Smoking rod wrapper and compositions for their production
Patent 4889145 Issued on December 26, 1989. Estimated Expiration Date: 
April 25, 2008. 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 25, 2008. 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 2992647 3511247 3526904 3699973 3911932 InventorsAssigneeApplicationNo. 187449 filed on 04/25/1988US Classes:131/365Wrapper or binderExaminersPrimary: Millin, V.Attorney, Agent or FirmForeign Patent References
International ClassA24D 001/02Foreign Application Priority Data1986-08-27 GBAbstractA wrapper for a smoking rod comprises a permeable substrate carrying a discontinuous coating of a porosity-reducing composition such that, in the coated area, the porosity of the wrapper is less than two thirds of the porosity of the uncoated substrate. | |
