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US 4,062,839 AGranted
Resolution of .alpha.-amino-e-caprolactam optical isomers
AssigneeAllied Chemical Corporation
InventorsStylianos Sifniades, William J. Boyle, Jr.
Life of this patent
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Abstract
A complex containing three moles of alpha-amino-e-caprolactam and one mol of magnesium chloride, as such or containing also one mol of ethanol or isopropanol. The complex is useful for resolution of the alpha-amino-e-caprolactam optical isomers, in supersaturated solution containing ethanol, isopropanol, or methanol by contacting such solution with crystals of the complex.
Claims5
A complex containing three mols of alpha-amino-e-caprolactam and one mol of magnesium chloride.
Dependencies are inferred from the claim text.