Phenolic antioxidants

Details Phenolic antioxidants Phenolic antioxidants

C - Chemistry, Metallurgy

07

C

260/616.3, 260/6

C07C 39/16 (2006.01)

Patent

CA 1188710

Abstract A process of purifying tris(1-hydroxy-3-methyl-6-tert. butyl phenyl) butane comprises crystallising it from an aromatic hydrocarbon having 6 to 9 carbon atoms to produce a product containing said hydrocarbon and removing at least part of the hydrocarbon from the product by washing it with a liquid consisting essentially of at least one water miscible alcohol and water.

432090

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