Patent 5721136 Issued on February 24, 1998. Estimated Expiration Date: February 24, 2015. 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.
435/287.2, Measuring or testing for antibody or nucleic acid, or measuring or testing using antibody or nucleic acid220/359.3, Multilayer220/526, Closure has means to engage compartment forming elements (e.g., forms seal between closure and compartment)428/66.3, End closure428/343, Adhesive outermost layer428/351, Including moisture or waterproof component428/447, As siloxane, silicone or silane435/288.1, Including a bottle, tube, flask, or jar435/288.4, Including multiple compartments (e.g., wells, etc.)435/305.3, Including cover seal435/305.4Including cover seal
A sheet of material seals vessels for biochemical reactions which undergo thermal cycling, and comprises a multilayer composite sheet which is placed over the openings of one or more reaction vessels. The multilayer composite sheet material has at least two layers, one layer providing strength and integrity to the material and the second layer being relatively thick comprising a deformable substance with a tacky surface to contact and seal vessels for biochemical reactions.