| 6033442 |
Use of aqueous solutions or dispersions of copolymers of carboxyl-group-containing monomers, ethylenically unsaturated acetals, ketals or orthocarboxylic acid esters and optionally other copolymerizable monomers as leather tanning agents |
Walter Denzinger, Axel Kistenmacher, Gerhard Wolf, Michael Kneip, Knut Oppenlander |
2000-03-07 |
| 6007801 |
Use of carboxyl-containing polysiloxanes in cosmetic formulations |
Peter Hossel, Michael Kneip |
1999-12-28 |
| 5798147 |
Process for coating and printing substrates |
Erich Beck, Frank Meyer, Ulrich Poth, Karl Siemensmeyer, Claudia Sierakowski +6 more |
1998-08-25 |
| 5527360 |
Fatliquoring, filling and hydrophobicizing leathers and furs |
Hermann Birkhofer, Peter Danisch, Knut Oppenlaender |
1996-06-18 |
| 5433752 |
Use of rection products of Homo- or copolymers based on monoethylenically unsaturated dicarboxylic anhydrides with amines or alcohols for fatliquoring and filling leather and fur skins |
Hermann Birkhofer, Peter Danisch, Walter Denzinger, Heinrich Hartmann, Knut Oppenlaender |
1995-07-18 |
| 5420207 |
Preparation of polyisobutylsuccinic anhydrides |
Knut Oppenlaender |
1995-05-30 |
| 5286263 |
Use of copolymers based on long-chain alkyl vinyl ethers and ethylenically unsaturated dicarboxylic anhydrides for rendering leathers and skins water-repellent |
Ortwin Schaffer, Herbert Bay, Karl Stork, 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 |
Ortwin Schaffer, Herbert Bay, Karl Stork, Knut Oppenlaender, Walter Denzinger +1 more |
1994-01-18 |
| 5266165 |
Paper sizing using copolymers of long-chain olefins and maleic anhydride in the form of the semiamides with morpholine |
Arnold DeClercq, Walter Denzinger, Heinrich Hartmann, Knut Oppenlaender, Ulrich Riebeling |
1993-11-30 |
| 5124181 |
Copolymers based on long-chain unsaturated esters and ethylenically unsaturated carboxylic acids for making leather and furs water repellent |
Ortwin Schaffer, Herbert Bay, Karl Stork, Knut Oppenlaender, Walter Denzinger +1 more |
1992-06-23 |
| 5009670 |
Fuels for gasoline engines |
Franz-Dieter Martischius, Hans-Henning Vogel, Knut Oppenlaender, Walter Denzinger, Heinrich Hartmann |
1991-04-23 |
| 4978780 |
Preparation of ether sulfonates and polyglycol ether sulfonates, and products prepared by this method |
Rolf Fikentscher, Knut Oppenlaender, Karl Stork |
1990-12-18 |
| 4959077 |
Fuels for gasoline engines |
Franz-Dieter Martischius, Hans Peter Rath, Hans-Henning Vogel, Knut Oppenlaender, Walter Denzinger +1 more |
1990-09-25 |
| 4767707 |
Immobilization of enzymes with a water-soluble glycidyl ether |
Stefan Marcinowski, Axel Sanner, Chung-Ji Tschang, Wolfgang Ladner |
1988-08-30 |
| 4734535 |
Preparation of aliphatic chlorine compounds |
Knut Oppenlaender |
1988-03-29 |
| 4496439 |
Acidic zinc-plating bath |
Knut Oppenlaender, Albert Hettche, Christos Vamvakaris |
1985-01-29 |
| 4375565 |
Low-foaming, biodegradable alkoxylation products terminated with glycerine ether radicals, and a process for their preparation |
Erhard Klahr, Wolfgang Trieselt |
1983-03-01 |
| 4239491 |
Dyeing and printing of textiles with disperse dyes |
Ulrich Baumgarte, Knut Oppenlaender, Harald Schlueter, Harro Petersen, Rainer Strickler |
1980-12-16 |
| 4229174 |
Dispersant for textile dyeing and optical brightening |
Paul Boerzel, Peter Freyberg, Rudi Widder |
1980-10-21 |
| 4200733 |
Iodine-containing block copolymers of 1,4-butylene oxide and ethylene oxide |
Johannes Perner, Rolf Fikentscher, Paul Diessel |
1980-04-29 |
