Monday Nov. 11 2013
We have successfully gained 9 utility model patents, including “MEDA multistage transportation pump”, “N-methylaniline (NMA) superheater contact system”, “Benzophenone (BP) photochemical reactor leakproof structure”, “Benzophenone(BP) hydrolysis kettle stirring apparatus”, “Submerged pump for diphenyl carbonate ( DPC) oil furnace”, “Reaction trap”, “Carbon oxide ( CO) vacuum pump” and “A fluidized bed for o-Toluidine reduction“, ”A shell-and tube heat exchanger for phenyl chloroformate (PCF)“. Besides, we have obtained 2 invention patents, of which are “Alkali-free technology for methyl centralite production” and ”Nonsolvent method for diphenyl carbonate (DPC) production“.