Use of materials for tobacco smoke filters

Full Title

Tobacco smoke filters, e.g. filter tips or filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces of cigars or cigarettes > Use of materials for tobacco smoke filters

Child Classifications

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• A24D 3/061
• A24D 3/062
• A24D 3/067
• A24D 3/08 of organic materials as carrier or major constituent (of ion exchange materials A24D3/12)
• A24D 3/12 of ion exchange materials
• A24D 3/14 of organic materials as additive (of ion exchange materials A24D3/12)
• A24D 3/16 of inorganic materials