Inventor
HETZEL ECKHARD
DE8 patents
Patents
8 patentsUS4289589ASep 15, 1981
Separating toluene diisocyanate and/or higher boiling solvents from distillation residues of the toluene diisocyanate manufacture using a fluidized bed
BASF AG21 citations78
US4237318ADec 2, 1980
Manufacture of aqueous methanolic solution of sodium formate
BASF AG7 citations72
US4122285AOct 24, 1978
Manufacture of butenediol diacetate
BASF AG7 citations72
US4795571AJan 3, 1989
Purification of frozen crystal layers
BASF AG12 citations71
US4328339AMay 4, 1982
Continuous preparation of isatoic anhydride
BASF AG9 citations71
US4378240AMar 29, 1983
Preparation of acicular ferromagnetic metal particles consisting essentially of iron
BASF AG9 citations69
US4079068AMar 14, 1978
Manufacture of tetrahydrofuran from the diacetate of 1,4-butanediol
BASF AG2 citations61
US4001273AJan 4, 1977
Continuous manufacture of phthalimide
BASF AG4 citations55