Inventor · disambiguated record
Bernhard Spreckelmeyer
Also filed as: SPRECKELMEYER BERNHARD
7 granted patents·49 citations·filing 1975–1996
83Inventor score
Files withBAYER AG7
Top patents by PatentIndex Score
7 records- 0163US4010245AProduction of hydrogen fluoride and calcium sulfateBAYER AG·Filed 1975·Granted Mar 1, 1977·14 cites·8 claims
- 0259US5250274AProcess for the production of sodium dichromateBAYER AG·Filed 1992·Granted Oct 5, 1993·14 cites·3 claims
- 0352US4078047AProduction of hydrofluoric acid from phosphate-containing fluorsparBAYER AG·Filed 1976·Granted Mar 7, 1978·8 cites·2 claims
- 0443US5068015AElectrochemical process for the production of chromic acidBAYER AG·Filed 1989·Granted Nov 26, 1991·5 cites·10 claims
- 0536US5667759AMethod for manufacturing alkali chromates from chromium oreBAYER AG·Filed 1996·Granted Sep 16, 1997·4 cites·1 claims
- 0634US4150102APurifying hydrofluoric acidBAYER AG·Filed 1978·Granted Apr 17, 1979·4 cites·3 claims
- 0728US5505918AMethod for manufacturing alkali chromates from chromium oreBAYER AG·Filed 1994·Granted Apr 9, 1996·0 cites·9 claims
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