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COMPOSITION USEFUL FOR TREATING SUBSTRATE OF TOBACCO SMOKE FILTER, TOBACCO SMOKE FILTER, METHODS FOR MAKING TOBACCO SMOKE FILTER AND TOBACCO SMOKING ARTICLE
COMPOSITION USEFUL FOR TREATING SUBSTRATE OF TOBACCO SMOKE FILTER, TOBACCO SMOKE FILTER, METHODS FOR MAKING TOBACCO SMOKE FILTER AND TOBACCO SMOKING ARTICLE
A composition useful for treating the substrate of a tobacco smoke filter. A tobacco smoke filter comprising one or more than one free porphyrin or one or more than one free metal phthalocyanine. A seamless tobacco smoke filter (80, 90) comprising a first segment and a second segment. A device (110) for making a tobacco smoke filter from tobacco smoke filter substrate comprising a rod maker machine (112) and an applicator (120) for applying one or more than one additive intermittently to the substrate in a plurality of spaced bands.
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