| Patent Number |
Title Of Patent |
Date Issued |
| 6000539 |
Cigarette pack |
December 14, 1999 |
| Packaging for smoking articles such as cigarettes in a rigid, hinged-lidded carton includes a sealed barrier layer enclosure within the carton and a line of separation aligned with a lid-end edge of an inner frame of the carton so that the edge acts as a guide in shearing the barrier lay |
| 5664586 |
Tobacco smoke filters and filter rods therefor |
September 9, 1997 |
| The invention provides a cigarette filter (1) the biodegradation of the material (3) which is assisted by the incorporation of swellable means in the filter so that upon exposure to moisture the volume of the filter is increased, preferably to the extent of breaking open a filter wrap (2 |
| 5657772 |
Smoking article and filter therefor |
August 19, 1997 |
| A filter for a smoking article incorporating particles coated with platinum selectively reduces the amount of volatiles of mainstream smoking article smoke passing through the filter. The platinum may be a continuous or discontinuous coating, usually on a coating of another metal, and th |
| 5415189 |
Lightweight cigarette filter and cigarettes incorporating such filters |
May 16, 1995 |
| A lightweight cigarette filter including a filter element containing filter material having a total Denier of less than 35,000 or a bulk density of less than 0.12 gcm.sup.-3 in which part of the volume of the filter is occupied by a space filler impervious to smoke flow therethrough and |
| 5392793 |
Smoking article with means to raise temperature of smoke |
February 28, 1995 |
| A smoking article comprising tubular support means to carry a supply of smoking material therein and to provide first and second ends thereof, said first end being located for ignition and said second end being directed towards filter means attached to said tubular support, said filt |
| 5190061 |
Cigarette smoke filter |
March 2, 1993 |
| A novel cigarette smoke filter element is provided which achieves an increased removal of tar from cigarette smoke while retaining a higher flavor level than is achieved using conventional filter materials. The filter comprises an elongate cylinder of microfine fibers which is closed |
| 5080112 |
Controlled opening of fibrous materials |
January 14, 1992 |
| Fibrous materials are opened from a metered flow thereof using an opening roller and are subjected to a controlled and adjustable further opening operation to input desirable properties to the fibers. The invention is particularly described with respect to cut tobacco fibers and glass |
| 4967770 |
Cigarette making machine hopper |
November 6, 1990 |
| Degradation of tobacco brought about by refuser and recycle procedures in conventional cigarette-making machine operations is eliminated by feeding, metering and opening tobacco from a reservoir directly onto the external surface of a rotary or rectilinear transportation device which con |
| 4953570 |
Cigarette making machine hopper |
September 4, 1990 |
| Degradation of tobacco brought about by refuser and recycle procedure in conventional cigarette-making machine operations is eliminated by feeding, metering and opening tobacco from a reservoir directly onto the external surface of a rotary or rectilinear transportation device which conv |
| 4896681 |
Tobacco blend formation |
January 30, 1990 |
| A cigarette filler rod-forming method and apparatus therefor are described for production of a filler rod containing two different blends of tobacco, so as to provide to a cigarette formed from the filler rod more uniform smoking characteristics. Discrete bunches of tobacco of a first bl |
| 4867180 |
Cigarette making machine hopper |
September 19, 1989 |
| Degradation of tobacco brought about by refuser and recycle procedures in conventional cigarette-making machine operations is eliminated by feeding, metering and opening tobacco from a reservoir directly onto the external surface of a rotary or rectilinear transportation device which con |
