Wrapper for smoking articles and method
Patent 4420002 Issued on December 13, 1983. Estimated Expiration Date: 
April 7, 2002. 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.
April 7, 2002. 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 ReferencesWrapper for smoking articles containing magnesium oxide Patent #: 4231377 InventorAssigneeApplicationNo. 06/366313 filed on 04/07/1982US Classes:131/334, By chemical reaction, e.g., ion-exchange, chelating, catalytic, etc.131/335, By adding constituent to smoke stream131/365Wrapper or binderExaminersPrimary: Millin, J.Attorney, Agent or FirmInternational ClassesA24D 1/02 (20060101)A24D 1/00 (20060101) AbstractThere 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 oxide.This is also disclosed a method for reducing the visible sidestream smoke emanating from a smoking article and solidifying the ash by wrapping the tobacco charge in the smoking article in a combustible cellulosic sheet containing a filler of fine grain magnesium hydroxide having an average particle size less than 10 micrometers and unreactive magnesium oxide. | |
