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    • 3. 发明授权
    • Foamed air freshener composition
    • 发泡空气清新剂组成
    • US4755377A
    • 1988-07-05
    • US42122
    • 1987-04-24
    • Frank J. Steer
    • Frank J. Steer
    • A61L9/01A61L9/04A61K7/46B01J13/00
    • A61L9/048
    • An aqueous-based gel air-treating composition comprising a gel base including a gel-forming agent and a gaseous component in an amount effective to provide a bulk density of said composition of from about 0.5 to about 0.9 g/cc, the gaseous component being present in within the composition as substantially homogeneously dispersed bubbles having a diameter of less than about 3000 microns, the composition being obtained by preparing said gel base, introducing the gaseous component into said gel base with sufficient mixing energy to obtain a foamed gel, and allowing the foamed gel to cool below its glass transition temperature.
    • 一种水基凝胶空气处理组合物,其包含凝胶基质,其包含凝胶形成剂和气体组分,其量有效地提供约0.5至约0.9g / cc的所述组合物的堆积密度,所述气体组分为 在组合物内存在直径小于约3000微米的基本上均匀分散的泡沫,该组合物通过制备所述凝胶基质获得,通过充分混合能将气态组分引入所述凝胶基质中以获得泡沫凝胶,并允许 发泡凝胶冷却到其玻璃化转变温度以下。