Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5286831 | At least substantially pore-free polyurethane molding compounds | Bernhard Hess, Klaus Prater, Joachim Franke, Hans-Dieter Jakob | 1994-02-15 |
| 5021536 | Storage stable resin reaction mixtures, and the preparation and use thereof | Hanns P. Muller | 1991-06-04 |
| 4812589 | Polyhydroxyl compounds containing a sulfonic acid ester group | Klaus Prater, Walter Uerdingen, Dieter Freitag | 1989-03-14 |
| 4788224 | Two stage process for the production of molded articles | Hanns P. Muller, Walter Uerdingen | 1988-11-29 |
| 4764581 | Liquid-crystalline diglycidyl compounds, the preparation of these, and the use of these in curable epoxide mixtures | Hanns P. Muller, Roland Gipp | 1988-08-16 |
| 4728676 | Thermosetting reactive resin mixtures and a process for the production of moldings using these mixtures | Hanns P. Muller, Dimitrios Kerimis, Walter Uerdingen | 1988-03-01 |
| 4694065 | Process for the production of duromeric aliphatic polycarbonates | Peter Mues, Hans-Josef Buysch, Bert Brassat | 1987-09-15 |
| 4690998 | Special epoxy resins | Bernd Wahle, Dieter Freitag, Walter Uerdingen, Manfred Blazejak | 1987-09-01 |
| 4689376 | Heat-hardenable epoxide resin mixtures | Dimitrios Kerimis, Hanns P. Muller, Walter Uerdingen | 1987-08-25 |
| 4676838 | Lamellar iron oxide pigments, a process for the production thereof and the use thereof | Gerhard Franz, Lothar Schonfelder | 1987-06-30 |
| 4617061 | Mixed phases having the composition Bi.sub.2-x Cr.sub.x O.sub.3 | Peter Kohler, Peter Ringe | 1986-10-14 |
| 4581441 | Mixtures of special cycloaliphatic 1,2-diepoxides and their use | Frank Kleiner, Rolf Kubens | 1986-04-08 |
| 4563220 | Production of bismuth oxide/chromium oxide mixed phase pigments | Peter Kohler | 1986-01-07 |
| 4529448 | Mixed phases having the composition Bi.sub.2-x Cr.sub.x O.sub.3 and a process for their production | Peter Kohler, Peter Ringe | 1985-07-16 |
| 4522388 | Arrangement for applying compressed air to underside of sheet on feed table of printing press | Georg Herzan, Fred Kunkel | 1985-06-11 |
| 4491619 | Thermostable iron oxide pigments | Hans-Peter Biermann, Peter Kohler | 1985-01-01 |
| 4450012 | Flocculation-resistant, mixed phase pigments having a rutile structure, process for their preparation, and their use | Dieter Messer, Volker Wilhelm, Robert Endres | 1984-05-22 |
| 4403064 | Thermosetting molding compositions, a process for their production and a process for the production of moldings using the molding compositions | — | 1983-09-06 |
| 4325739 | Magnetic metal and alloy pigments | Hans-Peter Biermann, Helmut Steinberger, Artur Botta, Rolf Naumann, Lutz Leitner | 1982-04-20 |
| 4311815 | Process for the production of moldings based on polyurethanes | — | 1982-01-19 |
| RE30760 | Process for the production of synthetic resins containing isocyanurate groups | Rolf Kubens | 1981-10-06 |
| 4252857 | Flameproofing substrate | Gerhard Winter, Hans-Dieter Block | 1981-02-24 |
| 4235862 | Production of low sulphur chromium (III) oxide | Wolfgang Rambold, Bruno Raederscheidt, Gerhard Trenczek | 1980-11-25 |