Smoking preparations
Patent 4397321 Issued on August 9, 1983. Estimated Expiration Date: 
August 24, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
August 24, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3664352 Tobacco based smoking material Decreasing the burn rate of smoking tobaccos Smokable material and its method of preparation Smokable products Modified cellulosic smoking material and method for its preparation Patent #: 4333484 InventorAssigneeApplicationNo. 06/295898 filed on 08/24/1981US Classes:131/334, By chemical reaction, e.g., ion-exchange, chelating, catalytic, etc.131/342, Including particulate material131/343, Plasticizer or adhesive coating131/352, Compositions, e.g., smoking or chewing mixture or medium131/359Tobacco substitute, i.e., nontobaccoExaminersPrimary: Millin, V.Attorney, Agent or FirmInternational ClassesA24D 3/00 (20060101)A24D 3/16 (20060101) AbstractThis invention provides tobacco and non-tobacco smoking compositions which deliver smoke of reduced tar and nicotine content, and with a substantially reduced carbon monoxide content.In one of its embodiments this invention provides smoking preparations which contain a combustible filler, and uniformly dispersed therein a catalyst composition consisting of (a) fine ash, and (b) a transition metal compound. | |
