Tobacco composition
Patent 4216784 Issued on August 12, 1980. Estimated Expiration Date: 
October 17, 1997. 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.
October 17, 1997. 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 3474792 3572348 Tobacco composition Patent #: 4055191 InventorsAssigneeApplicationNo. 05/842830 filed on 10/17/1977US Classes:131/334, By chemical reaction, e.g., ion-exchange, chelating, catalytic, etc.131/352Compositions, e.g., smoking or chewing mixture or mediumExaminersPrimary: Millin, VincentAttorney, Agent or FirmInternational ClassesA24B 15/00 (20060101)A24B 15/28 (20060101) AbstractThe amount of polycyclic aromatic hydrocarbons in tobacco smoke is reduced and a substantially diminished biological activity of the tobacco smoke condensate is achieved by adding to the tobacco palladium, either in metallic or salt form, and an inorganic nitric oxide generating compound.Other References
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