Chemistry of hydrocarbon compounds – Product blend – e.g. – composition – etc. – or blending process... – With nonhydrocarbon additive
Patent
1979-12-26
1981-03-10
Levine, Herbert
Chemistry of hydrocarbon compounds
Product blend, e.g., composition, etc., or blending process...
With nonhydrocarbon additive
203 6, 203 60, 208 48AA, B01D 334
Patent
active
042555981
ABSTRACT:
Xylenes can by merely being contacted with air over a period of time or during storage at temperatures upward from 60.degree. C. develop from 55 to 60 ppm of tolualdehyde. Such tolualdehyde formation can be suppressed by dissolving in the xylene a small amount of thiodipropionic acid or a di(alkyl)ester thereof.
REFERENCES:
patent: 2813912 (1957-11-01), Gwynn et al.
Elsdon Ronald
Stauffenberg Dennis L.
Ahlers Fred R.
Levine Herbert
Magidson William H.
McClain William T.
Schmitkons G. E.
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