Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate
Patent
1980-10-06
1982-03-02
Schain, Howard E.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From phenol, phenol ether, or inorganic phenolate
528137, 528140, 528145, 528165, 528485, 528488, 528489, 528490, C08G 810
Patent
active
043179010
ABSTRACT:
A method for the production of a powdery, free-flowing phenol/formaldehyde resin is disclosed wherein a polyvalent cationic precipitant is added to the resin emulsion produced, the precipitate is filtered, washed with water and dried.
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Formica Corporation
Schain Howard E.
Van Riet Frank M.
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