Lorillard Licensing Company, LLC

Lorillard Tobacco Company

David A Grider

David Williams

Arthur M Ihrig

James G Williams, Iii

Michael A Zawadzki

Terry D Jessup

Tatyana Dyakonov

John R Wagner

Alexander J Dyakonov

Gerald Eisenlohr

Floyd S Cowan

Neil A Thaggard

Ricky L Hughes

Leroy G Webb

David L Williams

A smoking article having reduced ignition propensity is disclosed. The smoking article includes a tobacco column, a wrapper surrounding the tobacco column and a filter element. The wrapper has a base permeability, an untreated area and a least one discrete area treated with a composition to reducing the base permeability. The discretely treated area interacts with a coal of a burning tobacco firecone as it advances to self-extinguish the smoking article. The composition of the treated area includes a permeability reducing substance, a burn rate retarding substance and a burn rate accelerating substance. Either the burn rate retarding substance or the burn rate accelerating substance acts as an organoleptic enhancing substance. In this way a smoker's experience when smoking either the at least one treated area or the untreated area is substantially the same.

Reduced ignition propensity smoking article

A smoking article including a wrapper surrounding a tobacco column and a selective filter element is disclosed. The selective filter element includes at least one carrier having a developed structure and a plurality of moieties capable of the nucleophilic attack of carbonyl-containing combustion products of the smoking article supported by the at least one carrier. The selective filter element may include at least one additional filter element such as cellulose acetate. The developed structure of the at least one carrier encourages the interaction of the carbonyl-containing combustion products and the plurality of moieties capable of the nucleophilic attack. Carries include polymers, which may have branch, such as partially oxidized cellulose and polyaniline. Carries may also be a zeolite or an inorganic oxide such as aluminum, of silicon, of aluminum and silicon, and combinations thereof. In yet another carrier is an activated carbon. A moiety capable of the nucleophillic attack includes a nitrogen and hydrogen containing group such as a hydrazide&mdash;(e.g., &mdash;NH&mdash;NH ), a hydrazone&mdash;(e.g., &mdash;HC&boxH;N&mdash;NH ), a semicarbazide&mdash;(e.g., &mdash;C(&boxH;O)&mdash;NH ), an imino&mdash;(e.g., &mdash;HC&boxH;NH), and an amino&mdash;(&mdash;NH ). Preferably, the nitrogen is a primary nitrogen such as a primary amino. A spacer may be used to attach the moiety to a carrier. Examples of spacers include at least one of a &mdash;CO&mdash; group, &mdash;CO&mdash;&lsqb;CH &rsqb; &mdash;CO&mdash; group with n&equals;1 through 4 and more.

Smoking article including a filter for selectively removing carbonyls

A sortation system for separating products such as returned cigarette packs. A conveyor system moves the products in a predetermined orientation and minimum spacing past a bar code reader. A turnstile device contains a plurality of diverting bars which are selectively rotatable across the conveyor path in either direction to eject selected products either to the right or left as desired. A processor controls the turnstile device based upon bar code information to separate selected products and to allow the remaining products to remain on the conveyor.

Sortation system for recovering tobacco from cigarette packs

A disinfestation system for agricultural products, for example recovered tobacco, comprises a disinfestation unit which is releasably connected to plural containers. The disinfestation unit supplies a disinfestation gas (CO.sub.2) through the conduit means to the container, and periodically withdraws sample gas from said container. A thermal conductivity detector produces an electrical signal representation of the level of CO.sub.2 in the container, which is supplied, along with a temperature dependent signal, to a computer. The processor controls the introduction of additional CO.sub.2 throughout the process. Preferably, the system also includes heater elements, and the processor generates control signals for controlling temperature in the container. The computer controls the disinfestation process of multiple containers such multiple disinfestation processes can be carried out simultaneously.

Disinfestation system for agricultural products

Growing community of inventors

Greensboro, NC, United States of America

David A Grider