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Dais Analytic Corporation Message Board

  • disconnected6060842 disconnected6060842 Aug 2, 2012 12:54 PM Flag

    Dais awarded new patent

    Dais did not put out a PR on it, but they were awarded a new patent on July 17.

    http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=8,222,346.PN.&OS=PN/8,222,346&RS=PN/8,222,346

    I'm not a chemist so I didn't attempt to grind through the entire document. Below is part of the text relating to applications of their invention --

    The sulfonated polymers of the present invention can be used in many applications. For example, the sulfonated polymer can be used in electrochemical applications, such as in Fuel Cells as an electrolyte; Water Electrolyzers as an electrolyte; Acid Electrolyte Battery Electrolyte Separators; Super-Capacitors Electrolytes; Separation Cell Electrolyte Barriers for Metal Recovery Processes; and the like. These applications are described in more detail in U.S. Pat. Nos. 5,468,574; 5,679,482; 5,677,074 and 6,110,616, to Dais Analytic Corporation.

    In another embodiment, the sulfonate copolymers of the present invention can be used as moisture transfer agents. These materials are useful in High Volume Air Conditioning (HVAC); Low Temperature Distillation Membranes for Desalination; Prevaporation (Industrial Gas Modification and Clean-up); Air Moisture Removal/Augmentation for Industrial Processes, Medical Applications, Building Environments (Permeable Wall Coatings), and Tents or Temporary Enclosures. These applications are described in more detail in U.S. Pat. Nos. 6,413,298, 6,383,391, 5,840,387 and 6,306,419; and published U.S. patent application Nos. 20030106680 and 20030118887 to Dais Analytic Corporation.

    The polymers of the present invention are useful in a wide variety of applications including, for example, molded and extruded goods such as toys, grips, handles, shoe soles, tubing, sporting goods, sealants, gaskets, and oil gels. The compositions also find use as rubber toughening agents for polyolefins, polyamides, polyesters and epoxy resins. Improved elasticity when compared with conventional styrenic block copolymers makes these copolymers particularly useful for adhesives, including both pressure-sensitive and hot-melt adhesives.

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