Tobacco substitute containing boric oxide, boron oxyacids, and ammonium, alkali metal, or alkaline earth metal salts of boron oxyacids

摘要

Tobacco substitutes comprising an organic binder containing boric oxide or boron oxyacids and their ammonium, alkali metal and alkaline earth metal salts are disclosed. The disclosed tobacco substitute may comprise from about 2 to about 95% by weight boric oxide, boron oxyacid, or boron oxyacid salt and from about 5 to about 50% by weight, of the organic binder wherein during combustion the boron compound melts or fuses to form a stable ash. The tobacco substitute may also optionally include up to about 93% by weight of a filler such as CaCO.sub.3, MgCO. sub.3, charcoal, alumina or alumina trihydrate and up to about 15% by weight monoammonium or diammonium phosphate.