Preparation of dichlorophene
An improvement in a process for the preparation of dichlorophene by reacting p-chlorophenol with formaldehyde in the presence of sulfuric acid. The improvement lies in contacting p-chlorophenol with the stoichiometric excess of formaldehyde in aqueous sulfuric acid by introducing into a sulfuric aci...
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| Format: | Patent |
| Sprache: | eng |
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