Issued Patents All Time
Showing 26–50 of 131 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5160436 | Asymmetric sandwich membrane system having reduced ascorbate interference | Karlheinz Hildenbrand, Herbert Hugl | 1992-11-03 |
| 5149761 | Aromatic ether imides | Knud Reuter, Dieter Freitag, Gunther Weymans | 1992-09-22 |
| 5143986 | Polymer mixtures of an aromatic polyether ketone and a thermoplastic polymer | Knud Reuter, Gunter Weymans, Erich Meier | 1992-09-01 |
| 5143956 | Free-flowing polyamide molding compounds | Harald Pielartzik, Hans-Detlef Heinz, Aziz E. Sayed | 1992-09-01 |
| 5144055 | Liquid crystalline bis-chlorocarbonic acid esters | Hanns P. Muller, Bernhard Jansen, Wolfgang Calaminus | 1992-09-01 |
| 5140066 | Poly (meth)acrylates with grafted-on polycarbonate chains, their production and use | Ralf Dujardin, Leo Morbitzer, Werner Nouvertne | 1992-08-18 |
| 5128400 | Polyamide molding compounds containing bisphenols of high glass temperature | Hans-Detlef Heinz, Aziz E. Sayed, Ralf Dujardin | 1992-07-07 |
| 5105004 | Aromatic ethers | Knud Reuter, Dieter Freitag, Gunther Weymans, Paul J. Mayska, Karsten-Josef Idel +2 more | 1992-04-14 |
| 5093457 | Production of polyamide imides | Wilfried Zecher, Aziz El-Sayed, Wilfried Haese | 1992-03-03 |
| 5089342 | Wood or wood product coated with an aqueous, air-drying coating agent | Thomas Scholl, Wolfgang Wellner, Lothar Backer | 1992-02-18 |
| 5086157 | Aromatic polyether sulphones based on dihydroxy-diphenyl-cyclo-alkanes and films therefrom | Knud Reuter, Dieter Freitag, Gunther Weymans, Erich Meier, Gerold Muller | 1992-02-04 |
| 5071923 | Surface-active copolymers and their use for the production of polyurethane powders | Tillmann Hassel, Hanns P. Muller, Hugo Vernaleken, Helmut Kipphardt | 1991-12-10 |
| 5061756 | Process for the preparation of polyurethane powders | Tillmann Hassel, Hanns P. Muller, Hugo Vernaleken, Helmut Kipphardt | 1991-10-29 |
| 5043403 | Polycarbonates containing mesogenic compounds as end groups, their preparation and their use | Ralf Dujardin, Harald Pielartzik | 1991-08-27 |
| 4994579 | Aromatic ether imides | Knud Reuter, Dieter Freitag, Gunther Weymans | 1991-02-19 |
| 4985508 | Process for the production of polyester-polyamide block polymers | Bernhard Mussig, Rolf-Volker Meyer, Bert Brassat | 1991-01-15 |
| 4980441 | Liquid crystalline bis-chlorocarbonic acid esters, a process for their preparation and liquid crystalline n-alkyl polyurethanes and polycarbonates prepared from them | Hanns P. Muller, Bernhard Jansen, Wolfgang Calaminus | 1990-12-25 |
| 4973652 | Process for the production of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with p containing catalyst and mixture of hydrocarbons | Wolfgang Ebert, Rolf-Volker Meyer, Udo Oels | 1990-11-27 |
| 4968430 | Composite membranes, processes for their preparation and their use | Karlheinz Hildenbrand, Willi Meister, Dittmar Nerger | 1990-11-06 |
| 4964890 | Aromatic polyether ketones | Knud Reuter, Dieter Freitag, Gunther Weymans, Erich Meier, Gerold Muller | 1990-10-23 |
| 4959452 | Alpha-amino-epsilon-caprolactam-modified polyamide preparation | Rolf-Volker Meyer, Martin Wandel, Harald Selbeck, Friedrich Fahnler, Hans-Detlef Heinz +1 more | 1990-09-25 |
| 4946927 | Preparation of aromatic polycarbonates, aromatic polyester carbonates and aromatic polyesters with organic phase comprising mixture of hydrocarbons | Wolfgang Ebert, Rolf-Volker Meyer, Udo Oels | 1990-08-07 |
| 4945137 | Binder combinations and a process for the production of flat materials | Walter Schafer, Hans Rudolph, Hanns P. Muller, Michael Sonntag, Christian Wamprecht +2 more | 1990-07-31 |
| 4927903 | Diphenol monoesters of carboxylic acids and process for their preparation | Manfred Schreckenberg, Hans Rudolph | 1990-05-22 |
| 4919514 | Optical fibres based on polycarbonate fibres, and a process for the production thereof | Wolfgang Ebert, Wilfried Haese, Roland Vogelsgesang | 1990-04-24 |