Inventor · disambiguated record
Karl J. Herd
Also filed as: HERD KARL J · HERD KARL-JOEF
4 granted patents·14 citations·filing 1984–1992
70Inventor score
Technology areasC09B
Top patents by PatentIndex Score
4 records- 0157US4591634ATrisazo/azoxy dyestuff mixturesBAYER AG·Filed 1985·Granted May 27, 1986·5 cites·1 claims
- 0249US5359041APyridone dyestuffsBAYER AG·Filed 1992·Granted Oct 25, 1994·4 cites·5 claims
- 0347US4559296APhotographic recording material containing new azo dyesAGFA GEVAERT AG·Filed 1984·Granted Dec 17, 1985·3 cites·11 claims
- 0441US5587465A5-chloro-4-fluoropyrimidinyl substituted diazopyridoneBAYER AG·Filed 1990·Granted Dec 24, 1996·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →