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Patent applications and USPTO patent grants for Girrbach; Ulrich.The latest application filed is for "process for the selective absorption of chlorine and/or bromine from co.sub. -containing off-gases with the aid of steam".
Patent | Date |
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Process for the selective absorption of chlorine and/or bromine from CO.sub. -containing off-gases with the aid of steam Grant 5,124,135 - Girrbach , et al. June 23, 1 | 1992-06-23 |
Process for the separation and recovery of naphthalene-sulfonic acids from aqueous solutions Grant 5,028,736 - Girrbach , et al. July 2, 1 | 1991-07-02 |
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