The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 10, 1978
Filed:
May. 17, 1977
Applicant:
Inventor:
David S Roth, Louisville, KY (US);
Assignee:
Brown & Williamson Tobacco Corporation, Louisville, KY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ; A24B / ;
U.S. Cl.
CPC ...
131-2 ; 131 / ;
Abstract
Tobacco substitutes which eliminate excessive blooming of cigarette ash are disclosed. The tobacco substitutes comprise an organic binder; an inorganic filler; a boric oxide, boron oxyacid, or boron oxyacid salt; ash stabilizer; and, as a bloom control agent, from about 10% to about 40% by weight of tobacco fines. The substitute may also include up to about 10% by weight of a burning rate accelerator, such as sodium nitrate, sodium citrate or potassium tartrate.