CA85(4):22579c in German Offen. DE 2,535,818 Apr. 1, 1976 Butadiene is separated from other C.sub.4 olefins by selective adsorption on zeolites (page unavailable). |
CA78(17):110837w in German Offen. DE 2,236,996 Feb. 15, 9173 Olefins are removed from aromatic hydrocarbons by contact with Fitrol 24 clay at 110.degree.-115.degree. C (page unavailable). |
Engelhard Exceptional Technologies-EC-5958-Grade F24 Absorbent Products-Product Bulletin (page unavailabe) (year unavailable). |
Englehard Exceptional Technologies-EC-5959-Grade F25 Absorbent Products-Product Bulletin (page unavailable) (year unavailable). |
Englehard Exceptional Technologies-Grade F34 Absorbent Products-Product Bulletin (page unavailable) (year unavailable). |
Englehard Exceptional Technologies-Grade F54 Adsorbent Products-Product Bulletin (page unavailable) (year unavailable). |
Englehard Exceptional Technologies-EC-5982-Grade F124 Absorbent Prodcts-Product Bulletin (page unavailable) (year unavailable). |
Catalysts of Sud-Chemie AG-Product Bulletin (page & year unavailable). |