Adhesive tape having one side coated with an adhesive, and no surface treatment on the opposite side
Patent 7294396 Issued on November 13, 2007. Estimated Expiration Date: 
July 27, 2021. 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.
July 27, 2021. 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 ReferencesAdhesive tapes Pressure sensitive adhesive tape containing natural rubber latex Adhesive tape particularly for packaging use Process for preparing a pressure-sensitive self-adhesive composition wherein tackifiers in dispersed, melted or solid form are mixed with natural rubber latex Patent #: 6777490 InventorsAssigneeApplicationNo. 10333874 filed on 07/27/2001US Classes:428/332, Physical dimension specified428/343, Adhesive outermost layer428/353, Including a primer layer428/354, Three or more layers428/356, Including metal or compound thereof or natural rubber428/494, Next to aldehyde or ketone condensation product or addition polymer from unsaturated monomers428/910, PRODUCT WITH MOLECULAR ORIENTATION428/40.6, Halogen containing compound156/338, Natural rubber containing525/55At least one solid polymer derived from ethylenic reactants onlyExaminersPrimary: Jackson, Monique R.Attorney, Agent or FirmForeign Patent References
International ClassesB32B 25/08B32B 7/12 AbstractA self-adhesive tape comprising an oriented polyolefin film, one side of which is coated with an adhesive layer formed from a mixture of 30-65 wt. % of a natural rubber latex and 35-70 wt. % of an aqueous dispersion of a hydrocarbon resin, and the opposite side of which has no surface treatment.Other References
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