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:
Mar. 24, 1992
Filed:
Feb. 19, 1991
Applicant:
Inventors:
Uwe Ehling, Elmshorn, DE;
Jurgen Nusslein, Wedel, DE;
Gerald Schmekel, Elmshorn, DE;
Wilfried Stiller, Holm, DE;
Werner Hass, Hamburg, DE;
Volker Heemann, Reinbek, DE;
Casper H Koene, Hamburg, DE;
Arno Weiss, Norderstedt, DE;
Assignee:
B.A.T. Cigarettenfabriken GmbH, Hamburg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24B / ;
U.S. Cl.
CPC ...
131375 ; 131370 ; 131903 ;
Abstract
With the present invention a tobacco sheet or foil is proposed which has an elevated filling force and consists of tobacco particles, water, binders and moisturizers, and relatively gas-impermeable, in particular surface-sealed cover layers being connected together by a spongy structure which is formed by gas-filled bubbles, and in which cavities are formed having a shaggy, furrowed and/or torn surface.