Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4789691 | Elastomers containing polyamide groups and polyurea groups in bonded form, as well as a process for the preparation of elastic, non-cellullar molded articles from these elastomers | Guenter Matzke, Hans U. Schmidt | 1988-12-06 |
| 4764537 | Internal mold release agents, their use for preparing molded articles using polyisocyanate-addition polymerization, and a process for preparing molded articles | Hans U. Schmidt | 1988-08-16 |
| 4714718 | Nylon moldings and their production | Edwin Baumann, Matthias Marx | 1987-12-22 |
| 4617225 | Sheet-like reinforced material | Edwin Baumann, Matthias Marx, Peter Gerarts | 1986-10-14 |
| 4598125 | Preparation of impact-resistant nylon molding materials by alkaline lactam polymerization | Hellmut Bunsch, Robert Gehm, Matthias Marx | 1986-07-01 |
| 4596835 | Reinforced cellular or noncellular polyurethane molded parts | Frank Werner, Rainer Blum, Martin Welz, Rolf Osterloh | 1986-06-24 |
| 4595705 | Process for the preparation of optionally cellular polyurethane polyurea molded parts | Frank Werner, Matthias Marx, Hans U. Schmidt | 1986-06-17 |
| 4590242 | Production of low-shrinkage nylon moldings | Hellmut Bunsch, Anton Hesse, Matthias Marx, Dietmar Nissen, Walter Heckmann | 1986-05-20 |
| 4581432 | Heat-curable compositions which are storage-stable at room temperature and are based on compounds having reactive hydrogen atoms and polyisocyanates | Rainer Blum, Frank Werner, Rolf Osterloh, Martin Welz | 1986-04-08 |
| 4560708 | Polyisocyanurate/polyurethane elastomers based on suspensions of crystalline polyesters and polyhydroxyl compounds | Anton Hesse, Walter Mann, Wolfram Frank, Matthias Marx, Walter Heckmann | 1985-12-24 |
| 4447561 | Stable water glass solutions, process for their preparation and use for organosilicate foams as well as a production process therefor | Robert Gehm, Matthias Marx, Artur Roeber | 1984-05-08 |
| 4435537 | Storage stable dispersions of aromatic polyesters in polyhydroxyl compounds and their preparation | Anton Hesse, Walter Heckmann, Ulrich Lebert, Alfred Guthmann, Matthias Marx | 1984-03-06 |
| 4367294 | Preparation of polyurethane foams modified with melamine-formaldehyde precondensates | Klaus Hahn, Matthias Marx, Heinz Weber, Wolfram Weiss, Rolf Wurmb | 1983-01-04 |
| 4302551 | Process for the preparation of cellular polymers having urethane groups, isocyanurate groups, or both | Anton Hesse, Peter Weyland, Wolfgang Straehle, Matthias Marx | 1981-11-24 |
| 4257950 | Continuous preparation of .epsilon.-caprolactam by Beckmann rearrangement | Otto-Alfred Grosskinsky, Richard Thoma, Hugo Fuchs | 1981-03-24 |
| 4248781 | Purification of crude caprolactam | Hugo Fuchs | 1981-02-03 |
| 4248782 | Preparation of .epsilon.-caprolactam by catalytic rearrangement of cyclohexanone-oxime | Hugo Fuchs, Uwe Brand | 1981-02-03 |