METHOD AND FILTER FOR REMOVING HARMFUL SUBSTANCE
PROBLEM TO BE SOLVED: To provide a method and a filter for removing a harmful substance capable of effectively removing a harmful substance such as a dioxin and a pyrene which exists in atmosphere or develops from tobacco when smoking. SOLUTION: The filter comprises at least a two-chain DNA 1, a pol...
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| creator | NISHI NORIO MATSUNAGA MASASHI RYU KOTO |
| description | PROBLEM TO BE SOLVED: To provide a method and a filter for removing a harmful substance capable of effectively removing a harmful substance such as a dioxin and a pyrene which exists in atmosphere or develops from tobacco when smoking. SOLUTION: The filter comprises at least a two-chain DNA 1, a polymeric compound other than the DNA, and a body 2 of filter fibers wherein the polymeric compound does not affect deleteriously the effect on removing the harmful substance which belongs to the two-chain DNA 1, can be miscible with the two-chain DNA 1, and is capable of sticking to the body 2 of filter fibers by a physical force and/or a chemical bond, and the two-chain DNA 1 is supported as a mixture of the two-chain DNA 1 and the polymeric compound by the body 2 of filter fibers at least on the region through which a gas containing the harmful substance passes so as to be capable of catching the harmful compound by intercalation. COPYRIGHT: (C)2008,JPO&INPIT |
| format | Patent |
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SOLUTION: The filter comprises at least a two-chain DNA 1, a polymeric compound other than the DNA, and a body 2 of filter fibers wherein the polymeric compound does not affect deleteriously the effect on removing the harmful substance which belongs to the two-chain DNA 1, can be miscible with the two-chain DNA 1, and is capable of sticking to the body 2 of filter fibers by a physical force and/or a chemical bond, and the two-chain DNA 1 is supported as a mixture of the two-chain DNA 1 and the polymeric compound by the body 2 of filter fibers at least on the region through which a gas containing the harmful substance passes so as to be capable of catching the harmful compound by intercalation. 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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CIGARETTES CIGARS HUMAN NECESSITIES MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES MATCH BOXES MOUTHPIECES FOR CIGARS OR CIGARETTES PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION SMOKERS' REQUISITES THEIR RELEVANT APPARATUS TOBACCO TOBACCO SMOKE FILTERS TRANSPORTING |
| title | METHOD AND FILTER FOR REMOVING HARMFUL SUBSTANCE |
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