Tob. Reporter, 1991, 118-12, p. 60, ISSN.0361-5693
Decreasing the level of sidestream smoke
U. S. Patent 4,998,541, assigned to R. J. Reynolds. Cigarettes which yield low levels of visible sidestream smoke upon use employ a paper wrapping material having about 25 weight percent magnesium hydroxide, about 15 weight percent calcium carbonate...