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| Number | Title | Issue Date |
| 4480650 | Coated self-extinguished cigarette Cigarette coating comprises a fireproof coating made from clay or ceramic applied on the inside of the cigarette paper divided in sections to prevent glowing tobacco from penetrating to the outside but allows air circulation through cracks created when he... | 11/06/1984 |
| 4461311 | Method and smoking article wrapper for reducing sidestream smoke Sheet material especially useful in forming wrappers for smokable articles such as cigarettes that results in reduced sidestream smoke. The sheet is formed by applying to a cellulosic web an amount of an alkali metal salt greatly in excess of the amounts ... | 07/24/1984 |
| 4453553 | Treatment of cigarette paper One version of a fire resistant cigarette comprises a charge of tobacco in a low-porosity wrapper substantially free of burn accelerator. The sidestream smoke from this cigarette can be reduced by treating the wrapper with water or ethyl alcohol. Fire res... | 06/12/1984 |
| 4452257 | Treatment for natural leaf tobacco wrapper A treatment system for natural leaf tobacco wrapper is provided for comprising in combination: (a) a humectant/plasticizer component; (b) a preservative component; (c) a solvent carrier selected from the group comprising water and water/alcohol mixtures; and (... | 06/05/1984 |
| 4452259 | Smoking articles having a reduced free burn time This invention relates to smoking articles having reduced free burn time, including cigarettes, cigars and little cigars. The smoking article comprises tobacco wrapped in a paper having at least one circumferential band printed between the ends of the smo... | 06/05/1984 |
| 4450847 | Wrapper for smoking articles and method A wrapper for smoking articles such as cigarettes, cigars and the like containing precipitated amorphous magnesium hydroxide gel. Other components of the filler for the wrapper can be either an unreactive grade of magnesium oxide or calcium carbonate. For... | 05/29/1984 |
| 4433697 | Wrapper for smoking articles and method A wrapper is provided for smoking articles such as cigarettes, cigars and the like having incorporated therein at least 1% by weight of certain ceramic fibers in the paper furnish in combination magnesium oxide and/or magnesium hydroxide fillers, whereby ... | 02/28/1984 |
| 4420002 | Wrapper for smoking articles and method There is disclosed a wrapper for smoking articles such as cigarettes, cigars and the like comprising a cellulosic sheet containing a filler of fine grain magnesium hydroxide having an average particle size less than 10 micrometers and unreactive magnesium... | 12/13/1983 |
| 4407308 | Smoking articles A smoking article such as a cigarette has a rod of smoking material wrapped in a wrapper of which the substantially uniform air permeability due to viscous flow is not more than 3 and preferably not more than 2 Coresta Units and of which the Do/t value is... | 10/04/1983 |
| 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 |
| 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 |
| 4330002 | Method of producing cheroots and similar tobacco articles and an apparatus for carrying out this method In the production of cheroots and similar tobacco articles with a wrapper made from natural tobacco relieved of central rib portions but containing portions of side ribs, the said ribs are flattened solely in the end flap of the wrapper.... | 05/18/1982 |
| 4323082 | Apparatus for making holes in webs of wrapping material for cigarettes or the like Apparatus for making holes in a running web of wrapping material in a filter tipping machine has a housing which defines an elongated passage for the running web and contains rows of first and second electrodes which are disposed at the opposite sides of ... | 04/06/1982 |
| 4320773 | Method and apparatus for treating wrapping material for cigarettes or the like A running web of wrapping material which is about to be converted into adhesive-coated uniting bands for joining plain cigarettes with filter plugs in filter tipping machines is transported through the passage of a housing wherein the web travels through ... | 03/23/1982 |
| 4319592 | Process for the layout of wrappers for cigars in a half-leaf of tobacco A process for the layout of wrappers for cigars in a half-leaf of tobacco, of the type in which the layout plan of the wrappers is set up by disposing them one by one on the half-leaf taking into account the real contour of said leaf and its possible blem... | 03/16/1982 |
| 4238283 | Post-treatment of humic acid-dyed paper Humic acid-dyed paper suitable for use as wrappers for smoking articles is post treated with magnesium sulfate to fix or render the humic acid insoluble. Paper treated in this manner provides a product of acceptable brown color. Smoking articles wrapped i... | 12/09/1980 |
| 4236532 | Smoking rod wrapper A wrapper for a smoking rod has screen printed on its surface a series of dots containing a volatile additive which is transferred into the main stream smoke when the smoking rod is smoked.... | 12/02/1980 |
| 4233994 | Wrapping process for cigars with natural tobacco The object of the invention is a wrapping process for cigars with natural tobacco through stamping of a wrapping surface with a pre-manufactured tobacco core and total wrapping of said tobacco core by said surface, a process in which before the stamping o... | 11/18/1980 |
| 4231377 | Wrapper for smoking articles containing magnesium oxide A wrapper for smoking articles such as cigarettes, cigars and the like containing at least 15% by weight magnesium oxide or its hydrate and at least 0.5% by weight of a specific chemical adjuvant such as the alkali metal acetates, carbonates, citrates, ni... | 11/04/1980 |
| 4225636 | High porosity carbon coated cigarette papers A method for producing high porosity, high carbon content cigarette papers in which a paper substrate having an initial Filtrona porosity of at least 10,000 air permeability units is coated with an aqueous suspension containing from 10 to 50% by weight fi... | 09/30/1980 |
| 4192324 | Process for constituting a large surface of natural tobacco, in particular for making cigar wrappers A process for constituting a large surface of natural tobacco, in particular for making cigar wrappers comprising the steps of: (a) stripping the biggest rib of natural tobacco leaves; (b) dividing each leaf into two half-leaves; (c) arranging the half-leaves in a ... | 03/11/1980 |
| 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 |
| 4146041 | Brown cigarette wrappers The present invention relates to brown cigarette paper having reduced gas phase constituents during pyrolysis wherein the paper which has been stained with humic acid or salts thereof is further treated by washing with water in an amount effective to redu... | 03/27/1979 |
| 4114629 | Cigarette rolling paper with integral pouch A cigarette rolling paper is provided with an integral pouch on one portion of the paper for receiving tobacco and for retaining and holding the tobacco therein while the rolling paper is rolled in a substantially cylindrical shape around the pouch to for... | 09/19/1978 |
| 4033358 | Integral cigarette paper holder element Cigarette paper with an integral support for holding a cigarette that has been consumed in substantial part, comprising a deformable wire incorporated longitudinally along the length of the paper containing the smoking medium, the wire being exposed for m... | 07/05/1977 |
