Adding spark-comminuted zinc to tobacco-smoke filters专利检索-调味剂食品添加剂调味料，色素和添加剂专利检索查询-专利查询网

Adding spark-comminuted zinc to tobacco-smoke filters

阅读：297发布：2023-11-13

专利汇可以提供Adding spark-comminuted zinc to tobacco-smoke filters专利检索，专利查询，专利分析的服务。并且The invention concerns a method and apparatus for improving the filtration properties of fibrous, filamentary and sheet tobacco smoke filtering material. The method consists in treating the said material with a finely divided zinc-containing powder produced by a high-energy comminution process carried out under water. The powder is advantageously a powder produced by electric-spark erosion action between two zinc electrodes submerged in water.，下面是Adding spark-comminuted zinc to tobacco-smoke filters专利的具体信息内容。

权利要求

1. A method of improving the filtration properties of tobacco smoke filtering material of the group consisting of fibrous, filamentary and sheet filtering material, comprising treating the said material with a finely divided zinc-containing powder produced by a high-energy comminution process carried out under water.

2. A method according to claim 1, wherein the powder is produced by electric-spark erosion action between two zinc electrodes submerged in water.

3. A method according to claim 1, wherein the filtering material is treated with the zinc-containing powder in the form of an aqueous suspension and is dried.

4. A method according to claim 1, wherein the filtering material is treated to give a final increase in weight of up to 10 percent with respect to the original weight of the said material.

5. A method according to claim 1, wherein the filtering material is treated to give a final increase in weight of from 2 to 5 percent with respect to the original weight of the said material.

6. A method of improving the filtration properties of tobacco smoke filtering material comprising treating the said material with a minor amount of a finely divided zinc-containing powder, said powder being produced by a high energy comminution process carried out under water and then forming a filter element from said treated filtering material whereby said filter element is adapted to be attached to a smoke article.

7. A tobacco smoke filter element made by the method of claim 6.

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Adding spark-comminuted zinc to tobacco-smoke filters

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