Colored indicator to measure the distribution of the hydrocarbon families contained in a mixture, the procedure for obtaining it, and its uses
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United States of America Patent
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Sep 17, 2002
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N/A
app pub date -
Dec 16, 1999
filing date -
Dec 16, 1998
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Expired
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Abstract
Colored indicator for measuring the distribution of hydrocarbon families contained in a mixture, a procedure for obtaining it and its uses. In the colored indicator, the colorants that are able to be eluted with the family of aromatic hydrocarbons are free of organic compounds having an affinity with oxygenated compounds containing at least 6 carbon atoms.
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