Issued Patents All Time
Showing 26–35 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4772329 | Aqueous dispersions based on cellulose nitrates, a process for their production and their use as quick-hardening coatings | Erhard Luhmann, Klaus Szablikowski | 1988-09-20 |
| 4764548 | Tile adhesive based on water-dilutable, cellulose-containing pastes | Erhard Luhmann, Frank Hohl, Eugen Reinhardt | 1988-08-16 |
| 4731121 | Viscous cellulose-containing mixture (paste) and use thereof in the production of aqueous coating dispersions | Erhard Luhmann, Klaus Szablikowski, Hans-Joachim Traenckner | 1988-03-15 |
| 4714723 | Adhesive solutions, more especially for water-activatable adhesive coatings on wallpapers | Eugen Reinhardt | 1987-12-22 |
| 4659387 | Nitrocellulose moistened with tertiary alcohols and the use thereof in polyurethane lacquers | Erhard Luhmann | 1987-04-21 |
| 4590019 | Processes for the production of free-flowing nitrocellulose | Erhard Luhmann, Klaus Szablikowski | 1986-05-20 |
| 4517324 | Viscous cellulose-containing mixture (paste) and a process for the production of aqueous coating emulsions therefrom | Erhard Luhmann, Klaus Szablikowski, Friedrich-Karl Lampert | 1985-05-14 |
| 4357437 | Process for the production of water-soluble hydrolyzed products of polyacrylonitrile polymers | Helmut Huhn, Werner Karstens | 1982-11-02 |
| 4330441 | Solvent-soluble substances characterized in that water-soluble cellulose ethers are chemically bonded to water-soluble, at least predominately synthetic polymers containing acrylic units | Branislaw Bohmer, Klaus Szablikowski, Dieter Kudora, Rudolf Behn | 1982-05-18 |
| 4267059 | Auxiliary for improving retention, dewatering and working up, particularly in the manufacture of paper | Rudolf Behn, Branislav Bohmer | 1981-05-12 |