RW

Ralf Wichmann

AN Agfa-Gevaert Nv: 7 patents #240 of 1,819Top 15%
AG Agfa Photo Gmbh: 2 patents #1 of 16Top 7%
AN Agfa Nv: 1 patents #146 of 331Top 45%
Overall (All Time): #469,746 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7160674 Photographic chemicals bundle 2007-01-09
7028719 Process for processing chemicals Hans-Dieter Danner, Detlef Ehrenberg, Wilfried Hehn, Stefan Huber, Bernd Zeier 2006-04-18
6951276 Pack for processing chemicals Hans-Dieter Danner, Detlef Ehrenberg, Wilfried Hehn, Stefan Huber, Bernd Zeier 2005-10-04
6824965 Bleach bath Thomas Hubsch, Thomas Stetzer 2004-11-30
6350563 Photographic black-and-white reversal first developer Ubbo Wernicke 2002-02-26
5716767 Bleaching bath for photographic black-&-white material Ubbo Wernicke 1998-02-10
5565138 Bleach Norman Klaunzer, Gustav Tappe, Eltjo Boelema 1996-10-15
5354649 Color photographic silver halide material Peter Bell, Jurgen Haekel, Cuong Ly, Reinhart Matejec 1994-10-11
5238791 Bleaching bath Gustav Tappe, Heinz Meckl 1993-08-24
5149618 Bleach fixing process Gustav Tappe, Heinz Meckl, Edgar Draber 1992-09-22
5009985 Iron complexes and bleaching baths containing same Friedrich-Wilhelm Kunitz 1991-04-23