| 5789557 |
Reactive azo dyes with a coupler of the aminonaphthalene series |
Jurgen Dornhagen, Heike Kilburg, Manfred Patsch, Hermann Loffler |
1998-08-04 |
| 5510468 |
Amino benzophenone dye |
Gunther Lamm, Helmut Reichelt |
1996-04-23 |
| 5380859 |
Pyridone compounds and the preparation of disulfonated pyridone compounds |
Gunther Lamm, Helmut Beichelt |
1995-01-10 |
| 5372609 |
Self-tanning, pretanning and assist tanning of pelts and skin pelts and retanning of leather and skin |
Juergen Weiser, Wolfgang Reuther, Hermann Birkhofer, Karl Stork |
1994-12-13 |
| 5342916 |
Condensation polymers of sulfonated phenols, urea, other organic nitrogen-bases, and formaldehyde, and their use as tanning agents and as spraying aids for redispersible polymer powders |
Juergen Weiser, Wolfgang Reuther, Karl Stork, Gernot Franzmann, Thomas Schwerzel +3 more |
1994-08-30 |
| 5320647 |
Fluent polyazo dye preparations and method of dying leather or wool therewith |
Georg Henning, Georg Zeidler |
1994-06-14 |
| 5286263 |
Use of copolymers based on long-chain alkyl vinyl ethers and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellent |
Herbert Bay, Karl Stork, Norbert Greif, Knut Oppenlaender, Walter Denzinger +1 more |
1994-02-15 |
| 5279613 |
Copolymers based on long-chain olefins and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellent |
Herbert Bay, Karl Stork, Norbert Greif, Knut Oppenlaender, Walter Denzinger +1 more |
1994-01-18 |
| 5224963 |
Quaternized condensation products for aftertreating dyed leather |
Johannes P. Dix, Rolf Fikentscher, Rolf Streicher |
1993-07-06 |
| 5155164 |
Products of the condensation of phenolmonosulfonic acids, dihydroxydiphenyl sulfones, urea and formaldehyde |
Hermann Graf, Adolf Stuebinger, Klaus Lorenz, Karl Stork |
1992-10-13 |
| 5124181 |
Copolymers based on long-chain unsaturated esters and ethylenically unsaturated carboxylic acids for making leather and furs water repellent |
Herbert Bay, Karl Stork, Norbert Greif, Knut Oppenlaender, Walter Denzinger +1 more |
1992-06-23 |
| 5104979 |
Polyazo dyes with diazo components of the aminophenol and the amino diphenyl-sulfide, -sulfoxide or -sulfone series |
Guenter Hansen, Georg Zeidler |
1992-04-14 |
| 4983185 |
Dyeing of leather with pigments |
Rolf Streicher, Horst Belde, Paul Guenthert |
1991-01-08 |
| 4936864 |
Condensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants, their preparation and use in the tanning of leather |
Rolf Fikentscher, Dietrich Lach, Rolf Streicher, Alfred Oftring |
1990-06-26 |
| 4888412 |
Tanning assistant |
Klaus Ebel, Wolfgang Reuther, Rolf Fikentscher, Dietrich Lach, Rolf Streicher |
1989-12-19 |
| 4801693 |
Substituted sulfobenzene and triazine-containing reactive dyes |
Manfred Patsch |
1989-01-31 |
| 4729768 |
Deliming of hides and use of cyclic esters of sulfurous acid as deliming agents |
Kurt Schneider, Dietrich Lach, Rolf Streicher |
1988-03-08 |
| 4677199 |
Reactive dyes containing substituted 4-fluoropyridaz-6-one radicals |
Dietmar Augart, Heinz Eilingsfeld, Heinz-Wolfgang Krueger, Hartmut Lardon, Guenther Seybold |
1987-06-30 |
| 4351640 |
Dye powder formulation |
Manfred Herrmann |
1982-09-28 |
