Catheter balloon formed of ePTFE and a diene polymer.U.S. Patent: 6,946,173 Issued: September 20, 2005 Inventory: Florencia Lira, Chi Le Long, Charles D. Claude, Jeong S. Lee, Srinivasan Sridharan, Fernando Gonzalez and Edwin Wang Assigned: Advanced Cardiovascular Systems Key statement: Expanded polytetrafluoroethylene (ePTFE) bonded to a second layer of a low tensile set silicone-polyurethane copolymer copolymer: see polymer. elastomer elastomer (ĭlăs`təmər), substance having to some extent the elastic properties of natural rubber. The term is sometimes used technically to distinguish synthetic rubbers and rubberlike plastics from natural rubber. or a diene Dienes are hydrocarbons which contain two double bonds. Dienes are intermediate between alkenes and polyenes. Classes Dienes can be divided into three classes:
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