1. 
   Sorbothane
   Sorbothane is the brand name of a synthetic viscoelastic urethane polymer used as a shock absorber and vibration damper. It is manufactured by Sorbothane, Inc., based in Kent, Ohio. Sorbothane was invented and patented in 1982 by Dr. Maurice Hiles. His research into the energy dissipation propertie...
   Found op http://en.wikipedia.org/wiki/Sorbothane
   
   
2. 
   Sorbothane
   An energy absorbing polyurethane utilized in some foot orthotics to absorb shock forces of the foot.
   Found op http://www.encyclo.co.uk/local/20906
   
   

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