Class 131/362 - Coated or impregnated

Subclass of Class 131 - Tobacco
Definition: Products wherein the end structure has been treated by coating
No. of patents: 39
Last issue date: 01/13/2004

Number	Title	Issue Date
6676806	Process for increasing the wet strength of porous plug wraps for use in smoking articles A process for increasing the wet tensile strength properties of a porous plug wrap paper for use in smoking articles is disclosed. The wet strength properties of the paper are increased by incorporating into the paper an alkyl ketene dimer and by applying...	01/13/2004
6305382	Reduced basis weight cigarette paper The present invention is generally directed to low weight cigarette wrapping papers. In particular, the wrapping papers, although having a low basis weight, have an opacity of at least 70% and a tensile strength comparable with conventional papers. Wrappi...	10/23/2001
6302114	Tobacco smoke filter The present invention provides a tobacco smoke filter or filter element having a longitudinally extending core (2) and a wrapper (4) engaged around the core (2), the wrapper (4) having particulate additive (6) adhered to one or more portion(s) of the radi...	10/16/2001
5722433	Water-dispersible sheet for cigarettes and cigarette using the same A water-dispersible sheet for cigarettes and a cigarette using the sheet are described. The sheet comprises a water-resolvable base paper and a water-dispersible coating layer containing water-soluble polymer formed on the surface of the base paper, where...	03/03/1998
5645087	Method of and apparatus for decontaminating the exposed surfaces of filter mouthpieces in smokers' products Fragments of plastic fibers, such as cellulose acetate fibers, forming part of mouthpieces of filter cigarettes or like rod-shaped smokers' products tend to become separated from the respective filter mouthpieces at the end faces which develop in response...	07/08/1997
5595196	Method of producing a filter cigarette with tipping paper having lip release properties A method for producing a filter cigarette with tipping paper having improved lip release properties. Lip release chemicals are applied to one side of a base tipping paper during its manufacture in a papermaking process by surface coating, followed by manu...	01/21/1997
5453144	Method of making biodegradable cigarette filters using water sensitive hot melt adhesives In a process for manufacturing degradable cigarette filters wherein adhesive is applied to at least one longitudinal edge of the plug wrap paper, a bond is made while the adhesive is molten and the resultant bond is held in compression for sufficient time...	09/26/1995
5141000	Tobacco product consisting of a preformed tobacco strand and a preformed tubular cigarette wrapper A tobacco product consists of a preportioned tobacco strand (10) surrounded by a preformed tubular cigarette paper wrapper (11; 17). The tobacco strand is formed of individual tobacco fibers which are interconnected to each other by a binding agent to for...	08/25/1992
5125421	Calendered ultraporous cigarette plug wrap, method of producing same and cigarettes made from the wrap An improved tobacco filter or plug wrap is made by calendering ultraporous paper. The calendering process reduces surface irregularities, reduces the thickness of the paper, and reduces the porosity. In general, during the calendering step, the ultraporou...	06/30/1992
5044381	Closed cigarette filter A closed cigarette filter for preventing tobacco from coming into direct contact with the mouth of the user and filtering undesirable products in the smoke, which includes strip of filter material having one edge cut to define multiple, adjacent panels or...	09/03/1991
4986284	Cigarette manufacture Apparatus for applying adhesive foam or other liquid-based ingredients to the ends of cigarettes includes a source of suction, a device for carrying and moving a series of flexible tubular sealing members 50 each of which is aligned with a respective ciga...	01/22/1991
4967774	Smoking article with improved means for retaining the fuel element A smoking article including a short, combustible, carbonaceous fuel element in a heat exchange relationship with a physically separate aerosol generating means, and a mouthend piece. Smoking articles of the present invention include means for retaining th...	11/06/1990
4966170	Tobacco processing A method and apparatus are disclosed for applying foamed material to tobacco, and for drying and setting the foamed material, particularly in connection with the making of cigarettes. The foamed material may be added to the tobacco, for example, in the pa...	10/30/1990
4898187	Cigarette manufacture Loss of tobacco from the ends of cigarettes is reduced or prevented by applying foamed adhesive thereto. The foam may in general be blown onto the cigarette ends [(FIGS. 1, 2 and 4)] or may be "printed" onto the cigarette ends [(FIG. 3 and FIGS. 5 and 6)]...	02/06/1990
4785831	Method and apparatus for minimizing loose ends in cigarettes Loss of tobacco from the ends of cigarettes is reduced or prevented by applying foamed adhesive thereto. The foam may in general be blown onto the cigarette ends or may be "printed" onto the cigarette ends. The expansion ratio of the foam in preferably at...	11/22/1988
4776354	Filtered smoking article In one aspect, the invention provides a simple, readily manufacturable, low tar cigarette with individual puff deliveries similar to those obtained from conventional cigarettes which have a higher total smoke delivery such as a full flavor cigarette. The ...	10/11/1988
4774971	Cigarette substitute A cigarette substitute is provided which satisfies the smokers psychological and pharmacological need for a cigarette, without exposing him, or others, to the ill-effects associated with inhalation of smoke, tar and other combustion products. This cigaret...	10/04/1988
4716912	Filter cigarette having adjustable air dilution A smoking article in the form of a filter cigarette can have adjustable air dilution capabilities. The filter element is movable toward and away from the tobacco rod along the longitudinal axis of the cigarette. Perforations in the tipping material of the...	01/05/1988
4679574	Cigarette A cigarette made of cut tobacco rolled in a paper having a refractory layer with a predetermined pattern bonded to or imprinted upon the interior surface of the paper. The pattern is formed outside of rows and columns of what eventually become elongated s...	07/14/1987
4675064	Smoke filter having extended film overwrap and method and apparatus for fabricating same A tobacco smoke filter includes a smoke pervious rod of plastic material about which a smoke impervious plastic overwrap film is extruded. In the preferred embodiment, the overwrap and the rod are made of the same material, e.g., cellulose acetate. By usi...	06/23/1987
4619276	Tobacco processing A method and apparatus are disclosed for applying foamed material to tobacco, particularly in connection with the making of cigarettes. The foamed material may be added to the tobacco, for example, in the paper guide section of a cigarette maker at the ga...	10/28/1986
4614199	Smoke filter having extended film overwrap and method and apparatus for fabricating same A tobacco smoke filter includes a smoke pervious rod of plastic material about which a smoke impervious plastic overwrap film is extruded. In the preferred embodiment, the overwrap and the rod are made of the same material, e.g., cellulose acetate. By usi...	09/30/1986
4570650	Cigarette A cigarette has a front tobacco-containing part composed of a tubular member of cigarette paper and a tobacco filler, a rear part extending rearwardly from the front part and having a filter, and a tubular coating extending around at least one fourth of t...	02/18/1986
4493331	Cigarette filter A filter for a cigarette which includes a protrusion of smoke permeable material integral with and coaxially projecting from the mouth end of the filter rod. The mouth end of the filter rod surrounding the protrusion is smoke impermeable so that as the ci...	01/15/1985
4469112	Compound filter A compound cigarette filter, the filter having the ability to deliver substantially constant tar and nicotine as the cigarette is smoked. The compound filter comprises a barrier positioned upstream and in abutting relationship with at least one filter seg...	09/04/1984
4434805	Applicator for applying glue to a travelling stream of tipping paper The applicator roll is provided with two recesses to apply uniform layers of glue to a travelling stream of tipping paper. In addition, the applicator roll has a series of spaced apart grooves in each recess so as to apply additional stripes of glue onto ...	03/06/1984
4424819	Cigarette filter A filter for a cigarette includes a porous filter rod circumscribed by a non-porous or air impermeable wrapper, and ventilating air grooves embedded in the wrapped filter rod which extend from one end of the filter rod a preselected distance generally lon...	01/10/1984
4423744	Tobacco smoke filter contoured to provide undiluted air flow and method and apparatus for manufacturing same An improved tobacco smoke filter is characterized by an undiluted air passage formed between a smoke-impervious plug wrap and an air-impervious tipping wrap by loosely wrapping the tipping wrap about the plug wrap along a section of the filter extending f...	01/03/1984
4387728	Cigarette filter A filter for a cigarette includes a porous filter rod circumscribed by a non-porous wrapper wherein the filter rod with the non-porous wrapper therearound is provided with grooves extending from one end thereof a preselected distance longitudinally therea...	06/14/1983
4366826	Smoke filtration A smoke-filter rod comprises a body of rod form consisting or having as at least major constituent a thermoplastics cellulose acetate or polypropylene smoke-filtration material, preferably of a fibrous or filamentary nature, and wrapped in a plugwrap comp...	01/04/1983
4364403	Smoke filtration A rod-form body of smoke filtration material, preferably fibrous or filamentary, is wrapped in a fibrous or filamentary plugwrap comprising at least 50% by weight of fibres or filaments of thermoplastics material. The plugwrap may have premeability for ai...	12/21/1982
4362172	Cigarette filter A filter for a cigarette includes a porous filter rod circumscribed by a non-porous wrapper and a tipping material having selected openings therein for allowing ventilating air to pass therethrough. Spacing members are disposed between the non-porous wrap...	12/07/1982
4340074	Cigarette material having non-lipsticking properties A cigarette tipping material having non-lipsticking properties includes preselected areas of the tipping material provided with non-lipsticking coatings with other preselected uncoated areas having perforations therein....	07/20/1982
4338956	Cigarette filter A filter for a cigarette includes a porous filter rod circumscribed by a smoke impervious wrapper wherein the filter rod with the smoke impervious wrapper therearound is provided with grooves embedded therein and extending from one end thereof a preselect...	07/13/1982
4331166	Cigarette The sensory effect of cigarette smoke is improved by using a disc (24) to shape the flow of smoke (32) leaving smoking article (10) into a divergent pattern, thus increasing the perceived flavor of the cigarette. The effect is most useful with cigarettes ...	05/25/1982
4326543	Smoking product and process for manufacturing same Filter-tipped cigarettes, cigars and similar smoking products which employ self-supporting non-wrapped fibrous filters are disclosed wherein the tobacco-containing portions are attached to the fibrous filters by tipping paper that is coated in a specified...	04/27/1982
4185643	Mouthpiece paper for cigarettes In the preparation of synthetic mouthpiece paper for cigarettes which simulates cork, of the type wherein the paper has randomly distributed and formed depressions therein formed by stamping the paper and wherein the paper is densified in the depressed ar...	01/29/1980
4174720	Glue transfer apparatus for cigarette filters A filter is formed by placing increments of glue in spaced apart relation on a moving stream of plug wrap paper and thereafter depositing alternating fibrous filter sections on the glue increments. Particulate marterial is then deposited between the fibro...	11/20/1979
4025671	Method for applying continuous longitudinal bands of liquid coating to a moving strip Method for coating a continuous moving strip of material with a liquid coating material such as a plastic or polymer material is disclosed and in which the moving strip to be coated is directed in contacting engagement with a curved peripheral surface on ...	05/24/1977

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Class 131/362 - Coated or impregnated