Inventor · disambiguated record
Gerhard Wiechers
Also filed as: WIECHERS GERHARD
10 granted patents·100 citations·filing 1993–2007
89Inventor score
Top patents by PatentIndex Score
10 records- 0181US7495136B2Process for the production of dinitrotolueneBAYER MATERIALSCIENCE AG·Filed 2007·Granted Feb 24, 2009·4 cites·12 claims
- 0280US5345012AProcess for the preparation of dinitrotolueneBAYER AG·Filed 1993·Granted Sep 6, 1994·20 cites·5 claims
- 0379US7511176B2Process for the preparation of toluenediamines by catalytic hydrogenation of dinitrotoluenesBAYER MATERIALSCIENCE AG·Filed 2007·Granted Mar 31, 2009·3 cites·5 claims
- 0469US5679873AProcess for the production of dinitrotolueneBAYER AG·Filed 1995·Granted Oct 21, 1997·13 cites·10 claims
- 0567US5395995AProcess for the preparation and purification of nitroaromaticsBAYER AG·Filed 1993·Granted Mar 7, 1995·10 cites·5 claims
- 0664US5616818AProcess for the polynitration of aromatic compoundsBAYER AG·Filed 1995·Granted Apr 1, 1997·27 cites·19 claims
- 0760US5696305AProcess for the production of nitroaromatic compoundsBAYER AG·Filed 1995·Granted Dec 9, 1997·8 cites·5 claims
- 0857US5689018AProcess for the production of dinitrotolueneBAYER AG·Filed 1995·Granted Nov 18, 1997·7 cites·4 claims
- 0949US6258986B1Process for the production of dinitrotolueneBAYER AG·Filed 1995·Granted Jul 10, 2001·5 cites·10 claims
- 1044US5663462AProcess for the production of dinitrotoluene and isomeric mixtures of dinitrotolueneBAYER AG·Filed 1996·Granted Sep 2, 1997·3 cites·8 claims
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