Magnesite composition filler for smoking article wrapper
October 19, 2010. 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 2673565 Wrapper for smoking articles containing magnesium oxide Wrapper for smoking articles and method Wrapper for smoking articles and method Wrapper for smoking articles and method Sidestream reducing cigarette paper Smoking article wrapper and method of making same Smoking article wrapper and method of making same Patent #: 4915118 Inventors
ApplicationNo. 600423 filed on 10/19/1990US Classes:131/365, Wrapper or binder162/139Cigarette paperExaminersPrimary: Millin, V.Attorney, Agent or FirmInternational ClassA24D 001/02AbstractAn improved smoking article wrapper which significantly reduces sidestream smike using magnesium carbonate in the form of magnesite as a filler. Smoking articles which employ the wrappers exhibit a significant reduction in sidestream smoke without adverse effect on subjective characteristics. | |
