Philip Morris Inc.

Francis V Utsch

D Bruce Losee

F Murphy Sprinkel, Jr

Mary Ellen Counts

Constance H Morgan

Roger Z De La Burde

Patrick E Aument

A Clifton Lilly, Jr

Michael L Watkins

Alfred L Collins

Seetharama C Deevi

Susan E Wrenn

Grier S Fleischhauer

Willie G Houck, Jr

Billy J Keen, Jr

Ulysses Smith

Constance H Nichols

Amitabh Das

Wynn R Raymond

Charles T Higgins

G Robert Scott

Robert L Ripley

Robert E Lee

Bernard C LaRoy

Renzer R Ritt, Sr

James L Myracle

Jerry F Whidby

Henry B Merritt

Hugh J McCafferty, Ii

Edward S Gee

Mohammad R Hajaligol

Francis M Sprinkel

James M Washington

Larry M Sykes

Russell B Mait

Dale R Fillenwarth

A smoking article is provided in which a replaceable tobacco flavor unit containing tobacco flavor material is electrically heated by a set of permanent reusable heaters to evolve flavors or other components in vapor or aerosol form for delivery to a smoker. Each heater heats only a portion of the available tobacco flavor material so that a plurality of individual puffs of tobacco flavor substance can be delivered sequentially to the smoker. The replaceable tobacco flavor unit can also include a filter to reduce the effect of residual aerosol which settles or condenses on the permanent portions of the article and which can result in undesirable flavor generation when reheated. A method and apparatus for manufacturing the replaceable tobacco flavor unit is also provided.

Flavor generating article

A smoking article is provided in which a replaceable tobacco flavor unit containing tobacco flavor material is electrically heated by a set of permanent reusable heaters to evolve flavors or other components in vapor or aerosol form for delivery to a smoker. Each heater heats only a portion of the available tobacco flavor material so that a plurality of individual puffs of tobacco flavor substance can be delivered sequentially to the smoker. The replaceable tobacco flavor unit can also include a filter to reduce the effect of residual aerosol which settles or condenses on the permanent portions of the article and which can result in off-tastes when reheated. A method and apparatus for manufacturing the replaceable tobacco flavor unit is also provided.

Heater element of an electrical smoking article and method for making

Flavor generating article and method for making same

Electrical smoking article and method for making same

Electrical cigarette

An article is provided in which a tobacco flavor medium is electrically heated to evolve inhalable tobacco flavors or other components in vapor or aerosol form. The article has a plurality of charges of the tobacco flavor medium which are heated sequentially to provide individual puffs.

Electrical smoking article

An article is provided in which a flavor generating medium is electrically heated to combustion to evolve inhalable flavors or other components in vapor and/or aerosol form. The article has a plurality of charges of the flavor generating medium which are heated to combustion sequentially to provide individual puffs.

Methods and apparatus for releasing flavor components from a flavor-generating medium using an electric heating element are provided. A non-combustion flavor-generating article uses electrical energy to power a heating element which heats tobacco or other flavorants. The flavor-generating medium is formed into a packed bed. Energy delivered to the heating element is regulated to maintain the flavor-generating medium at a relatively constant operating temperature to ensure a relatively constant release of flavor.

Flavor-delivery article

An article is provided in which a flavor generating medium is electrically heated to evolve inhalable flavors or other components in vapor or aerosol form. The article has a plurality of charges of the flavor generating medium which are heated sequentially to provide individual puffs.

A process is provided for expanding tobacco by means of overwetting the tobacco to a moisture content of at least 20%, preferably from 20% to about 80%, and then overdrying the tobacco in a period of a few seconds in a turbulent steam atmosphere to a moisture content of less than 7% to achieve increased filling power. The overwetted tobacco is preferably dried to a moisture content of less than 7% within a time period of less than 5 seconds. It is preferred that the tobacco be dried to a moisture content of less than 5%, and even more preferred that it be dried to a moisture content of less than 3%. The turbulent steam drying atmosphere preferably comprises at least about 60% steam. Typically, the tobacco is bulked for from about 1/4 hour to 4 hours after it is overwetted to allow the moisture to be distributed within and absorbed by the tobacco cellular structure of substantial portions of the tobacco. Subsequent to overdrying, the tobacco is typically remoisturized to a processing moisture content of about 12%.

Process for expansion of tobacco

This invention provides a dispensing assembly which is adapted to deliver two separate instantaneously coreactive liquid streams into an external contacting zone. The two reactants do not make contact within the body of the dispensing assembly, which prevents solid product formation and clogging within the dispensing assembly nozzles. The dispensing assembly is suitable for the coreaction of liquid carbon dioxide and liquid ammonia to produce free-flowing ammonium carbamate powder having a purity of substantially 100 percent.

Ammonium carbamate production

A process is disclosed for increasing the filling power of tobacco lamina filler without the use of exogenous impregnants by contacting the filler with a heat transfer medium such that heat is transferred rapidly and substantially uniformly from the medium to the filler for a total contact time sufficient to stiffen and expand the filler. The filler has an OV value, immediately before treatment, within the range of from about 8% to about 30% and, most preferably, within the range of from about 10% to about 14%. The filler, immediately before treatment, is preferably at ambient temperature and it is preferred that the entire process be conducted at atmospheric pressure.

Process for increasing the filling power of tobacco lamina filler

Impregnated tobacco is expanded in an expansion operation involving the entrainment of the impregnated tobacco in a heated gas stream under high temperature-short entrainment time conditions resulting in a product of improved quality and enhanced expansion.

Expansion of tobacco

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Midlothian, VA, United States of America

Francis V Utsch