Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1979-05-04
1981-05-05
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
208310Z, 585828, B01J 2908
Patent
active
042657881
ABSTRACT:
An adsorbent for separating para-xylene from C.sub.8 aromatic hydrocarbons, specifically a faujasite zeolite which contains potassium, zirconium and proton or ammonium as cation, process for separating para-xylene, and process for making the adsorbent.
REFERENCES:
patent: 3761533 (1973-09-01), Otani et al.
patent: 3793386 (1974-02-01), Davis
patent: 3795711 (1974-03-01), Worrell et al.
patent: 4069172 (1978-01-01), Kanaoka et al.
Ebitani Atsushi
Inoue Takehisa
Tsunoi Kazuo
Dees Carl F.
Toray Industries Inc.
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