Show MINERALS separation WINS washington dec 11 in a decision regarded as of much importance in the mining world the supreme court upheld a patent for the flotation concentrating process of the minerals separation limited a british corporation extensively used in many countries an infringement injunction was ordered or dered against james M hyde a butte mining engineer the british process is used under license in in many mining districts and is said to have earned more than its opponents contended it was not and merely an adaptation of former discoveries |