Title: Smoking system to filter tobacco smoke

Abstract: A smoking system is provided to filter tobacco smoke and remove harmful ingredients present in the smoke without adversely affecting the aroma and taste of the smoke and permitting easy draw of the smoke from a cigarette. A cylindrical chamber containing filtering means including a cation exchange material is formed to receive a cigarette at one end and to serve as a mouthpiece at the opposite end.

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Inventors: Ehrenpreis, Seymour (Skokie, IL, US)
Freedman, Barry (Skokie, IL, US)

Application Number: 923980
Filing Date: 1978-07-12
Publication_date: 1980-10-07
Assignee: Peterson Labs., Inc. (Chicago, IL)
Primary Class(es): 131/187 131/202, 131/334
Other Classes:
US Patent Ref:

2754829	Jul, 1956	Hess	131/10.
2815760	Dec, 1957	Schreus et al.	131/262.
3251365	May, 1966	Keith et al.	131/10.

Other Refs: 2071369

Oct, 1971	FR

Primary Examiner: Pellegrino, Stephen C.
Assistant Examiner:
Attorney: