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:
Jul. 03, 2007
Filed:
Oct. 15, 2003
Charles Ray Ashcraft, Winston-Salem, NC (US);
James Herbert Ellis, Jr., Lexington, SC (US);
James Ray Hutchens, Walnut Cove, NC (US);
Gregory Scott Pierce, Kernersville, NC (US);
John Joseph Tomel, Jr., Mocksville, NC (US);
Don Hayes White, King, NC (US);
Sara Sutton Williard, Winston-Salem, NC (US);
Paul Stuart Chapman, Winston-Salem, NC (US);
Mark Stuart Powell, Winston-Salem, NC (US);
Charles Ray Ashcraft, Winston-Salem, NC (US);
James Herbert Ellis, Jr., Lexington, SC (US);
James Ray Hutchens, Walnut Cove, NC (US);
Gregory Scott Pierce, Kernersville, NC (US);
John Joseph Tomel, Jr., Mocksville, NC (US);
Don Hayes White, King, NC (US);
Sara Sutton Williard, Winston-Salem, NC (US);
Paul Stuart Chapman, Winston-Salem, NC (US);
Mark Stuart Powell, Winston-Salem, NC (US);
R.J. Reynolds Tobacco Company, Winston-Salem, NC (US);
Abstract
Smokable rods of cigarettes are manufactured using wrapping materials that incorporate at least one fibrous material (e.g., flax fibers, hardwood pulp fibers and/or softwood pulp fibers) at least one filler material (e.g., calcium carbonate in particulate form). The wrapping materials possess multi-layer coatings. The wrapping materials possess coatings in the form of series of spaced apart bands, each band possessing a series of layers. At least one of the coating layers can have a filler material dispersed or suspended within a film-forming material of that layer. For a representative wrapping material, a pattern of applied to the wire side major surface of the wrapping material substrate as a plurality of layers, and at least one of the layers includes ethylcellulose and calcium carbonate. For that layer, the calcium carbonate is present in an amount greater than the ethylcellulose, on a weight basis. The ethylcellulose and calcium carbonate typically are applied as part of a non-aqueous formulation incorporating iso-propyl acetate, triacetin and lecithin.