| 摘要 |
<p>1,133,348. Infrared filters. DEUTSCHE SPIEGELGLAS A.G. Dec.13, 1965 [Dec.12, 1964], No.52821/65. Heading G2J. Infrared filters for protective eyewear, screens and spectacle lenses are prepared by processing in a press or die-casting machine a transparent plastics material mixed with a metal compound which is at least partially soluble in the plastics material and which decomposes to the metal during processing. The metal compound may be mixed with the plastics material or with monomers or a curable resin used to prepare it. The plastic may contain a soluble dye is preferably mixed with Ag 2 CO 3 , Ag 2 O, AgC1, Ag 2 O 2 , OsO 4 , or other transition metal compound.</p> |
