Sughrue Mion, PLLC
Purification method of dihydroxybenzene
A purification method of dihydroxybenzene comprising the following steps, for obtaining purified dihydroxybenzene from crude dihydroxybenzene containing at least isopropenylphenol and hydroxyacetophenone as impurities: first extraction step, distillation step, second extraction step, and recovery step.
Sumitomo Chemical Company, Limited
C C C
C07C C07C C07C
inventional inventional inventional
Shigeru Mayumi Tomoyuki
Goto Nishimura Noritake