| 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, 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 |
Ortwin Schaffer, Karl Stork, Norbert Greif, Knut Oppenlaender, Walter Denzinger +1 more |
1994-01-18 |
| 5124181 |
Copolymers based on long-chain unsaturated esters and ethylenically unsaturated carboxylic acids for making leather and furs water repellent |
Ortwin Schaffer, Karl Stork, Norbert Greif, Knut Oppenlaender, Walter Denzinger +1 more |
1992-06-23 |
| 4931062 |
Hydrophobization of leather, pelts and leather substitute materials with carboxyl-containing polysiloxanes |
Guenter Eckert, Wolfram Bergold |
1990-06-05 |
| 4701269 |
Waterproofing leather and skins |
Rudi Widder, Guenter Eckert |
1987-10-20 |