Inventor
BESCHKE HELMUT
DE18 patents
Patents
18 patentsUS4447612AMay 8, 1984
Catalysts for the production of 3-cyanopyridine
DEGUSSA14 citations73
US4147874AApr 3, 1979
Process for the production of pyridine and 3-methyl pyridine
DEGUSSA7 citations73
US4447614AMay 8, 1984
Process for the purification of nicotinic acid amide
DEGUSSA7 citations72
US4314064AFeb 2, 1982
Process for the production of nicotinamide
DEGUSSA10 citations72
US3960766AJun 1, 1976
Catalyst for the production of pyridine and 3-methylpyridine
DEGUSSA9 citations71
US4419272ADec 6, 1983
Catalysts for the production of 2-cyanopyrazine
DEGUSSA5 citations69
US4332940AJun 1, 1982
Process for the production of 2,3-cycloalkenopyridines
DEGUSSA3 citations62
US4175195ANov 20, 1979
Process for the production of substituted pyridine (A)
DEGUSSA7 citations62
US4171444AOct 16, 1979
Process for the production of substituted pyridine (C)
DEGUSSA3 citations62
US4171445AOct 16, 1979
Process for the production of pyridine and 3-methyl pyridine
DEGUSSA3 citations62
US4163854AAug 7, 1979
Process for the production of 3-methyl pyridine
DEGUSSA3 citations62
US4149002AApr 10, 1979
Process for the production of 2-methyl pyridine and 3-methyl pyridine
DEGUSSA6 citations62
US4447615AMay 8, 1984
Process for the purification of nicotinic acid amide I
DEGUSSA5 citations61
US4139536AFeb 13, 1979
Process for the recovery of nicotinamide
DEGUSSA2 citations61
US3933813AJan 20, 1976
Process for the production of mercaptoethyl containing compounds
DEGUSSA6 citations59
US4169951AOct 2, 1979
Process for the production of substituted pyridine (b)
DEGUSSA3 citations53
US4237299ADec 2, 1980
Process for the recovery of pyridine and 3-methylpyridine
DEGUSSA0 citations51
US4496729AJan 29, 1985
Catalysts for the production of 2-cyanopyrazine
DEGUSSA0 citations49