Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6582537 | Method for producing cold-rolled bands or sheets | Bernhard Engl, Klaus-Dieter Schmidt | 2003-06-24 |
| 6391126 | Method for producing aging-resistant strip from an aluminum-killed steel | Bernhard Engl | 2002-05-21 |
| 5906690 | Method of producing cold-rolled, high-strength steel strip with good plasticity and isotropic properties | Bernhard Engl, Günter Stich | 1999-05-25 |
| 5852098 | short glass-fibre reinorced polycarbonates | Burkhard Kohler, Jan Mazanek, Karl-Heinz Kasler | 1998-12-22 |
| 5747589 | Process for the production of polycarbonate-polyisobutylene block cocondensates | Burkhard Kohler, Wolfgang Ebert, Richard Weider, Thomas Scholl | 1998-05-05 |
| 5717027 | Block copolycarbonates with polyisobutylene-.alpha.-haloketocarboxylic acid blocks | Richard Weider, Burkhard Kohler, Wolfgang Ebert, Thomas Scholl | 1998-02-10 |
| 5708369 | Capacitive measuring device | — | 1998-01-13 |
| 5693697 | Flame-resistant polycarbonate moulding-compositions | Richard Weider, Klaus Berg | 1997-12-02 |
| 5656684 | Silanes containing oxalamide functional groups and their use as plastics additives | Burkhard Kohler, Helmut-Martin Meier | 1997-08-12 |
| 5635560 | Mixtures of polycarbonate, phenolically hydroxyfunctional branched dimeric fatty acid polyesters and optionally graft polymer | Burkhard Kohler, Dieter Wittmann, Wolfgang Ebert, Horst Beicher, Werner Tischer | 1997-06-03 |
| 5633339 | Use of tertiary aliphatic monocarboxylic acids as chain terminators for the preparation of polycarbonates and of polyester carbonates | Burkhard K ohler, Wolfgang Ebert, Walter Sch afer, J urgen Kirsch, Rolf Dhein | 1997-05-27 |
| 5618890 | Allylphenol-terminated polycarbonates grafted with maleic anhydride, their use for the production of blends with polyamide and the corresponding blends | Burkhard K ohler | 1997-04-08 |
| 5576390 | Polyisobutylenes having aspartic acid ester terminal groups | Burkhard Kohler, Wolfgang Ebert, Richard Weider, Thomas Scholl | 1996-11-19 |
| 5560246 | Mass flow rate measuring device with dual electrodes | Stefan Bottinger, Horst Weigelt, Weiping Yang | 1996-10-01 |
| 5554716 | Use of hydrogenated abietic acid as a chain terminator for the production of polycarbonates and polyester carbonates | Burkhard K ohler, Wolfgang Ebert, Rolf Dhein | 1996-09-10 |
| 5548011 | Blends of polycarbonates, dimeric fatty acid polyesters and PIB rubbers, silicones or mineral oils | Burkhard Kohler, Wolfgang Ebert, Richard Weider, Thomas Scholl | 1996-08-20 |
| 5545692 | Polyesters of dimer fatty acid and dimer fatty diol and their use for the production of polyester carbonates | Burkhard Kohler, Heinz Pudleiner | 1996-08-13 |
| 5529887 | Water soluble fluoride-containing solution for removing cured photoresist and solder resist mask | Jurgen Lingnau, Klaus-Peter Martens | 1996-06-25 |
| 5525674 | Polycarbonates with aliphatic ketocarboxyl end groups, mixed with known aromatic polycarbonates, their preparation and their use | Wolfgang Ebert, Burkhard Kohler, Richard Weider, Thomas Scholl, Rolf Dhein +2 more | 1996-06-11 |
| 5484688 | Process for the patterned metallisation of structured printed circuit boards | Jurgen Lingnau, Gerald Schutze, Werner Hinter | 1996-01-16 |
| 5476893 | Use of nucleus-brominated phthalic acid anhydride for stabilizing thermoplastic polycarbonates against the effect of gamma-rays | Charles E. Lundy, Ulrich Grigo, Alexa Sommer, Klaus Sommer, Arno Becker | 1995-12-19 |
| 5407966 | Recyclable thermoplastic foam with a high glass transition temperature II | Wolfgang Ebert, Wolfgang Beer, Burkhard Kohler, Jurgen Kirsch, Rolf Dhein | 1995-04-18 |
| 5399600 | Stabilized, flame resistant polycarbonate moulding compounds | Hans-Josef Buysch, Gerd Fengler, Gerhard Fennhoff | 1995-03-21 |
| 5356965 | Flame-resistant polycarbonate molding compositions | Richard Weider, Thomas Scholl, Klaus Kircher | 1994-10-18 |
| 5351558 | Device for measuring bulk flow | Horst Weigelt, Stefan Bottinger | 1994-10-04 |