| 摘要 |
PURPOSE:To obtain the deodorizer having a durable and excellent deodorizing effect by using acid anhydride in the solid state at ordinary temperature as the principal ingreident of the deodorizer. CONSTITUTION:As the deodorizer, the acid anhydride in solid state at ordinary temperature, e.g., phthalic anhydride, maleic anhydride, etc., is used as the principal ingredient as such or after being mixed with a carrier, e.g., activated carbon, zeolite, etc., in an amount of 2-50wt%. The deodorizer, having excellently high deodorizing effect and a long durability, is widely used at lower running cost. |
