Assignee: Schweitzer-Mauduit International, Inc.

Location: Alpharetta, GA
No. of patents: 20

Number	Title	Issue Date
8151806	Smoking articles having reduced analyte levels and process for making same Smoking articles having reduced Hoffmann analytes contained in the mainstream smoke is disclosed. In one embodiment, an alginate composition is applied to a wrapper that is incorporated into a smoking article. The alginate composition causes a significant reduction ...	04/10/2012
6823872	Smoking article with reduced carbon monoxide delivery The present invention is generally directed to smoking articles having reduced carbon monoxide delivery. In order to reduce carbon monoxide delivery, the wrapping papers used to construct the smoking article has a fiber basis weight of less than about 18 gsm. Smokin...	11/30/2004
6779530	Smoking articles with reduced ignition proclivity characteristics A process for reducing the permeability of a paper wrapper used in the construction of a smoking article is disclosed. The paper wrapper is treated with a film-forming composition that forms treated discrete areas on the wrapper. The treated discrete areas have a pe...	08/24/2004
6725867	Process for producing smoking articles with reduced ignition proclivity characteristics and products made according to same A process for reducing the permeability of a paper wrapper used in the construction of a smoking article is disclosed. The paper wrapper is treated with a film-forming composition that forms treated discrete areas on the wrapper. The treated discrete areas have a pe...	04/27/2004
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
6584981	Cigarette paper containing carbon fibers for improved ash characteristics The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been unexpectedly discovered that th...	07/01/2003
6568403	Paper wrapper for reduction of cigarette burn rate A method of reducing the burn rate of a smoking article is provided. Specifically, the burn rate is reduced by incorporating into a paper wrapper of the smoking article a filler (e.g., precipitated calcium carbonate) having a median particle size greater ...	05/27/2003
6314964	Cigarette paper containing carbon fibers for improved ash characteristics The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been unexpectedly discovered that th...	11/13/2001
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
6298860	Process for improving the ash characteristics of a smoking article The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been discovered that the ash charact...	10/09/2001
5921249	High and low porosity wrapping papers for smoking articles A method for controlling the permeability of a wrapping paper for smoking articles is disclosed. Specifically, the permeability of the paper is varied by incorporating into the paper a filler material having a particular particle size. In one embodiment, ...	07/13/1999
5888348	Method for controlling the permeability of a paper The present invention is directed to a method for controlling and adjusting the permeability of a cigarette wrapping paper. Permeability is controlled in the paper by adding different sized filler particles in different proportionate amounts. Permeability...	03/30/1999
5878754	Smoking article wrapper for controlling ignition proclivity of a smoking article A smoking article wrapper having improved ignition proclivity characteristics includes discrete areas of an outer circumferential surface of the wrapper treated with a non-aqueous solution of a solvent soluble cellulosic polymer dissolved in a non-aqueous...	03/09/1999
5878753	Smoking article wrapper for controlling ignition proclivity of a smoking article without affecting smoking characteristics A smoking article wrapper has discrete areas of reduced permeability for improving ignition proclivity characteristics of a smoking article. The reduced permeability areas define a gradually decreasing permeability profile in a burning direction of the sm...	03/09/1999
5830318	High opacity tipping paper The present invention is directed to a tipping paper adapted for wrapping a filter of a smoking article. The tipping paper contains a pigment made from calcium carbonate particles having a median size of between about 0.1 microns to about 0.5 microns. The...	11/03/1998
5820998	Coated paper and process for making the same A process of making a coated paper comprises the following steps: 1) providing a paper layer composed of a blend of pulp fibers and particulate material containing polyvalent metal cations, 2) applying a acidified alginate solution of a material selected ...	10/13/1998
5732718	Selective filtration device Disclosed is a filter for tobacco smoke composed of at least one layer of a wet-formed absorbent fibrous nonwoven composite structure containing: 1) from about 30 to about 65 percent, by weight, of pulp fibers forming a matrix having a first exterior surf...	03/31/1998
5730840	Cigarette paper with improved ash characteristics The present invention is directed to a method for improving the ash characteristics of a paper wrapper for a smoking article and for improving the ash characteristics of the smoking article itself. Specifically, it has been unexpectedly discovered that th...	03/24/1998
5702555	Method of releasably securing the end of a roll of material A cleavable release structure composed of two release bases each having an outer surface and an inner surface; a release coating on the inner surface of each release base; a layer of a pressure sensitive adhesive adjacent the coating on the inner surface ...	12/30/1997
5538019	Spunbond cigarette filter A filter made from a nonwoven spunbond web comprising a plurality of continuous intertwined filaments, each filament having a diameter of about 25 to about 100 microns, predominantly present in the web as loop springs having diameters of about 1 to 3 mill...	07/23/1996

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Assignee: Schweitzer-Mauduit International, Inc.