The invention is concerned with a tobacco substitute which is made by subjecting a strand of viscose fibres to a controlled pyrolysis until the organic residue contains at least 90% carbon by weight, and loading the carbon strand with ingredients for smoking.
申请公布号
US4286604(A)
申请公布日期
1981.09.01
申请号
US19770838712
申请日期
1977.10.03
申请人
GALLAHER LIMITED
发明人
EHRETSMANN, JACQUES;COWLING, ROBERT D.;SCHWEIZER, ALFRED D.;CALDWELL, WILLIAM M.;BOYD, DENNIS F.;BOYD, ROBERT J.
