 申请号 |
CA19770286838 |
申请日期 |
1977.09.15 |
| 申请人 |
PPG INDUSTRIES, INC. |
发明人 |
LEATHERMAN, IVAN R.;MISURA, MICHAEL S. |
| 分类号 |
C08F290/00;C08F299/00;C08K3/18;C08L33/00;C08L33/04;C09K9/02;G02B5/23;G03C1/00;G03C1/73;G03C1/735;(IPC1-7):08L31/00;02B5/23;08K5/56 |
主分类号 |
C08F290/00 |
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