box of marlboro cigarettes Rare Empty Flip top Large package Merry Christmas This vintage Marlboro cigarette pack

US7025067B2 - Activated charcoal filter for effectively reducing p-benzosemiquinone from the mainstream cigarette smoke - Google Patents Activated charcoal filter for effectively reducing p-benzosemiquinone from the mainstream cigarette smoke Download PDF Info Publication number US7025067B2 US7025067B2 US10/076,041 US7604102A US7025067B2 US 7025067 B2 US7025067 B2 US 7025067B2 US 7604102 A US7604102 A US 7604102A US 7025067 B2 US7025067 B2 US 7025067B2 Authority US United States Prior art keywords filter mesh size smoke charcoal bsq Prior art date Legal status (The legal status is an assumption and is not a legal conclusion

At all sessions the following questions were asked about the product used (rated on a scale of 110): Did it relieve your urge to smoke? [not at all = 1, extremely well = 10]

Charbon Filter Design Integrated charcoal style filter for a refined tube format

It is an easy size for transportation and easy to tax