GW

Gertrud Wick

Rohm Co.: 7 patents #427 of 2,292Top 20%
RF Roehm Gmbh Chemische Fabrik: 1 patents #68 of 134Top 55%
Overall (All Time): #586,429 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6689172 Auxiliary for liming and loosening hairs of animal skins Thomas Feigel, Peter Wohlmuth, Martin Heise 2004-02-10
5710040 Stable enzymatic aqueous liquid composition for the production of leather Juergen Christner 1998-01-20
5525509 Method for the enzymatic liming of skins and hides Juergen Christner, Tilman Taeger 1996-06-11
5508195 Method for liming hides and skins Juergen Christner, Tilman Taeger 1996-04-16
5505864 Tanning agent containing a dialdehyde Harald Bauer, Juergen Christner 1996-04-09
5492539 Method of preparing leather from unhaired hides Harald Bauer, Juergen Christner 1996-02-20
4968621 Method for the wet degreasing of hide and skin stock Ernst Pfleiderer, Tilman Taeger 1990-11-06
4961750 Acrylate tanning agent Juergen Christner, Ernst Pfleiderer, Tilman Taeger 1990-10-09
4636222 Enzymatic unhairing method Ernst Pfleiderer, Tilman Taeger 1987-01-13