Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-02-21
1976-06-01
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252421, 252445, 423579, C01B 1300
Patent
active
039607690
ABSTRACT:
Process for preparing carbon-containing molecular sieves adapted for separating small molecular gases, in particular oxygen, from nitrogen, which comprises treating coke having a content of volatile components of up to 5% at 600.degree. - 900.degree.C with a hydrocabon which splits off carbon whereby the split-off carbon is deposited in the carbon framework of the coke thereby narrowing the existing pores.
REFERENCES:
patent: 2761822 (1956-09-01), Addison
patent: 3222412 (1965-12-01), Mason et al.
patent: 3793224 (1974-02-01), Cooper
patent: 3801513 (1974-04-01), Munzner
Heimbach Heinrich
Juntgen Harald
Knoblauch Karl
Korbacher Werner
Munzner Heinrich
Bergwerksverband GmbH
Garvin Patrick P.
Striker Michael J.
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