Cigarette and paper wrapper therefor
Patent 5060675 Issued on October 29, 1991. Estimated Expiration Date: 
February 6, 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.
February 6, 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 3106210 3511247 3526904 3586005 3699973 3705588 Thermoplastic cigarette wrapper Cigarettes Smoking article High porosity carbon coated cigarette papers InventorsAssigneeApplicationNo. 475635 filed on 02/06/1990US Classes:131/365Wrapper or binderExaminersPrimary: Millin, V.International ClassA24D 001/02AbstractCigarettes which yield low levels of visible sidestream smoke upon use employ a paper wrapping material having about 30 weight percent calcium carbonate and about 70 weight percent flax. The paper wrapper includes a coating or a film of polymeric material and an organic filler material. A preferred polymeric material is nitrocellulose, and a preferred inorganic filler material of the coating is particulate magnesium hydroxide. The coating weighs about 0.05 to about 0.5 pound per 3,000 square feet of wrapping material.Field of SearchWrapper or binder | |
