Issued Patents All Time
Showing 26–50 of 83 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4762905 | Aromatic thermoplastic polyphosphonatocarbonate | Manfred Schmidt, Dieter Freitag, Werner Nouvertne | 1988-08-09 |
| 4762910 | Process for the preparation of copolyamide from adipic acid, terephthalic acid and hexamethylene diamine | Werner Nielinger, Wolfgang Alewelt, Rudolf Binsack, Heinz-Josef Fullmann | 1988-08-09 |
| 4745176 | Catalytic process for preparing polycumylene from .alpha.-cumyl halide | Robert Becker, Johann Grolig, Helmut Waldmann | 1988-05-17 |
| 4743638 | Rapid crystallizing polyphenylene sulphide compositions | Peter Bier, Klaus Reinking, Erhard Tresper | 1988-05-10 |
| 4743674 | Aromatic polyesters, processes for their preparation, and their use for the preparation of molecularly reinforced polymers | Walter Heitz, Uwe Kampschulte, Dieter Freitag, Hans-Rudolf Dicke | 1988-05-10 |
| 4735977 | Rapidly crystallizing polyphenylene sulphide material containing sulfonic acid ester | Peter Bier, Klaus Reinking, Erhard Tresper | 1988-04-05 |
| 4728685 | Rapid-crystallizing polyphenylene sulphide compositions | Peter Bier, Klaus Reinking, Erhard Tresper | 1988-03-01 |
| 4719284 | Multistage process for the preparation of poly(tetramethylene-adipamide) | Werner Nielinger, Hermann Brinkmeyer, Rudolf Binsack, Heinz-Josef Fullmann | 1988-01-12 |
| 4701515 | Thermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy biphenyl and arylene dicarboxylic acid | Hans-Rudolf Dicke, Karlfried Wedemeyer, Klaus-Christian Paetz, Aziz El Sayed | 1987-10-20 |
| 4686262 | Thermoplastic block copolyesters, a process for the preparation thereof and their use for the production of mouldings | Rudolf Binsack, Karl-Heinz Köhler, Ulrich Grigo, Leo Morbitzer, Walter Heitz | 1987-08-11 |
| 4673728 | Process for the production of copolyamide from aromatic dicarboxylic acids, adipic acid and hexamethylene diamine | Werner Nielinger, Hermann Brinkmeyer, Rudolf Binsack, Heinz-Josef Fullmann | 1987-06-16 |
| 4668737 | Graft polymers having a mat surface | Herbert Eichenauer, Karl Zabrocki, Joachim D/o/ ring, Karl-Heinz Ott | 1987-05-26 |
| 4663424 | Aromatic polyester with dimethylmaleimide end groups | Wolfgang Stix | 1987-05-05 |
| 4652614 | Mat moulding materials | Herbert Eichenauer, Joachim Doring, Karl-Heinz Ott | 1987-03-24 |
| 4649168 | Process for the preparation of flame-resistant polycarbonate moulding compositions containing tetrafluoroethylene polymers | Hans-Jurgen Kress, Mark W. Witman, Klaus Kircher, Christian Lindner, Karl-Heinz Ott | 1987-03-10 |
| 4645822 | Polyamide stabilized against the effect of light with maleic imide carboxylic acid chloride chain terminator | Werner Nielinger, Wolfgang Stix | 1987-02-24 |
| 4645806 | Use of certain polyphenylene oxides for the production of aromatic block polyether-poly(ester) carbonates by the interfacial process | Dieter Freitag, Klaus G. Wilms, Peter Tacke | 1987-02-24 |
| 4617368 | Process for the production of colorless aromatic polyester and polyester carbonates | Dieter Freitag, Uwe Hucks | 1986-10-14 |
| 4612347 | Polymer mixtures with a mat surface | Herbert Eichenauer, Joachim Doring, Karl-Heinz Ott | 1986-09-16 |
| 4600753 | Two stage process for the production of aromatic polyester-carbonate | Dieter Freitag, Claus Wulff, Gerhard Henes, Peter Tacke | 1986-07-15 |
| 4600764 | Thermotropic aromatic polyesters with good rigidity and toughness, process for the production thereof and the use thereof for the production of mouldings, filaments fibres and films | Hans-Rudolf Dicke, Dieter Freitag, Aziz E. Sayed | 1986-07-15 |
| 4582893 | Aromatic polyesters which contain terminal or lateral radicals with two conjugated double bonds | Manfred Schmidt, Wolfgang Stix | 1986-04-15 |
| 4564669 | Thermotropic aromatic polyesters having a high tenacity and an improved melt viscosity, and mouldings, filaments, fibres and films thereof | Hans-Rudolf Dicke, Manfred Schmidt, Aziz El-Sayed, Ulrich Biskup, Dieter Freitag | 1986-01-14 |
| 4562274 | Process for the preparation and isolation of polyglycidyl compounds | Gebhard Rauleder, Helmut Waldmann, Hans-Joachim Traenckner, Wolfgang Gau | 1985-12-31 |
| 4560726 | Polymer alloys having a mat surface | Herbert Eichenauer, Joachim Doring, Karl-Heinz Ott | 1985-12-24 |