Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6517654 | Process for the production of fiber-reinforced semi-finished articles made of thermoplastics of medium to high viscosity | Horst Heckel, Bruno Wagner, Joachim Heydweiller | 2003-02-11 |
| 5948518 | Electrically conductive shaped articles | Andreas Lucke, Bernhard Pfeiffer | 1999-09-07 |
| 5741384 | Process for making glass fiber-reinforced composite material | Bernhard Pfeiffer, Anne Texier, Horst Heckel, Joachim Heydweiller | 1998-04-21 |
| 5725710 | Production of fiber-reinforced composites by pultrusion with thermoplastic powder pretreatment | Bernhard Pfeiffer, Horst Heckel, Anne Texier, Joachim Heydweiller | 1998-03-10 |
| 5700556 | Granules of fiber-reinforced thermoplastic | Horst Heckel, Bruno Wagner, Joachim Heydweiller | 1997-12-23 |
| 5692922 | Molding with electrical contact | Bernhard Pfeiffer | 1997-12-02 |
| 5679424 | Injection molding of thermoplastic material including from 2 to 8% by weight of glass fibers | Horst Heckel, Karin Mehmke | 1997-10-21 |
| 5660770 | Recycling a fiber-reinforced thermoplastic | Michael Wernicke | 1997-08-26 |
| 5571356 | Thermoformable, fiber-reinforced composite material, process for its production and use | Ludger Czyborra, Horst Heckel, Karin Mehmke | 1996-11-05 |
| 4952313 | Apparatus for carrying out membrane separation processes | — | 1990-08-28 |
| 4891135 | Macroporous, asymmetric, hydrophilic polyaramide membrane | Michael Haubs, Friedrich Herold, Claus-Peter Krieg | 1990-01-02 |
| 4457810 | 4,4'-Diphenyl ether-dialdehyde-bis-dimethylacetal and a process for its preparation | — | 1984-07-03 |
| 4413149 | Process for the catalytic hydrogenolysis of p-substituted benzaldehyde-dimethylacetals to produce the corresponding benzyl methyl ether derivatives | Hartmut Fischer | 1983-11-01 |
| 4405816 | 4,4'-Diphenyl ether-dialdehyde-bis-dimethylacetal | — | 1983-09-20 |
| 4248957 | Acid degradable radiation-sensitive mixture | Jurgen Sander, Gerhard Buhr, Gerhard Lohaus | 1981-02-03 |