Inventor
HERD KARL J
DE11 patents
⚠️ This page may combine multiple inventors who share the name “HERD KARL J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAYER AG
10 patentsUS4577015AMar 18, 1986
Triphendioxazine vinyl sulphone dyestuffs
BAYER AG22 citations82
US4665179AMay 12, 1987
Triphendioxazine dyestuffs
BAYER AG17 citations73
US5093484AMar 3, 1992
Polazo reactive dyestuffs
BAYER AG16 citations72
US4638054AJan 20, 1987
Aminonaphthol bisazo reactive dyes
BAYER AG11 citations71
US5126481AJun 30, 1992
β-phenoxyethylamines and their use for the preparation of dyestuffs
BAYER AG2 citations62
US5041629AAug 20, 1991
Beta-phenoxyethylamines and their use for the preparation of dyestuffs
BAYER AG2 citations62
US4659827AApr 21, 1987
Process for producing 2,4,5,6-tetrachloropyrimidine by way of 5,6-dichloro-2,4-dihydroxypyrimidine which was produced from the corresponding 5,6-dichloro-2,4-di(trihalomethyl)-pyrimidine and a process for producing 2,4-dihydroxypyrimidine derivatives
BAYER AG3 citations62
US4591634AMay 27, 1986
Trisazo/azoxy dyestuff mixtures
BAYER AG5 citations61
US5587465ADec 24, 1996
5-chloro-4-fluoropyrimidinyl substituted diazopyridone
BAYER AG2 citations60
US5091515AFeb 25, 1992
Process for the preparation of substituted 2,4-diamino-6-fluoro-s-triazines
BAYER AG2 citations60