Method for isolating enriched source of conducting polymers precursors
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United States of America Patent
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Nov 4, 2003
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N/A
app pub date -
Apr 18, 2000
filing date -
Apr 18, 2000
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Abstract
An embodiment of the present invention is a method for isolating conducting polymer precursors by contacting a non-basic heterocyclic nitrogen containing hydrocarbon stream having a boiling point of from 232.degree. C. (450.degree. F.) to 566.degree. C. (1050.degree. F.) with an effective amount of a treating agent selected from the group consisting of alkylene and polyalkylene glycols and glycol ethers and mixtures thereof, having a molecular weight of less than 1000 and 1200, respectively, at conditions effective to maintain the reactants in a liquid phase to produce a first stream enriched in non-basic heterocyclic nitrogen containing hydrocarbon compounds and a second treated stream having a decreased non-basic heterocyclic nitrogen content. Optionally, an effective amount of a mineral acid may be added to the treating agent to enhance the process.
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