GW

Gerhard Wiechers

BH Bayer Healthcare: 5 patents #51 of 933Top 6%
📍 Leverkusen, DE: #6 of 136 inventorsTop 5%
Overall (1997): #4,548 of 185,788Top 3%
5
Patents 1997

Issued Patents 1997

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5696305 Process for the production of nitroaromatic compounds Uwe Klingler, Thomas Schieb, Jurgen Zimmermann 1997-12-09
5689018 Process for the production of dinitrotoluene Uwe Klingler, Thomas Schieb, Jurgen Zimmermann 1997-11-18
5679873 Process for the production of dinitrotoluene Uwe Klingler, Thomas Schieb, Jurgen Zimmermann 1997-10-21
5663462 Process for the production of dinitrotoluene and isomeric mixtures of dinitrotoluene Uwe Klingler, Thomas Schieb 1997-09-02
5616818 Process for the polynitration of aromatic compounds Hans-Georg Pirkl, Reinhard Schom acker, Uwe Klingler, Thomas Schieb, J urgen Zimmermann 1997-04-01