Compositions comprising of blends of polymeric materials, including a cationic polymer having an intrinsic viscosity of from 8 to 17 dl/g and a cationic content of from 20 to 100% which may be used in the dewatering of thermophilic sludges.

 
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> Electro spinning of submicron diameter polymer filaments

> Silver salt photothermographic dry imaging material

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