Patents Represented by Attorney Richard D. Streu

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  • Purification of hydrochloric acid
    Patent number: 5330735
    Abstract: A process is described by which numerous waste or by-product aqueous hydrochloric acid streams can be purified by contacting the aqueous hydrochloric acid with a polystyrenic based resin to remove silicon containing impurities and thereby allowing the hydrochloric acid to be re-used for various applications.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: July 19, 1994
    Assignee: Dow Corning Corporation
    Inventors: Kirk A. Cronin, William A. Evanko, Alireza Malekadeli