Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4764570 | Sulphonamide derivatives and their preparation and use | Peter Dorries | 1988-08-16 |
| 4535031 | Modified aminoplast, its preparation and its use | Peter Dorries, Thomas Gotze, Manfred Schon, Gunther Wulff, Karl Hintermeier | 1985-08-13 |
| 4507440 | Cross-linkable and cross linked macromolecular compositions wherein cross-linking is by structural bridges of the formula --NR.sup.x --CH.dbd.N--CO-- and their preparation | Friedrich Engelhardt, Juliane Balzer, Jeffery C. Dawson | 1985-03-26 |
| 4499232 | Water soluble, crosslinkable polymer compositions, their preparation and use | Friedrich Engelhardt, Juliane Balzar, Jeffery C. Dawson | 1985-02-12 |
| 4451620 | Diethanolamine salt of sulphamic acid as a curing accelerator for aminoplast resins | Peter Dorries | 1984-05-29 |
| 4430380 | Bonded structures of textile materials | Hans Honel, Walter Michel, Karin Schluter, Manfred Seidel, Wolfgang Spieler | 1984-02-07 |
| 4430494 | Melamine resins, a process for their preparation and their use and molding compositions produced from the resins | Hans Honel, Walter Michel, Karin Schluter, Alfons Wolf | 1984-02-07 |
| RE31366 | Melamine resin, process for its manufacture and its use for the manufacture of coated wood-based materials and laminates | Peter Dorries, Alfons Wolf | 1983-08-30 |
| 4378446 | Acrylate-modified melamine resin which is stable on storage, its preparation and its use | Wilhelm Adam, Curt A. Wagner, Renate Konrad, Friedrich Engelhardt, Ulrich Riegel +1 more | 1983-03-29 |
| 4360459 | Sulphur dyestuffs of the carbazole series | Wolf Weidemuller | 1982-11-23 |
| 4328326 | Melamine resins: process for their manufacture and the compression moulding compositions produced from the melamine resins | Alfons Wolf | 1982-05-04 |
| 4320060 | Process for the preparation of derivatives of 3-(4-hydroxy-anilino)carbazole | Friedrich Engelhardt, Herbert Wille, Wolf Weidemuller, Artur Meyer | 1982-03-16 |
| 4303561 | Melamine resins: process for their manufacture and the compression moulding compositions produced from the melamine resins | Alfons Wolf | 1981-12-01 |
| 4273669 | Latent curing agent for thermosetting aminoplast resins, its manufacture and its use | Peter Dorries, Ewald Schmidt, Richard Hensel | 1981-06-16 |
| 4258043 | Pyrazino-carbazoles, process for the production thereof and pharmaceutical agents | Heinz Bender, Rudi Beyerle, Piero Martorana | 1981-03-24 |
| 4250282 | Melamine resin, process for its manufacture and its use for the manufacture of coated wood-based materials and laminates | Peter Dorries, Alfons Wolf | 1981-02-10 |
| 4185017 | N-substituted .epsilon.-caprolactams | Herbert Wille | 1980-01-22 |