Inventor · disambiguated record
Carl-Wolfgang Schellhammer
Also filed as: SCHELLHAMMER CARL WOLFGANG · SCHROEDER JOSEF
15 granted patents·102 citations·filing 1969–1982
91Inventor score
Files withBAYER AG15
Top patents by PatentIndex Score
15 records- 0185US4274062ADyestuff laserBAYER AG·Filed 1978·Granted Jun 16, 1981·29 cites·6 claims
- 0284US4326066ATriazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffsBAYER AG·Filed 1980·Granted Apr 20, 1982·24 cites·2 claims
- 0376US4069228ACoumarins containing sulphonylamino groupsBAYER AG·Filed 1976·Granted Jan 17, 1978·8 cites·7 claims
- 0473US4284787AProcess for the preparation of 1,2,3-triazoles substituted in the 2-positionBAYER AG·Filed 1979·Granted Aug 18, 1981·8 cites·4 claims
- 0568US4071466AOptical brightenersBAYER AG·Filed 1976·Granted Jan 31, 1978·6 cites·2 claims
- 0665US4183853A1-[p-(2-Trialkylammonium)propylsulfonylphenyl]-3-(phenyl)-pyrazoline saltsBAYER AG·Filed 1978·Granted Jan 15, 1980·5 cites·1 claims
- 0762US4080379ASulphonamidosalicylaldehydesBAYER AG·Filed 1976·Granted Mar 21, 1978·4 cites·3 claims
- 0854US4271293ABenzofuranyl-benzimidazolesBAYER AG·Filed 1979·Granted Jun 2, 1981·3 cites·3 claims
- 0947US4144243A3-Pyrozolyl-4-triazolyl compoundsBAYER AG·Filed 1974·Granted Mar 13, 1979·2 cites·2 claims
- 1043US4263435A6-[2-Hydroxy-4-(1,2,3-triazol-2-yl)-phenyl]-2,4-dioxo-1,3,5-trimethyl-hexahydro-s-triazines and their preparationBAYER AG·Filed 1979·Granted Apr 21, 1981·1 cites·4 claims
- 1141US4526705ALight-collecting systems and the use of coumarin derivatives as energy converters in themBAYER AG·Filed 1982·Granted Jul 2, 1985·8 cites·18 claims
- 1238US4005098ATriazolyl-coumarinsBAYER AG·Filed 1969·Granted Jan 25, 1977·4 cites·8 claims
- 1334US4252720APyrazoline compoundsBAYER AG·Filed 1978·Granted Feb 24, 1981·0 cites·2 claims
- 1432US4447651A1,4-Bis-(4-chloro-2-methoxystyryl)-benzeneBAYER AG·Filed 1982·Granted May 8, 1984·0 cites·1 claims
- 1530US4229579A3-(Halopyrazolyl)-7-triazolyl-coumarin compoundsBAYER AG·Filed 1978·Granted Oct 21, 1980·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →