Inventor
FLECKENSTEIN ERWIN
8 patents
⚠️ This page may combine multiple inventors who share the name “FLECKENSTEIN ERWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CASSELLA FARBWERKE MAINKUR AG
5 patentsUS4061642ADec 6, 1977
2,4,6-Trisubstituted-3-pyridine carboxamides
CASSELLA FARBWERKE MAINKUR AG38 citations92
US3980659ASep 14, 1976
Certain 6-amino-4-hydrocarbyl-nicotinamides
CASSELLA FARBWERKE MAINKUR AG16 citations73
US3954782AMay 4, 1976
2,6-Hydrazino-3-pyridine carboxyamides
CASSELLA FARBWERKE MAINKUR AG9 citations73
US3947463AMar 30, 1976
Certain 2-amino-nicotinonitrile derivatives
CASSELLA FARBWERKE MAINKUR AG8 citations73
US3946024AMar 23, 1976
2-Hydrocarbyloxy-pyridine compounds
CASSELLA FARBWERKE MAINKUR AG9 citations73