Title: Synthetic smoking product

Abstract: A tobacco substitute which consists essentially of a complete fuel and at least one volatile substance impregnating said fuel, said volatile substance being capable of distilling or subliming without chemical change, and said fuel consisting essentially of combustible, flexible and self coherent fibrers made of a carbonaceous material containing at least 80 percent carbon by weight, which material is the product of the controlled pyrolysis of a cellulose based fibre containing only carbon, hydrogen and oxygen, and which has suffered a weight loss of at least 60 percent during the pyrolysis, the fibres produced in the pyrolysis having a cross-sectional dimension between 5 and 50 microns, and a length between 1 mm and 5 cm, and being agglomerated into a plurality of strands, which strands have a cross-sectional dimension between 0.1 mm and 5mm and a length of between 5 mm and 5 cm.

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Inventors: Boyd, Dennis (Belfast, EK)
Porter, George (London, EN)

Application Number: 352238
Filing Date: 1973-04-18
Publication_date: 1976-03-16
Assignee: Gallaher Limited (Belfast, EK)
Primary Class(es): 131/359
Other Classes:
US Patent Ref:

2907686	Oct, 1959	Siegel	131/2.
3545448	Aug, 1970	Mormon et al.	131/2.
3738374	Jun, 1973	Bennett	131/2.

Other Refs: 2,026,147

Dec, 1970	DT

Primary Examiner: Michell, Robert W.
Assistant Examiner: Millin, V.
Attorney: Brisebois & Kruger