首页>
外国专利>
PROCESS FOR PURIFYING CRUDE 3,4 - DICARBOXY - 1,2,3,4 - TETRAHYDRO - 1 - NAPHTHALENE SUCCINIC DIANHYDRIDE COMPRISING RECRYSTALLIZING SAID DIANHYDRIDE FROM AN ACETONITRILE SOLUTION
PROCESS FOR PURIFYING CRUDE 3,4 - DICARBOXY - 1,2,3,4 - TETRAHYDRO - 1 - NAPHTHALENE SUCCINIC DIANHYDRIDE COMPRISING RECRYSTALLIZING SAID DIANHYDRIDE FROM AN ACETONITRILE SOLUTION