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US Patent 5699811 - Use of eitelite to reduce sidestream smoke
US Patent Issued on December 23, 1997
Estimated Patent Expiration Date:
August 8, 2016Estimated 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.
Estimated Patent Expiration Date:
August 8, 2016Estimated 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.AbstractMineral phase eitelite Na2 Mg(CO3)2 !, either alone or in combination with other filters, significantly reduces the amount of sidestream smoke produced by the burning smoking article while providing the smoking article with good ashing characteristics. | InventorApplicationNo. 689433 filed on 08/08/1996US Classes:131/365, Wrapper or binder131/360, Cigar or cigarette162/139Cigarette paperField of Search131/360, Cigar or cigarette131/365, Wrapper or binder162/139Cigarette paperExaminersPrimary: Millin, VincentAssistant: Raciti, Eric P. Attorney, Agent or FirmUS Patent References4433697, Wrapper for smoking articles and methodIssued on: 02/28/1984 Inventor: Cline , et al.5060674, Sidestream smoke reducing cigarette paper with improved physicals and improved sidestream odor/aroma Issued on: 10/29/1991 Inventor: Brown, et al.5121759, Wrapper for smoking article, smoking article, and method of making same Issued on: 06/16/1992 Inventor: Dixit, et al.5228463, Magnesite/magnesium hydroxide fillers for smoking article wrappers Issued on: 07/20/1993 Inventor: Fournier, et al.5253660Reduced sidestream smoke smoking article wrappers, methods of making such wrappers and smoking articles made from such wrappers Issued on: 10/19/1993 Inventor: Dixit, et al. International ClassA24D 001/02 |
