RB

Ralf Buscher

AN Agfa-Gevaert Nv: 17 patents #87 of 1,819Top 5%
AN Agfa Nv: 1 patents #146 of 331Top 45%
Overall (All Time): #226,237 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6498001 Photographic silver halide emulsion Peter Bergthaller, Jorg Siegel, Hans-Ulrich Borst, Ulrich Nickel 2002-12-24
6379879 Color photographic silver halide material Jorg Hagemann, Gunter Helling, Heinz Wiesen, Ralf Wirowski 2002-04-30
6218097 Color photographic silver halide material Peter Bell, Lothar Rosenhahn, Heinz Wiesen, Ralf Wirowski 2001-04-17
6207283 Polymer Peter Bell, Gunter Helling, Beate Weber, Lothar Endres, Lothar Rosenhahn +3 more 2001-03-27
6093524 Color photographic film Rainer Scheerer, Lothar Endres, Hans-Ulrich Borst, Lydia Simon, Thomas Stetzer +2 more 2000-07-25
6087083 Color photographic material Peter Bell, Lothar Endres, Lothar Rosenhahn, Rainer Scheerer, Lydia Simon +1 more 2000-07-11
6083675 Color photographic recording material containing a non-diffusing, 2-equivalent coupler which, on coupling, forms a dye removable by rinsing Peter Bell, Hans-Ulrich Borst, Jorg Siegel 2000-07-04
6060227 Color negative film Peter Bell, Hans-Ulrich Borst, Lothar Rosenhahn, Jorg Siegel, Thomas Stetzer 2000-05-09
6040125 High-speed color photographic recording material having increased sensitivity in the blue spectral region Jorg Siegel, Hans-Ulrich Borst, Peter Bell, Heinz Reif, Jurgen Jung 2000-03-21
6033841 Colour photographic silver halide material Peter Bell, Hans-Ulrich Borst, Jorg Siegel, Rainer Scheerer, Heinz-Dieter Schutz 2000-03-07
6017689 Color photographic silver halide material Peter Bell, Lothar Endres, Lothar Rosenhahn, Rainer Scheerer, Lydia Simon +1 more 2000-01-25
5922524 Colour photographic recording material Peter Bell, Hans-Ulrich Borst, Jorg Siegel, Johannes Willsau, Heinrich Odenwalder 1999-07-13
5908741 Photographic silver halide material Peter Bergthaller, Hans-Ulrich Borst, Johannes Willsau, Peter Bell 1999-06-01
5856076 Color photographic recording material having elevated sensitivity and improved color reproduction Joerg Siegel, Hans-Ulrich Borst, Peter Bell, Johannes Willsau 1999-01-05
5853971 Color photographic silver halide material Peter Bell, Hans-Ulrich Borst, Johannes Willsau, Jorg Siegel 1998-12-29
5830628 Color photographic recording material Hans-Ulrich Borst, Detlef Brennecke, Johannes Willsau, Peter Bell 1998-11-03
5683863 Photographic silver halide material Peter Bergthaller, Hans-Ulrich Borst, Peter Bell, Johannes Willsau, Thomas Stetzer 1997-11-04
5679504 Color photographic silver halide material Peter Bell, Johannes Willsau, Hans-Ulrich Borst 1997-10-21
5667956 Silver halide recording material Michael Missfeldt, Johannes Willsau, Peter Bell, Hans-Ulrich Borst 1997-09-16
4963465 Color photographic negative recording material Reinhart Matejec, Hans Langen 1990-10-16