| 摘要 |
1,217,169. Ornamenting. GLAVERBEL. 30 Oct., 1967 [3 Feb., 1967], No. 49290/67. Heading B6G. [Also in Divisions C1, C7 and G2-G3] Decorative effects are produced by exposing and fixing a light sensitive material comprising a supported solid layer composed of inorganic substance(s) and, in at least part of the layer, dispersed particles of a photosensitive substance or substances, so that a light-transmitting and/ or light reflecting property pf at least part of said layer can be permanently changed merely by irradiation with light. |
